PSYCH 1XX3 Lecture Notes - Lecture 4: Posttraumatic Stress Disorder, Lateral Sulcus, Uterine Contraction
20 Apr 2018
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Dorsal - back of axis (top of brain bc of bend, otherwise back) Ventral - front of axis (to the belly) Rostral - top of axis front of brain. Caudal - bottom of axis bottom of brain. Medial - locations in brain more central/towards midline of brain. Lateral - regions towards outside of brain side of brain. Study brain via animals, tissues, or more reduced preparations. Phineas gage brain has specialized structures for complex behaviours. Advantage: direct measure of brain structure"s function. Disadvantage: rarely isolated to specific structures, difficult to assign function to specific areas. Overcome by studying induced animal brain lesions. Interconnectedness of brain can make one lesion cause changes in variety of behaviours. Used by dr. wilder penfield to treat epileptic seizures (cid:3247)montreal procedure(cid:3248) person awake and communicating while he probed brain to find scarred tissue. Used thin wire with small electrical charge, makes one neuron fire. Mapped areas of brain functional role of areas.
