This textbook introduces the reader to some of the most common psychological disorders, from schizophrenia, depression and substance abuse to disorders of childhood, adolescence and ageing. Coverage of these disorders is combined with a comprehensive grounding in the fundamentals of neurobiology and the principles of psychopharmacology that underpin their treatment.Written by David Linden, Scientific Director at the School of Mental Health and Neuroscience at Maastricht University, The Biology of Psychological Disorders sits at the intersection psychology, psychiatry, biology and neuroscience. Aimed primarily at undergraduate psychology students, it is also of relevance to trainee psychiatrists and clinicians.New to this Edition:— Two completely new chapters on the immune system and mental health, and on environmental influences on brain development— Incorporates recent advances in genetics and psychopharmacology— Updated chapters in accordance with the DSM—5— Discusses biological aspects of psychological interventions and psychological disease models— Suitable for neuroscience curriculum for trainee psychiatrists— New 'controversies' feature that promotes critical thinking skills by exploring the validity of disease concepts and evidence bases