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Lecture

34.Schizophrenia 2. Levels of Perception.doc
34.Schizophrenia 2. Levels of Perception.doc

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School
University of Toronto St. George
Department
Pharmacology
Course
PCL102H1
Professor
Mac Burnham
Semester
Summer

Description
SCHIZOPHRENIA 2–NEUROPSYCH PERSPECTIVE ORIENTATION: PERIODICALLY, WE CONSIDER THE BIOPSYCH TOPICS THIS IS NOT “TEST MATERIAL” ,BUT IT’S USEFUL IN UNDERSTANDING DRUG ACTION RECAP: - PERCEPTION IS INDEPENDENT FROM SENSORY INPUT; - COGNITION IS ‘PERCEPTION’ TRIGGERED BY THE FRONTAL LOBES – AFFECT IS SUBCORTICAL (NOT “CONSCIOUS”) - AFFECT CAN BE TRIGGERED, BY CONSCIOUS COGNITION – E.G. ANXIETY TODAY- IS THERE A “PERCEPTUAL” SYSTEM IN THE SUBCORTICAL TELENCEPHALON? RELEVANCE: MOST “PSYCHIATRIC” PROBLEMS RELATE TO THE SUBCORTICAL TELENCEPHALON; MOST “PSYCHIATRIC” DRUGS ACT ON THE SUBCORTICAL TELENCEPHALON HISTORICAL: IN THE 19CENTURY, ENGLISH EMPIRICIST PHILOSOPHY BECAME “TRAINED INTROSPECTION” -WHICH LATER BECAME “BEHAVIORISM” WHAT THEY HAVE IN COMMON: EVERYTHING IS SHAPED BY LEARNING (- IMPLICATION: NEOCORTEX CRUCIAL; LIMBIC SYSTEM TRIVIAL) - SENSATIONS - INITIALLY MEANINGLESS - BECOME “ASSOCIATED” INTO PERCEPTIONS BY LEARNING (CORTICAL) - PERCEPTIONS ARE ASSOCIATED WITH PAIN AND PLEASURE (LIMBIC?) - PAIN AND PLEASURE DETERMINE BEHAVIOR - VERY LOGICAL, VERY BRITISH HISTORICAL: FREUD (NON-BRITISH) - OUT-MODED THEORY: HAD A USEFUL POINT: HUMAN BEHAVIOR ISN’T “LOGICAL” QUERY: NOT LOGICAL? IF WE WERE LOGICAL, WE WOULD ALL… - CHEAT (IF NOT CAUGHT) - STEAL (IF NOT CAUGHT) -BE BISEXUAL (MORE PARTNERS) - EMBRACE INCEST (MORE PARTNERS) - - MARRY FOR MONEY, NOT LOVE - KILL (IF NOT CAUGHT) - EAT HUMAN FLESH - COMIT SUICIDE WHEN THINGS LOOK BAD CONCLUSION: WE’RE NOT LOGICAL NORMAL HUMANS DON’T DO THESE THINGS, REPTILES DO (DRUNKS?) “LOGICAL” HUMAN BEINGS ARE CALLED “PSCHOPATHS” THE BEHAVIOR OF NORMAL HUMANS BEINGS (OR OTHER ANIMALS) IS DOMINATED BY MANY IRRATIONAL RESPONSES THESE “INSTINCTIVE PATTERNS” ORGANIZE OUR LIVES – BECAUSE CERTAIN PERCEPTIONS ARE POSITIVELY OR NEGATIVELY TONED INTROSPECT: MUCH OF THE PERCEPTUAL WORLD IS NOT “AFFECTIVELY TONED” - A TABLE, A CHAIR, THE WALL (“TAKE IT OR LEAVE IT”) INTROSPECT: WHAT DOES LOOK “GOOD” OR “BAD” TO YOU (“TAKE IT”) -
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