PSYC 2240 Lecture Notes - Foxp2, Fusiform Gyrus, Myelin
1 Dec 2012
School
Department
Course
Professor
Document Summary
Hemispheres act as two seperate people, can conflict with eachother. The left hemisphere usually supresses right hemisphere for some actions. Left brain damage = can interpret emotions on peoples" face better, left hemisphere interferes with right hemisphere in interpreting emotions. Right brain damage = monotone voice, don"t understand emotional expressions, sarcasm or humor. Left hemisphere focuses on details, right on overall patterns. Brain attends to language sounds, different vowel sounds can be noticed by premature infants. Planum temporale in temporal cortex, larger in left hemisphere for 65% of people. Maturation of corpus callosum: corpus callosum thickens and grows as myelin increases. Two neurons connected by corpus callosum need to have corresponding functions, genes can"t specify where to attach, therefore they make more connections than needed during development and prune them out. Young children resemble split brain people because of immature corpus callosum. Born without corpus callosum- similar to split brain, preform poorly on tasks that need use of both hands.
