Sperry

Question 1

aim

Answer 1

to investiagte the effects of hemispheric decoonection on perception and memory

Question 2

IV

Answer 2

hempisher e

Question 3

DV

Answer 3

individuals performance in tests of cognition

Question 4

sample

Answer 4

opportunity sampling of 11 patients with epilepsy who all had an operation to devide their brain in half down the middle along the corpus callosum to reduce the spread of seizures from one side to the other thus preventing exchange of info between the left and right hemispheres

Question 5

explain how stimulus works in a split brain patient

Answer 5

a stimulus presented to one visual field enters the opposite hemisphere of the brain so if the ppt had the left eye shut they would be using their right visual field meaning it enters the left hemisphere

Question 6

procedure

Answer 6

to expose one or both hemispheres to a stimulus to elicit a response

Question 7

why was latter control important

Answer 7

to ensure the time available would be insufficient for the ppts eye to move the view the stimulus in the other visual field

Question 8

what do each hemispheres control

Answer 8

left hemisphere - speech/language

right hemisphere-

Question 9

conclusions

Answer 9

in split brain patients perception in each hemisphere is independent, info from one visual field passes to only one hemisphere and is not available to the other hemisphere
in split brain patients memory in each hemisphere is independent, info from one visual field is remembered only by that hemisphere and cannot be accessed by the other