An introduction to Sigmund Freud and his psychodynamic system applied to personality. Topics include consciousness, unconsciousness, id, ego, superego, conflict, defense mechanisms, psychosexual stages, Duration: 4:59.
Patient P.S. suffered a stroke that damaged the right side of her brain, leaving her unaware of everything on her left side. If someone threw a ball at her left side, she might duck. But she wouldn't have awareness of the ball or know why she ducked. Where does consciousness come from? Michael Graziano explores the question that has vexed scientists and philosophers for centuries. [Directed by TED-Ed, narrated by Addison Anderson]. Duration: 4:56.
Discusses definitions, uses, and psychological explanations for other states of consciousness not induced by drugs or sleep, including hypnosis and meditation. Duration: 1:45.
A review of common sleep problems, disorders and their causes, symptoms, and treatments, including insomnia, parasomnia, REM sleep disorder, restless leg syndrome, night terrors, sleep apnea, sudden infant death syndrome, and narcolepsy.
Duration: 2:53.
Duration: 2:18.
Discusses psychological criteria for diagnosis with drug dependency; includes explanations of tolerance and withdrawal; and details effects of broad classes of drugs, including antagonists/agonists, depressants, stimulants, opioids, hallucinogens.
Duration: 3:45
A brief introduction to consciousness. Duration: 2:16.