In this video I describe the symptoms and prevalence of several disorders in the DSM-5 category of Bipolar and Related Disorders, formerly in the category of mood disorders. I describe the symptoms and prevalence of Bipolar I, Bipolar II, and … Read More
Depressive Disorders
In this video I describe the symptoms and prevalence of several disorders in the DSM-5 category of Depressive Disorders with a focus on Major Depressive Disorder. I describe the symptoms and prevalence of MDD, patterns such as seasonal pattern and … Read More
Feeding & Eating Disorders
In this video I describe the symptoms and prevalence of several disorders in the DSM-5 category of Feeding and Eating Disorders including Pica, Binge-Eating Disorder, Anorexia Nervosa, and Bulimia Nervosa. I also describe comorbid disorders and symptoms and how similar … Read More
Schizophrenia Spectrum & Other Psychotic Disorders
In this video I describe the positive symptoms of schizophrenia, including delusions, hallucinations, disorganized speech, and abnormal motor behavior, as well as negative symptoms of reduced emotional expression, anhedonia, alogia, avolition, and asociality. I also discuss diagnostic criteria, cognitive factors, … Read More
Neurodevelopmental Disorders
In this video I describe some symptoms and prevalence of several disorders in the Neurodevelopmental Disorders category of the DSM-5. This category includes intellectual disability, communication disorders, learning disorders, and motor disorders. In this video I focus on Autism Spectrum … Read More
Dissociative Disorders
In this video I describe some symptoms and prevalence of several disorders in the Dissociative Disorders category of the DSM-5. These include dissociative amnesia, dissociative fugue, dissociative identity disorder, and depersonalization/derealization disorder. Please note that the symptoms described in this … Read More
Somatic Symptoms & Related Disorders
In this video I describe some symptoms and prevalence of several disorders in the Somatic Symptoms and Related Disorders category of the DSM-5, a category formerly referred to as somatoform disorders. The prior disorder of hypochondriasis has been divided into … Read More
Culture & Mental Illness
In this video I discuss the relationship between culture and mental illness and how culture may influence the prevalence, expression, or understanding of psychological disorders. While the DSM-IV described “culture-bound syndromes” such as koro (penile retraction syndrome), the DSM-5 has … Read More
The Diathesis-Stress Model
In this video I describe the diathesis-stress model. This model suggests that development of mental illness can be explained by two main factors – a genetic predisposition (diathesis) and environment (stress). Individuals vary for both of these factors and these … Read More
On Being Sane in Insane Places – The Rosenhan Study
In this video I discuss David Rosenhan’s well-known study in which pseudo-patients went for psychiatric consultations and described a single symptom of hearing voices. I discuss how this study raised questions about recognition and diagnosis of mental illness, interpretations of … Read More