PSY 102 Lecture Notes - Lecture 3: Phineas Gage, Postcentral Gyrus, Frontal Lobe
17 Apr 2016
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Ta/prof both mark assignment, prof marks the exams he said. Exam is both mc/ sa 60m/c and 2/3 sa (2 hours exam) 2 weeks from today. Form an involved, complex system of specialized communication. He said that functions of the front part of the brain (frontal lobes/prefrontal cortex) linked with personality after accident. Short clip on finnaeus gage (youtube link in slides) railroad worker with freak railroad accident. We cannot fully manipulate the brain so we study behaviours/actions/thought processes after traumatized events. Sept 13, 1848, phineas gage tamping iron that caused brain lesion. Lack of respect, profanities, reductions in reasoning, unable to plan = noted changes. Figure 3. 8 and sympathetic vs parasympathetic nervous system diagrams. Electrical simulation is summarized here, comes from dendrite and decides whether it will pass the signal or not. Axon terminals is also known as the terminal button (connected to next neuron via its dendrites) Space between terminal button and soma is the synaptic cleft.
