PSYCH 1 Chapter 55: Lecture 4 Notes
Document Summary
Overview of notes integration; plasticity; validity and reliability issues in neuroscience. Neuroscience : hierarchical organization; methods of assessment; specialization vs. States of consciousness : sleep, dreams, and drugs (neurotransmitters). Discussion : neuroethics + finding and evaluating research on dreams. Hierarchical organization (mike the chicken 1945-1947) : The brainstem : the basic programs of survival (e. g. , movement, breathing, swallowing, vomiting, orgasm) The limbic system : basic drives and motivation (e. g. , eating, drinking); emotional responses (rewards); memory storage. The cortex : perceptions; consciousness; thoughts; regulation of desires. Methods : damage in the brain : Phineas gage [1848] : accident led to damage to prefrontal cortex, along with extreme personality change ( fitful, irreverent, profaneno longer. Charles whitman : sniper at top of ut tower in austin, tx; later discovered to have had brain tumor inprefrontal lobe. Paul broca [1861] : studied patient who could comprehend language, but only vocalize one word ( tan"); later autopsy revealed damage to frontal lobe.
