Assistant Professor Melvyn Zhang Weibin (MBBS (Singapore), DCP (Ireland), MRCPsych (United Kingdom), FAMS (Singapore). Affiliations: Assistant Professor, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore & National Addictions Management Service, Institute of Mental Health, Singapore.Assistant Professor Melvyn Zhang currently work as Assistant Professor and Consultant Psychiatry at the Lee Kong Chian School of Medicine, Nanyang Technological University and the National Addictions Management Service, Institute of Mental Health, Singapore. Assistant Professor Melvyn Zhang graduated with his basic medical degree from the National University of Singapore in 2011. He obtained his Diploma in Clinical Psychiatry from the Royal of Physicians and Surgeons, Ireland in 2014. He obtained his membership with the Royal College of Psychiatrists in 2014. In 2016, he completed his residency training in psychiatry in Singapore, and joined the National Addictions Management Service at the Institute of Mental Health. In 2016, he also obtained his fellowship with the Academy of Medicine, Singapore. His clinical interests are in the treatment of individuals with addictive disorders, and his special interest is in treating adolescent with Internet gaming disorder. Assistant Professor Melvyn Zhang has published over 120 papers in peer reviewed papers (H-index 37). In 2017, he successfully obtained the Ministry of Health (Singapore)’s Research Training Fellowship and the National Healthcare Group (NHG) Clinician Scientist Fellowship to pursue his PhD. He is also currently serving on the editorial boards of the British Journal of Psychiatry (BJPsych), Journal of Internet Medical Research (JMIR) Mental Health and Technology and Healthcare. He is also very involved in medical education and has been teaching medical students from the National University of Singapore and the Lee Kong Chian School of Medicine, Nanyang Technological University.Assistant Professor Cyrus Ho Su Hui (MBBS (S’pore), Dip (Cl Psy) (RCP&S, Ire), MRCPsych (UK), Grad Dip Acupuncture (S’pore), MSc (Research) (S’pore), MSc (Applied Neuroscience) (UK), PhD (S’pore), FAMS (Psy) (S’pore), IFAPA (USA)).Assistant Professor Cyrus Ho is a general adult and consultation liaison psychiatrist managing psychiatric conditions across the age continuum from adolescence to old age, with special interest interfacing between medicine and psychiatry, complex mood disorders, and neuropsychiatry. After graduating with a Bachelor of Medicine and Bachelor of Surgery (MBBS) from the National University of Singapore (NUS), Dr Ho obtained a Diploma in Clinical Psychiatry from Ireland. He was conferred memberships to the Royal College of Psychiatrists from the United Kingdom and College of Psychiatrists of Ireland. He is a Fellow of the Singapore Academy of Medicine, and he received the International Fellowship to the American Psychiatric Association. With a keen interest in neuroscience, he earned a Master of Science in Research from NUS for his research work on neuroimaging in depressed and chronic pain patients. He was further awarded Distinction in the Master of Science in Applied Neuroscience from King’s College London. His PhD dissertation was on integrating multimodal biomarkers to aid the diagnosis and treatment of major depressive disorder. Under the MOH Health Manpower Development Plan (HMDP) award, he underwent further training in neuropsychiatry with Montreal Neurological Hospital in Canada and Royal Melbourne Neuropsychiatry Unit in Australia. Being an avid researcher, Dr Ho has extensively published more than 300 academic papers in international peer-reviewed journals, including The Lancet, Annals of Internal Medicine, Autoimmunity Reviews, EBioMedicine and, Brain, Behavior and Immunity. He frequently delivers presentations in international psychiatry conferences, including notable ones such as the American Psychiatric Association (APA) Annual Meeting and the European Congress of Psychiatry. Dr Ho is a passionate educator involved in teaching both students and residents alike. He currently serves as the NUS Psychiatry Undergraduate Education Director. His dedication in education is exemplified by various teaching awards, such as the Dean’s Award for Teaching Excellence in 2015, 2016, 2018, 2020, and 2021, and Junior Doctor Teaching Award in 2015. He co-authored four postgraduate guidebooks for residents published by Taylor and Francis, and an undergraduate textbook titled "Mastering Psychiatry", which is a popular reference book used by local medical students.Professor Roger Ho: MBBS (Hong Kong), MD (Hong Kong), DPM (Ireland), GDip in Psychotherapy (S’pore), MMed (Psych) (S’pore), FRCPsych (UK), DCP (Ireland), FRCP (Canada), FRCP (Edinburgh), FAMS (Psych)Professor Ho currently works as Professor and Senior Consultant Psychiatrist at the Department of Psychological Medicine, National University of Singapore (NUS) and National University Hospital (NUH). He is the Research Director coordinating research studies for the department. He is also the Principal Investigator and Director of the functional near infrared spectroscopy (fNIRS) lab at the Institute for Health Innovation and Technology (iHealthtech, NUS). Professor Ho joined the Department of Psychological Medicine, NUH in July 2002 as a medical officer. Professor Ho did his Psychiatry residency and fellowship training at the Department of Psychological Medicine, NUH and rose through the academic and clinical ranks in NUS and NUH. Professor Ho obtained his basic medical degree (MBBS) from the University of Hong Kong. He received the Master of Medicine (MMED) in Psychiatry from the National University of Singapore. He received his higher research degree, Doctor of Medicine by research (MD) from the University of Hong Kong. He is a Fellow of the Royal College of Psychiatrists (UK). Royal College of Physicians (Canada), Royal College of Physicians (Edinburgh) and Academy of Medicine (Singapore). Professor Ho has clinical and research interests in applying functional near infrared spectroscopy (fNIRS) in diagnosing psychiatric disorders including attention deficit and hyperactivity disorder (ADHD), borderline personality disorder, major depressive disorder and dementia. He conducted research to improve the accuracy of psychiatric diagnosis by machine learning. He has translated his research findings into clinical implementations at NUS iHealthtech. Prof Ho is involved in multiple research endeavours, which primarily aim to study the interface between psychiatry and medicine. His earlier research involves elucidating psychiatric symptoms associated with medical disorders include systemic lupus erythematosus, diabetes and eczema as well as medical complications of depression and buprenorphine misuse. His research extended to the laboratory and studied of effects of antidepressants on the immune system in animals. During the COVID-19 pandemic, he conducted global mental health research to study the psychological impact of the pandemic in different countries. Professor Ho has published over 500 papers in peer reviewed journals (H-index > 77). In 2021, he was identified by Clarivate Analytics (Web of Science) as one of the Most Highly Cited and Influential Researchers in the world. Prof Ho is extensively involved in medical education. He disseminated psychiatric knowledge through publications of academic books with global influence. An example is the co-authorship and publication of a postgraduate textbook, Revision Notes in Psychiatry (3rd edition), CRC Press and this book has been one of the most commonly used reference texts since 1998 by psychiatric trainees in Commonwealth countries. Professor Ho has received numerous awards throughout his academic career including the NUS Annal Teaching Excellence Award in 2012 and Special Recognition Award (2016 – 2020). He has supervised many medical students through the Undergraduate Research Opportunity programme (UROP) and be main/co-supervisor for more than 20 MSc/PhD candidates. He is a regular PhD Qualifying Examination and oral defence examiner for other departments and faculties at NUS.Professor Basant K. Puri: MA, PhD, MB, BChir, MSc, MMath, FRCPsych, FRMS, FRSB.Professor Puri is based at C.A.R., Cambridge and the University of Winchester, UK. He has authored or co-authored several books, including Drugs in Psychiatry, Textbook of Psychiatry and Clinical Neuropsychiatry and Neuroscience Fundamentals.

• Preface. Author biographies. General adult psychiatry. Obsessive-compulsive disorder. Psychosis. Outpatient MSE review. Mania with psychotic symptoms. Hypomania. Delirium tremens. Anxiety disorders (panic disorder with agoraphobia). Anxiety disorders (social phobia). Mental state examination (home leave). Depression with psychotic features. Depression with psychotic features. Delusion of love/erotomania. Adult ADHD. Panic disorder. Hyperprolactinemia explanation. Explain clozapine treatment. Explain lithium augmentation. Explain electroconvulsive therapy. Explain schizophrenia. Explain psychosocial interventions for schizophrenia. Explain bipolar affective disorder. Lithium usage during pregnancy. Treatment-resistant depression. Obsessive-compulsive disorder (history taking). Obsessive-compulsive disorder (patient management). Post-traumatic stress disorder. MMSE. Frontal lobe assessment. Suicide risk assessment (history taking). Suicide risk assessment (patient management). Grief reaction. Body dysmorphic disorder. Sleep disorders—insomnia. Capacity assessment (informed consent for procedure). Capacity assessment for social care needs. Breaking bad news. Explain neuroleptic malignant syndrome. Urine drug test. Dealing with angry relatives— clozapine case. Geriatric psychiatry. Geriatric psychosis. Old-age psychosis (patient management). Behavioural and psychological symptoms in dementia (history taking). Behavioural and psychological symptoms in dementia (patient management/ explanation). Genetics in Alzheimer’s dementia—counselling. History taking—dementia. Anti-dementia drugs. Lewy body dementia (history taking). Lewy body dementia (patient management). Fronto-temporal dementia (history taking). Cognitive assessment. Mild cognitive impairment (patient management). Delirium (patient management). Elderly mania (history taking). Elderly mania (patient management). Child psychiatry. ADHD history taking. ADHD (patient management). Conduct disorder (history taking). Autism (history taking). Early-onset psychosis (history taking). Early-onset psychosis (patient management). Childhood sexual abuse (patient management). Bullying and overdose. Enuresis. Elective mutism. Learning disabilities. Learning disability with challenging behaviour (history taking). Dementia in Down’s syndrome (history taking). Depression in learning disability. Temporal lobe epilepsy. Learning disability—sterilization. Learning disability—abuse. Addictions and substance misuse. Alcohol dependence (history taking). Alcohol dependence—discussion (patient management). Effects of alcohol on mood (history taking). Social and legal implications of alcohol (history taking). Opioid dependence (history taking). Substance misuse in pregnancy (history taking). Substance misuse in pregnancy (patient management). Psychotherapies. Psychotherapy—cognitive behavioural therapy. Psychotherapy—cognitive errors (history taking). Psychotherapy—cognitive errors (patient management). Agoraphobia—systematic desensitization. OCD—exposure and response prevention. Panic disorder and hyperventilation (patient management). Interpersonal therapy (patient management). Termination of therapy and transference reaction. Defence mechanisms. Eating disorders. Eating disorders (prognostic factors). Eating disorders (history taking). Eating disorders (patient management). Bulimia nervosa (history taking and prognostic factors). Re-feeding syndrome and use of Mental Health Act (patient management). Re-feeding syndrome (patient management). Personality disorder. Borderline personality disorder (history taking). Women’s mental health and perinatal psychiatry. Postnatal depression (history taking). Postnatal psychosis (history taking). Postnatal psychosis (patient management). Consultation-liaison psychiatry. Delirium tremens (discussion with consultant). Conversion disorder (history taking). Conversion disorder (discussion of management plans). Health anxiety disorder (history taking). Health anxiety disorder (management). Somatoform pain disorder (history taking). Traumatic brain injury (history taking). Post–myocardial infarction depression (history taking). Post–myocardial infarction depression (patient management). Antidepressant-induced sexual dysfunction (history taking). Forensic psychiatry. Assault in ward (paired station A). Assault in ward (patient management). Fire-setting behaviour—assessment. Morbid jealousy (history taking). Morbid jealousy (patient management). Erotomania and stalking behaviour (history taking). Erotomania and stalking (patient management). Violence risk assessment (MSE evaluation). Violence risk assessment (discussion and management). Sexual offence assessment. Fitness to plead assessment. Exhibitionism (history taking). Exhibitionism (patient management). Examination for extrapyramidal side effects. Examination of the thyroid gland. Neurological examination—upper limbs. Neurological examination—lower limbs. Neurological examination— examination of cranial nerves. Examination of the cardiovascular system. Examination of the cerebellar system. Fundoscopy. Reading ECG.

Assistant Professor Melvyn Zhang Weibin (MBBS (Singapore), DCP (Ireland), MRCPsych (United Kingdom), FAMS (Singapore). Affiliations: Assistant Professor, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore & National Addictions Management Service, Institute of Mental Health, Singapore.Assistant Professor Melvyn Zhang currently work as Assistant Professor and Consultant Psychiatry at the Lee Kong Chian School of Medicine, Nanyang Technological University and the National Addictions Management Service, Institute of Mental Health, Singapore. Assistant Professor Melvyn Zhang graduated with his basic medical degree from the National University of Singapore in 2011. He obtained his Diploma in Clinical Psychiatry from the Royal of Physicians and Surgeons, Ireland in 2014. He obtained his membership with the Royal College of Psychiatrists in 2014. In 2016, he completed his residency training in psychiatry in Singapore, and joined the National Addictions Management Service at the Institute of Mental Health. In 2016, he also obtained his fellowship with the Academy of Medicine, Singapore. His clinical interests are in the treatment of individuals with addictive disorders, and his special interest is in treating adolescent with Internet gaming disorder. Assistant Professor Melvyn Zhang has published over 120 papers in peer reviewed papers (H-index 37). In 2017, he successfully obtained the Ministry of Health (Singapore)’s Research Training Fellowship and the National Healthcare Group (NHG) Clinician Scientist Fellowship to pursue his PhD. He is also currently serving on the editorial boards of the British Journal of Psychiatry (BJPsych), Journal of Internet Medical Research (JMIR) Mental Health and Technology and Healthcare. He is also very involved in medical education and has been teaching medical students from the National University of Singapore and the Lee Kong Chian School of Medicine, Nanyang Technological University.Assistant Professor Cyrus Ho Su Hui (MBBS (S’pore), Dip (Cl Psy) (RCP&S, Ire), MRCPsych (UK), Grad Dip Acupuncture (S’pore), MSc (Research) (S’pore), MSc (Applied Neuroscience) (UK), PhD (S’pore), FAMS (Psy) (S’pore), IFAPA (USA)).Assistant Professor Cyrus Ho is a general adult and consultation liaison psychiatrist managing psychiatric conditions across the age continuum from adolescence to old age, with special interest interfacing between medicine and psychiatry, complex mood disorders, and neuropsychiatry. After graduating with a Bachelor of Medicine and Bachelor of Surgery (MBBS) from the National University of Singapore (NUS), Dr Ho obtained a Diploma in Clinical Psychiatry from Ireland. He was conferred memberships to the Royal College of Psychiatrists from the United Kingdom and College of Psychiatrists of Ireland. He is a Fellow of the Singapore Academy of Medicine, and he received the International Fellowship to the American Psychiatric Association. With a keen interest in neuroscience, he earned a Master of Science in Research from NUS for his research work on neuroimaging in depressed and chronic pain patients. He was further awarded Distinction in the Master of Science in Applied Neuroscience from King’s College London. His PhD dissertation was on integrating multimodal biomarkers to aid the diagnosis and treatment of major depressive disorder. Under the MOH Health Manpower Development Plan (HMDP) award, he underwent further training in neuropsychiatry with Montreal Neurological Hospital in Canada and Royal Melbourne Neuropsychiatry Unit in Australia. Being an avid researcher, Dr Ho has extensively published more than 300 academic papers in international peer-reviewed journals, including The Lancet, Annals of Internal Medicine, Autoimmunity Reviews, EBioMedicine and, Brain, Behavior and Immunity. He frequently delivers presentations in international psychiatry conferences, including notable ones such as the American Psychiatric Association (APA) Annual Meeting and the European Congress of Psychiatry. Dr Ho is a passionate educator involved in teaching both students and residents alike. He currently serves as the NUS Psychiatry Undergraduate Education Director. His dedication in education is exemplified by various teaching awards, such as the Dean’s Award for Teaching Excellence in 2015, 2016, 2018, 2020, and 2021, and Junior Doctor Teaching Award in 2015. He co-authored four postgraduate guidebooks for residents published by Taylor and Francis, and an undergraduate textbook titled "Mastering Psychiatry", which is a popular reference book used by local medical students.Professor Roger Ho: MBBS (Hong Kong), MD (Hong Kong), DPM (Ireland), GDip in Psychotherapy (S’pore), MMed (Psych) (S’pore), FRCPsych (UK), DCP (Ireland), FRCP (Canada), FRCP (Edinburgh), FAMS (Psych)Professor Ho currently works as Professor and Senior Consultant Psychiatrist at the Department of Psychological Medicine, National University of Singapore (NUS) and National University Hospital (NUH). He is the Research Director coordinating research studies for the department. He is also the Principal Investigator and Director of the functional near infrared spectroscopy (fNIRS) lab at the Institute for Health Innovation and Technology (iHealthtech, NUS). Professor Ho joined the Department of Psychological Medicine, NUH in July 2002 as a medical officer. Professor Ho did his Psychiatry residency and fellowship training at the Department of Psychological Medicine, NUH and rose through the academic and clinical ranks in NUS and NUH. Professor Ho obtained his basic medical degree (MBBS) from the University of Hong Kong. He received the Master of Medicine (MMED) in Psychiatry from the National University of Singapore. He received his higher research degree, Doctor of Medicine by research (MD) from the University of Hong Kong. He is a Fellow of the Royal College of Psychiatrists (UK). Royal College of Physicians (Canada), Royal College of Physicians (Edinburgh) and Academy of Medicine (Singapore). Professor Ho has clinical and research interests in applying functional near infrared spectroscopy (fNIRS) in diagnosing psychiatric disorders including attention deficit and hyperactivity disorder (ADHD), borderline personality disorder, major depressive disorder and dementia. He conducted research to improve the accuracy of psychiatric diagnosis by machine learning. He has translated his research findings into clinical implementations at NUS iHealthtech. Prof Ho is involved in multiple research endeavours, which primarily aim to study the interface between psychiatry and medicine. His earlier research involves elucidating psychiatric symptoms associated with medical disorders include systemic lupus erythematosus, diabetes and eczema as well as medical complications of depression and buprenorphine misuse. His research extended to the laboratory and studied of effects of antidepressants on the immune system in animals. During the COVID-19 pandemic, he conducted global mental health research to study the psychological impact of the pandemic in different countries. Professor Ho has published over 500 papers in peer reviewed journals (H-index > 77). In 2021, he was identified by Clarivate Analytics (Web of Science) as one of the Most Highly Cited and Influential Researchers in the world. Prof Ho is extensively involved in medical education. He disseminated psychiatric knowledge through publications of academic books with global influence. An example is the co-authorship and publication of a postgraduate textbook, Revision Notes in Psychiatry (3rd edition), CRC Press and this book has been one of the most commonly used reference texts since 1998 by psychiatric trainees in Commonwealth countries. Professor Ho has received numerous awards throughout his academic career including the NUS Annal Teaching Excellence Award in 2012 and Special Recognition Award (2016 – 2020). He has supervised many medical students through the Undergraduate Research Opportunity programme (UROP) and be main/co-supervisor for more than 20 MSc/PhD candidates. He is a regular PhD Qualifying Examination and oral defence examiner for other departments and faculties at NUS.Professor Basant K. Puri: MA, PhD, MB, BChir, MSc, MMath, FRCPsych, FRMS, FRSB.Professor Puri is based at C.A.R., Cambridge and the University of Winchester, UK. He has authored or co-authored several books, including Drugs in Psychiatry, Textbook of Psychiatry and Clinical Neuropsychiatry and Neuroscience Fundamentals.

• Preface. Author biographies. General adult psychiatry. Obsessive-compulsive disorder. Psychosis. Outpatient MSE review. Mania with psychotic symptoms. Hypomania. Delirium tremens. Anxiety disorders (panic disorder with agoraphobia). Anxiety disorders (social phobia). Mental state examination (home leave). Depression with psychotic features. Depression with psychotic features. Delusion of love/erotomania. Adult ADHD. Panic disorder. Hyperprolactinemia explanation. Explain clozapine treatment. Explain lithium augmentation. Explain electroconvulsive therapy. Explain schizophrenia. Explain psychosocial interventions for schizophrenia. Explain bipolar affective disorder. Lithium usage during pregnancy. Treatment-resistant depression. Obsessive-compulsive disorder (history taking). Obsessive-compulsive disorder (patient management). Post-traumatic stress disorder. MMSE. Frontal lobe assessment. Suicide risk assessment (history taking). Suicide risk assessment (patient management). Grief reaction. Body dysmorphic disorder. Sleep disorders—insomnia. Capacity assessment (informed consent for procedure). Capacity assessment for social care needs. Breaking bad news. Explain neuroleptic malignant syndrome. Urine drug test. Dealing with angry relatives— clozapine case. Geriatric psychiatry. Geriatric psychosis. Old-age psychosis (patient management). Behavioural and psychological symptoms in dementia (history taking). Behavioural and psychological symptoms in dementia (patient management/ explanation). Genetics in Alzheimer’s dementia—counselling. History taking—dementia. Anti-dementia drugs. Lewy body dementia (history taking). Lewy body dementia (patient management). Fronto-temporal dementia (history taking). Cognitive assessment. Mild cognitive impairment (patient management). Delirium (patient management). Elderly mania (history taking). Elderly mania (patient management). Child psychiatry. ADHD history taking. ADHD (patient management). Conduct disorder (history taking). Autism (history taking). Early-onset psychosis (history taking). Early-onset psychosis (patient management). Childhood sexual abuse (patient management). Bullying and overdose. Enuresis. Elective mutism. Learning disabilities. Learning disability with challenging behaviour (history taking). Dementia in Down’s syndrome (history taking). Depression in learning disability. Temporal lobe epilepsy. Learning disability—sterilization. Learning disability—abuse. Addictions and substance misuse. Alcohol dependence (history taking). Alcohol dependence—discussion (patient management). Effects of alcohol on mood (history taking). Social and legal implications of alcohol (history taking). Opioid dependence (history taking). Substance misuse in pregnancy (history taking). Substance misuse in pregnancy (patient management). Psychotherapies. Psychotherapy—cognitive behavioural therapy. Psychotherapy—cognitive errors (history taking). Psychotherapy—cognitive errors (patient management). Agoraphobia—systematic desensitization. OCD—exposure and response prevention. Panic disorder and hyperventilation (patient management). Interpersonal therapy (patient management). Termination of therapy and transference reaction. Defence mechanisms. Eating disorders. Eating disorders (prognostic factors). Eating disorders (history taking). Eating disorders (patient management). Bulimia nervosa (history taking and prognostic factors). Re-feeding syndrome and use of Mental Health Act (patient management). Re-feeding syndrome (patient management). Personality disorder. Borderline personality disorder (history taking). Women’s mental health and perinatal psychiatry. Postnatal depression (history taking). Postnatal psychosis (history taking). Postnatal psychosis (patient management). Consultation-liaison psychiatry. Delirium tremens (discussion with consultant). Conversion disorder (history taking). Conversion disorder (discussion of management plans). Health anxiety disorder (history taking). Health anxiety disorder (management). Somatoform pain disorder (history taking). Traumatic brain injury (history taking). Post–myocardial infarction depression (history taking). Post–myocardial infarction depression (patient management). Antidepressant-induced sexual dysfunction (history taking). Forensic psychiatry. Assault in ward (paired station A). Assault in ward (patient management). Fire-setting behaviour—assessment. Morbid jealousy (history taking). Morbid jealousy (patient management). Erotomania and stalking behaviour (history taking). Erotomania and stalking (patient management). Violence risk assessment (MSE evaluation). Violence risk assessment (discussion and management). Sexual offence assessment. Fitness to plead assessment. Exhibitionism (history taking). Exhibitionism (patient management). Examination for extrapyramidal side effects. Examination of the thyroid gland. Neurological examination—upper limbs. Neurological examination—lower limbs. Neurological examination— examination of cranial nerves. Examination of the cardiovascular system. Examination of the cerebellar system. Fundoscopy. Reading ECG.

Assistant Professor Melvyn Zhang Weibin (MBBS (Singapore), DCP (Ireland), MRCPsych (United Kingdom), FAMS (Singapore). Affiliations: Assistant Professor, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore & National Addictions Management Service, Institute of Mental Health, Singapore.Assistant Professor Melvyn Zhang currently work as Assistant Professor and Consultant Psychiatry at the Lee Kong Chian School of Medicine, Nanyang Technological University and the National Addictions Management Service, Institute of Mental Health, Singapore. Assistant Professor Melvyn Zhang graduated with his basic medical degree from the National University of Singapore in 2011. He obtained his Diploma in Clinical Psychiatry from the Royal of Physicians and Surgeons, Ireland in 2014. He obtained his membership with the Royal College of Psychiatrists in 2014. In 2016, he completed his residency training in psychiatry in Singapore, and joined the National Addictions Management Service at the Institute of Mental Health. In 2016, he also obtained his fellowship with the Academy of Medicine, Singapore. His clinical interests are in the treatment of individuals with addictive disorders, and his special interest is in treating adolescent with Internet gaming disorder. Assistant Professor Melvyn Zhang has published over 120 papers in peer reviewed papers (H-index 37). In 2017, he successfully obtained the Ministry of Health (Singapore)’s Research Training Fellowship and the National Healthcare Group (NHG) Clinician Scientist Fellowship to pursue his PhD. He is also currently serving on the editorial boards of the British Journal of Psychiatry (BJPsych), Journal of Internet Medical Research (JMIR) Mental Health and Technology and Healthcare. He is also very involved in medical education and has been teaching medical students from the National University of Singapore and the Lee Kong Chian School of Medicine, Nanyang Technological University.Assistant Professor Cyrus Ho Su Hui (MBBS (S’pore), Dip (Cl Psy) (RCP&S, Ire), MRCPsych (UK), Grad Dip Acupuncture (S’pore), MSc (Research) (S’pore), MSc (Applied Neuroscience) (UK), PhD (S’pore), FAMS (Psy) (S’pore), IFAPA (USA)).Assistant Professor Cyrus Ho is a general adult and consultation liaison psychiatrist managing psychiatric conditions across the age continuum from adolescence to old age, with special interest interfacing between medicine and psychiatry, complex mood disorders, and neuropsychiatry. After graduating with a Bachelor of Medicine and Bachelor of Surgery (MBBS) from the National University of Singapore (NUS), Dr Ho obtained a Diploma in Clinical Psychiatry from Ireland. He was conferred memberships to the Royal College of Psychiatrists from the United Kingdom and College of Psychiatrists of Ireland. He is a Fellow of the Singapore Academy of Medicine, and he received the International Fellowship to the American Psychiatric Association. With a keen interest in neuroscience, he earned a Master of Science in Research from NUS for his research work on neuroimaging in depressed and chronic pain patients. He was further awarded Distinction in the Master of Science in Applied Neuroscience from King’s College London. His PhD dissertation was on integrating multimodal biomarkers to aid the diagnosis and treatment of major depressive disorder. Under the MOH Health Manpower Development Plan (HMDP) award, he underwent further training in neuropsychiatry with Montreal Neurological Hospital in Canada and Royal Melbourne Neuropsychiatry Unit in Australia. Being an avid researcher, Dr Ho has extensively published more than 300 academic papers in international peer-reviewed journals, including The Lancet, Annals of Internal Medicine, Autoimmunity Reviews, EBioMedicine and, Brain, Behavior and Immunity. He frequently delivers presentations in international psychiatry conferences, including notable ones such as the American Psychiatric Association (APA) Annual Meeting and the European Congress of Psychiatry. Dr Ho is a passionate educator involved in teaching both students and residents alike. He currently serves as the NUS Psychiatry Undergraduate Education Director. His dedication in education is exemplified by various teaching awards, such as the Dean’s Award for Teaching Excellence in 2015, 2016, 2018, 2020, and 2021, and Junior Doctor Teaching Award in 2015. He co-authored four postgraduate guidebooks for residents published by Taylor and Francis, and an undergraduate textbook titled "Mastering Psychiatry", which is a popular reference book used by local medical students.Professor Roger Ho: MBBS (Hong Kong), MD (Hong Kong), DPM (Ireland), GDip in Psychotherapy (S’pore), MMed (Psych) (S’pore), FRCPsych (UK), DCP (Ireland), FRCP (Canada), FRCP (Edinburgh), FAMS (Psych)Professor Ho currently works as Professor and Senior Consultant Psychiatrist at the Department of Psychological Medicine, National University of Singapore (NUS) and National University Hospital (NUH). He is the Research Director coordinating research studies for the department. He is also the Principal Investigator and Director of the functional near infrared spectroscopy (fNIRS) lab at the Institute for Health Innovation and Technology (iHealthtech, NUS). Professor Ho joined the Department of Psychological Medicine, NUH in July 2002 as a medical officer. Professor Ho did his Psychiatry residency and fellowship training at the Department of Psychological Medicine, NUH and rose through the academic and clinical ranks in NUS and NUH. Professor Ho obtained his basic medical degree (MBBS) from the University of Hong Kong. He received the Master of Medicine (MMED) in Psychiatry from the National University of Singapore. He received his higher research degree, Doctor of Medicine by research (MD) from the University of Hong Kong. He is a Fellow of the Royal College of Psychiatrists (UK). Royal College of Physicians (Canada), Royal College of Physicians (Edinburgh) and Academy of Medicine (Singapore). Professor Ho has clinical and research interests in applying functional near infrared spectroscopy (fNIRS) in diagnosing psychiatric disorders including attention deficit and hyperactivity disorder (ADHD), borderline personality disorder, major depressive disorder and dementia. He conducted research to improve the accuracy of psychiatric diagnosis by machine learning. He has translated his research findings into clinical implementations at NUS iHealthtech. Prof Ho is involved in multiple research endeavours, which primarily aim to study the interface between psychiatry and medicine. His earlier research involves elucidating psychiatric symptoms associated with medical disorders include systemic lupus erythematosus, diabetes and eczema as well as medical complications of depression and buprenorphine misuse. His research extended to the laboratory and studied of effects of antidepressants on the immune system in animals. During the COVID-19 pandemic, he conducted global mental health research to study the psychological impact of the pandemic in different countries. Professor Ho has published over 500 papers in peer reviewed journals (H-index > 77). In 2021, he was identified by Clarivate Analytics (Web of Science) as one of the Most Highly Cited and Influential Researchers in the world. Prof Ho is extensively involved in medical education. He disseminated psychiatric knowledge through publications of academic books with global influence. An example is the co-authorship and publication of a postgraduate textbook, Revision Notes in Psychiatry (3rd edition), CRC Press and this book has been one of the most commonly used reference texts since 1998 by psychiatric trainees in Commonwealth countries. Professor Ho has received numerous awards throughout his academic career including the NUS Annal Teaching Excellence Award in 2012 and Special Recognition Award (2016 – 2020). He has supervised many medical students through the Undergraduate Research Opportunity programme (UROP) and be main/co-supervisor for more than 20 MSc/PhD candidates. He is a regular PhD Qualifying Examination and oral defence examiner for other departments and faculties at NUS.Professor Basant K. Puri: MA, PhD, MB, BChir, MSc, MMath, FRCPsych, FRMS, FRSB.Professor Puri is based at C.A.R., Cambridge and the University of Winchester, UK. He has authored or co-authored several books, including Drugs in Psychiatry, Textbook of Psychiatry and Clinical Neuropsychiatry and Neuroscience Fundamentals.

• Preface. Author biographies. General adult psychiatry. Obsessive-compulsive disorder. Psychosis. Outpatient MSE review. Mania with psychotic symptoms. Hypomania. Delirium tremens. Anxiety disorders (panic disorder with agoraphobia). Anxiety disorders (social phobia). Mental state examination (home leave). Depression with psychotic features. Depression with psychotic features. Delusion of love/erotomania. Adult ADHD. Panic disorder. Hyperprolactinemia explanation. Explain clozapine treatment. Explain lithium augmentation. Explain electroconvulsive therapy. Explain schizophrenia. Explain psychosocial interventions for schizophrenia. Explain bipolar affective disorder. Lithium usage during pregnancy. Treatment-resistant depression. Obsessive-compulsive disorder (history taking). Obsessive-compulsive disorder (patient management). Post-traumatic stress disorder. MMSE. Frontal lobe assessment. Suicide risk assessment (history taking). Suicide risk assessment (patient management). Grief reaction. Body dysmorphic disorder. Sleep disorders—insomnia. Capacity assessment (informed consent for procedure). Capacity assessment for social care needs. Breaking bad news. Explain neuroleptic malignant syndrome. Urine drug test. Dealing with angry relatives— clozapine case. Geriatric psychiatry. Geriatric psychosis. Old-age psychosis (patient management). Behavioural and psychological symptoms in dementia (history taking). Behavioural and psychological symptoms in dementia (patient management/ explanation). Genetics in Alzheimer’s dementia—counselling. History taking—dementia. Anti-dementia drugs. Lewy body dementia (history taking). Lewy body dementia (patient management). Fronto-temporal dementia (history taking). Cognitive assessment. Mild cognitive impairment (patient management). Delirium (patient management). Elderly mania (history taking). Elderly mania (patient management). Child psychiatry. ADHD history taking. ADHD (patient management). Conduct disorder (history taking). Autism (history taking). Early-onset psychosis (history taking). Early-onset psychosis (patient management). Childhood sexual abuse (patient management). Bullying and overdose. Enuresis. Elective mutism. Learning disabilities. Learning disability with challenging behaviour (history taking). Dementia in Down’s syndrome (history taking). Depression in learning disability. Temporal lobe epilepsy. Learning disability—sterilization. Learning disability—abuse. Addictions and substance misuse. Alcohol dependence (history taking). Alcohol dependence—discussion (patient management). Effects of alcohol on mood (history taking). Social and legal implications of alcohol (history taking). Opioid dependence (history taking). Substance misuse in pregnancy (history taking). Substance misuse in pregnancy (patient management). Psychotherapies. Psychotherapy—cognitive behavioural therapy. Psychotherapy—cognitive errors (history taking). Psychotherapy—cognitive errors (patient management). Agoraphobia—systematic desensitization. OCD—exposure and response prevention. Panic disorder and hyperventilation (patient management). Interpersonal therapy (patient management). Termination of therapy and transference reaction. Defence mechanisms. Eating disorders. Eating disorders (prognostic factors). Eating disorders (history taking). Eating disorders (patient management). Bulimia nervosa (history taking and prognostic factors). Re-feeding syndrome and use of Mental Health Act (patient management). Re-feeding syndrome (patient management). Personality disorder. Borderline personality disorder (history taking). Women’s mental health and perinatal psychiatry. Postnatal depression (history taking). Postnatal psychosis (history taking). Postnatal psychosis (patient management). Consultation-liaison psychiatry. Delirium tremens (discussion with consultant). Conversion disorder (history taking). Conversion disorder (discussion of management plans). Health anxiety disorder (history taking). Health anxiety disorder (management). Somatoform pain disorder (history taking). Traumatic brain injury (history taking). Post–myocardial infarction depression (history taking). Post–myocardial infarction depression (patient management). Antidepressant-induced sexual dysfunction (history taking). Forensic psychiatry. Assault in ward (paired station A). Assault in ward (patient management). Fire-setting behaviour—assessment. Morbid jealousy (history taking). Morbid jealousy (patient management). Erotomania and stalking behaviour (history taking). Erotomania and stalking (patient management). Violence risk assessment (MSE evaluation). Violence risk assessment (discussion and management). Sexual offence assessment. Fitness to plead assessment. Exhibitionism (history taking). Exhibitionism (patient management). Examination for extrapyramidal side effects. Examination of the thyroid gland. Neurological examination—upper limbs. Neurological examination—lower limbs. Neurological examination— examination of cranial nerves. Examination of the cardiovascular system. Examination of the cerebellar system. Fundoscopy. Reading ECG.