PSYC37H3 Lecture Notes - Lecture 9: Neocortex, Stroop Effect, Basal Ganglia
Document Summary
Atrophy of the corpus callosum- easily visible on an mri; agenesis of the corpus callosum means to not have any corpus callosum; corpus callosum is often studying using split brain patients; Behavioural observations & mental status (9/2007)- wide-based and unsteady gait, ataxic dysarthria. Corpus callosum is a large bundle of nerve fibres (~4 inches long) that integrates the functions of the two cerebral hemispheres; connects the homologous sites in the left and right hemispheres. Neuropsychological test results- intellectual function (wais-iii index scores- full scale iq: 77, Verbal iq: 81, performance iq: 75); subtest scores- similarities: 6, arithmetic: 7, digit span: 11, Information: 4, picture completion: 6, digit symbol: 5, block design: 7. Achievement function- wrat-4: reading- raw:56, ss:91, %ile:27, grade:11. 4; she may have a low to low average range of cognitive reserve. Attentional systems- reticular formation- general arousal or consciousness, damage to reticular activating system can produce drowsiness, stupor or coma; four primary attentional systems- 1.
