PSY 312 Lecture Notes - Lecture 16: Lobotomy, Startle Response, Psy
26 Oct 2020
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Psy 312 lecture 16 emotion: perturbations of response patterns (subserve function, 3 components, behavioral, muscle reactions. Involved in emotional response of humans: stimulation with electrodes produces fear and anxiety. Lesions also impair the memory of emotional events: damage to the orbitofrontal cortex, human emotional reactions in social situations, must analyze social situations, interpret behavior of others, and react accordingl, this involves the "orbitofrontal cortex" Inputs from most other brain areas, and outputs to them: the executive area, human quality, govern emotional responses, evidence for brain injury of this area, phineas gage, orbitofrontal cortex, reduced inhibitions and self-concern. Jacobsen: removed area in monkeys and reported calming action. Ice-pick technique: developed by walter freeman in 1936, disrupts frontal lobe function by severing connection between this area and the rest of the brain, side-effects, serious deficits in planning, child-like behavior, functions of orbitofrontal cortex. Important area, complex: how it functions is not really known, theories.
