Theories of Personality and Psychological Disorders | Six Minutes: MCAT, Part 81

Six Minutes: MCAT, Part 81: Theories of Personality and Psychological Disorders: Six lenses on why people are the way they are; then Psychological Disorders Six major perspectives on personality, from unconscious drives to learned habits, plus the situational approach. Learn to match a description to the right theory on sight. Then: This episode defines what makes a pattern of thoughts or behaviors a psychological disorder and contrasts the biomedical and biopsychosocial approaches. It covers major disorder types, prevalence as cases divided by population, and the biological bases of nervous system disorders. Chapters 0:00 Introduction 0:25 Psychoanalytic and humanistic 1:00 Trait and biological 1:24 Social cognitive, behaviorist, situational 1:58 Worked example 2:46 Trap 3:06 Recap 3:25 Psychological Disorders 3:36 What counts as a disorder 4:06 Two ways to explain it 4:35 Disorder types and rates 5:21 Worked example 5:59 The trap 6:14 Recap 6:40 Thanks for watching Practice problems 1. A girl has been jittery since infancy. Her identical twin is just as jittery, and both have an unusually reactive stress response in the brain. Which perspective best explains this? Answer: biological. 2. A quiet child becomes talkative at drama camp but stays quiet at school. Which approach best explains the difference? Answer: situational. A city has 250,000 adults and 17,500 currently meet criteria for a mood disorder. What is the prevalence as a percent? (Answer: 17,500 / 250,000 = 0.07, which is 7%.) A student feels nervous before one exam but sleeps and studies normally. Does this meet the definition of a psychological disorder? (Answer: No; there is no lasting distress, impairment, or dysfunction.) Six Minutes @SixMinuteClass: One technique, about six minutes. The narrator's voice is synthetic (computer-generated). Independent educational video for exam study, not medical advice. Not affiliated with or endorsed by the AAMC (Association of American Medical Colleges). MCAT is a registered trademark of the AAMC. © 2026 Six Minutes · @SixMinuteClass