PSY 3120 Chapter Notes - Chapter 1: Electroencephalography, Cortical Minicolumn, Magnetoencephalography
23 Apr 2016
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Introduction: central nervous system: brain and spinal cord a. i. Spinal cord: carry signals; brain to muscles, sensory from body to brain a. ii. Brain: lower primitive; higher well developed only in higher species a. ii. 1. Cerebellum: motor coordination and voluntary movement a. ii. 2. a. ii. 3. Cerebral cortex is the most recently evolved; highly convoluted. Gyrus: bulge of the cortex sulcus: a crease a. ii. 3. a. Parietal: perceptual functions spatial processing, represent. , attention a. iii. 3. Temporal: object recognition (info from occipital); auditory areas, Frontal: back motor functions front prefrontal cortex: planning a. iv. Limbic system: border between cortex and lower structures (memory) a. iv. 1. Basal ganglia: motor & control of complex cognition (parkinson"s, Huntington"s: localization of function, left: linguistic and analytic processing right: perceptual and spatial processing a. i. Connected by the corpus callosum; split-brain patients a. ii. Experiment: word flashed on left side, processed by right (non-language hemisphere) a. ii. 1. However, right hemisphere is better than left for manual controls a. iii. Wernicke"s area: grammatical sentences that are devoid of meaning a. v.
