JON L. KARLSSON has extensive research and clinical experience in mental disorders, and has served as the Director of the Institute of Genetics in Reykjavik, Iceland. Dr. Karlsson has written two previous books on human genetics, The Biologic Basis of Schizophrenia (1966) and Inheritance of Creative Intelligence (1978).

• Preface General Conceptions of Human Personality Growth of Intellectual Functions Measures of Mental Capacity Past Exploratory Studies of Bright Persons Basis of Mental Traits and Related Disorders Approaches to Genetics of Intelligence Hereditary Foundations of Nearsightedness Inheritance of Psychotic Tendencies Family Aspects of Alcohol Abuse Genetics of Other Frequent Disorders Survey of Mentality Genes in Iceland The People of Iceland A Cohort of University Students Honors Students and Creative Writers Social Leaders and Professional Groups Genetic Endowments of Unskilled Workers Personality Effects Associated with Specific Genes Mentality of Schizophrenia Carriers Success and the Alcoholism Gene Brain Effects Associated with Myopia Carriers of Other Frequent Genes Evolutionary Patterns in Brain Development Mechanisms of Mental Effects of Mutant Genes Foundations of Creative Thinking Biology of Human Cultural Advances References Index

JON L. KARLSSON has extensive research and clinical experience in mental disorders, and has served as the Director of the Institute of Genetics in Reykjavik, Iceland. Dr. Karlsson has written two previous books on human genetics, The Biologic Basis of Schizophrenia (1966) and Inheritance of Creative Intelligence (1978).

• Preface General Conceptions of Human Personality Growth of Intellectual Functions Measures of Mental Capacity Past Exploratory Studies of Bright Persons Basis of Mental Traits and Related Disorders Approaches to Genetics of Intelligence Hereditary Foundations of Nearsightedness Inheritance of Psychotic Tendencies Family Aspects of Alcohol Abuse Genetics of Other Frequent Disorders Survey of Mentality Genes in Iceland The People of Iceland A Cohort of University Students Honors Students and Creative Writers Social Leaders and Professional Groups Genetic Endowments of Unskilled Workers Personality Effects Associated with Specific Genes Mentality of Schizophrenia Carriers Success and the Alcoholism Gene Brain Effects Associated with Myopia Carriers of Other Frequent Genes Evolutionary Patterns in Brain Development Mechanisms of Mental Effects of Mutant Genes Foundations of Creative Thinking Biology of Human Cultural Advances References Index

JON L. KARLSSON has extensive research and clinical experience in mental disorders, and has served as the Director of the Institute of Genetics in Reykjavik, Iceland. Dr. Karlsson has written two previous books on human genetics, The Biologic Basis of Schizophrenia (1966) and Inheritance of Creative Intelligence (1978).

• Preface General Conceptions of Human Personality Growth of Intellectual Functions Measures of Mental Capacity Past Exploratory Studies of Bright Persons Basis of Mental Traits and Related Disorders Approaches to Genetics of Intelligence Hereditary Foundations of Nearsightedness Inheritance of Psychotic Tendencies Family Aspects of Alcohol Abuse Genetics of Other Frequent Disorders Survey of Mentality Genes in Iceland The People of Iceland A Cohort of University Students Honors Students and Creative Writers Social Leaders and Professional Groups Genetic Endowments of Unskilled Workers Personality Effects Associated with Specific Genes Mentality of Schizophrenia Carriers Success and the Alcoholism Gene Brain Effects Associated with Myopia Carriers of Other Frequent Genes Evolutionary Patterns in Brain Development Mechanisms of Mental Effects of Mutant Genes Foundations of Creative Thinking Biology of Human Cultural Advances References Index