Professor Dr. Andreas Büttner studied at the Medical School, Ludwig-Maximillians-University, Munich, Germany and received his medical degree in 1994. From 1994-2009, Professor Büttner worked at the neurosurgical clinic, the Institute of Neuropathology and the Institute of Legal Medicine at the Ludwigs-Maximillians-University, Munich, Germany. He qualified as a professor in 2004.  Since 2009, he is director and chair of the Institute of Forensic Medicine, Rostock, Germany.  Since 2010 he is Chairman of the Ethical Commission at the Rostock University Medical Center, Germany. Since 2013 he is member of the expert advisory board of the Federal Institute for Drugs and Medical Devices at the German Federal Ministry of Health.Professor Büttner is an international expert in the field of forensic neuropathology. His research focus lies on forensic neuropathology and genetic-neurobiologic aspects of illegal drug abuse and he has published more than 160 scientific publications in this field. He gave more than 130 oral presentations nationally and internationally and is a member of the International Society of Neuropathology and the German Society of Legal Medicine and German Society of Neuropathology and Neuroanatomy.

• Chapter 1. Introduction.- Chapter 2. Neurobiological Basics of Drug Abuse.- Chapter 3. Neuroimaging Studies in Drug Abusers.- Chapter 4. Basic Substance Characteristics and Neuropathological Findings in Drug Abusers.- Chapter 5. Neuropathological Findings in Drug Abusers.- Chapter 6. Neurotoxicity and Neurodegeneration of Drug Abuse.- Chapter 7. Summary and Implications for Research.

Professor Dr. Andreas Büttner studied at the Medical School, Ludwig-Maximillians-University, Munich, Germany and received his medical degree in 1994. From 1994-2009, Professor Büttner worked at the neurosurgical clinic, the Institute of Neuropathology and the Institute of Legal Medicine at the Ludwigs-Maximillians-University, Munich, Germany. He qualified as a professor in 2004.  Since 2009, he is director and chair of the Institute of Forensic Medicine, Rostock, Germany.  Since 2010 he is Chairman of the Ethical Commission at the Rostock University Medical Center, Germany. Since 2013 he is member of the expert advisory board of the Federal Institute for Drugs and Medical Devices at the German Federal Ministry of Health.Professor Büttner is an international expert in the field of forensic neuropathology. His research focus lies on forensic neuropathology and genetic-neurobiologic aspects of illegal drug abuse and he has published more than 160 scientific publications in this field. He gave more than 130 oral presentations nationally and internationally and is a member of the International Society of Neuropathology and the German Society of Legal Medicine and German Society of Neuropathology and Neuroanatomy.

• Chapter 1. Introduction.- Chapter 2. Neurobiological Basics of Drug Abuse.- Chapter 3. Neuroimaging Studies in Drug Abusers.- Chapter 4. Basic Substance Characteristics and Neuropathological Findings in Drug Abusers.- Chapter 5. Neuropathological Findings in Drug Abusers.- Chapter 6. Neurotoxicity and Neurodegeneration of Drug Abuse.- Chapter 7. Summary and Implications for Research.

Professor Dr. Andreas Büttner studied at the Medical School, Ludwig-Maximillians-University, Munich, Germany and received his medical degree in 1994. From 1994-2009, Professor Büttner worked at the neurosurgical clinic, the Institute of Neuropathology and the Institute of Legal Medicine at the Ludwigs-Maximillians-University, Munich, Germany. He qualified as a professor in 2004.  Since 2009, he is director and chair of the Institute of Forensic Medicine, Rostock, Germany.  Since 2010 he is Chairman of the Ethical Commission at the Rostock University Medical Center, Germany. Since 2013 he is member of the expert advisory board of the Federal Institute for Drugs and Medical Devices at the German Federal Ministry of Health.Professor Büttner is an international expert in the field of forensic neuropathology. His research focus lies on forensic neuropathology and genetic-neurobiologic aspects of illegal drug abuse and he has published more than 160 scientific publications in this field. He gave more than 130 oral presentations nationally and internationally and is a member of the International Society of Neuropathology and the German Society of Legal Medicine and German Society of Neuropathology and Neuroanatomy.

• Chapter 1. Introduction.- Chapter 2. Neurobiological Basics of Drug Abuse.- Chapter 3. Neuroimaging Studies in Drug Abusers.- Chapter 4. Basic Substance Characteristics and Neuropathological Findings in Drug Abusers.- Chapter 5. Neuropathological Findings in Drug Abusers.- Chapter 6. Neurotoxicity and Neurodegeneration of Drug Abuse.- Chapter 7. Summary and Implications for Research.