Psychology 2220A/B Chapter : Ch 12 - Consciousness

• School: Western University
• Department: Psychology
• Course: Psychology 2220A/B
• Professor: Jody Culham

Document Summary

Lecture 12 consciousness (ch 16, 16. 2 & 16. 3) Scotoma: area of blindness produced by damage to or disruption of an area of the visual system hemispheres can act as two separate brains, and the corpus callosum transmits information between them. Cross cuing: non neural communication between hemispheres that have been separated by commissurotomy. Helping hand phenomenon: redirection of one hand of a split brain patient by the other hand. Visual completion: completion or filling in of a scotoma by the brain. Chimera figure tests: test of visual completion in split brain subjects that uses pictures composed of the left and right halves of two different faces. Z lens: contact lens that is opaqe on one side, and thus allows visual input to enter only one hemisphere of a split- brain subject, irrespective of eye movement. Left hemisphere contains verbal and motor abilities, language abilities. Skills are not solely controlled by one hemisphere.