PSY100H1 Study Guide - Vasopressin, Stria Terminalis, Caudate Nucleus
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PSY100H1 Full Course Notes
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Cingulate cortex - not visually seen from outside of brain. Olfactory bulb sends signals to amygdala (not thalamus: amygdala responsible for emotion. Basal ganglia (gray matter structure) important for dopaminergic activity and somatosensory function: related to parkinson"s disease. Human gestation period = 40wks (280 days) times from conception to birth substantia nigra = where atrophy of dopaminergic systems taking place for. Parkinson"s limbic system also important for emotion fear conditioning very amygdala dependent. Main information pathway (pic: orange -> brown -> red) info input -> lateral nucleus -> basal nucleus -> central nucleus. Ventral striatum also very dopaminergic involved in motivated behaviour (addictions, etc. ) Amygdala largely developed at birth (connections are there) ex. Macaques (type of monkey: basic fear is lacking @ beginning of life ex. 2 stranger anxiety (not present @ birth: projection exists (stria terminalis, not expressed functinally until gets myelinated temporopolar cortex (in temporal lobe)