split brain research

Question 1

what is split-brain research?

Answer 1

Corpus callosum cut in patients with severe epilepsy, allowing researchers to investigate the extent to which brain function is lateralised

Question 2

who conducted the research?

Answer 2

Sperry 1968

Question 3

what was the procedure of sperry’s research?

Answer 3

11 sb patients studied
mage/word is projected to right visual field (RVF) or left visual field (LVF).
told to describe what they saw and to select matching image

Question 4

what were the results of describing what they saw?

Answer 4

Pictures shown to RVF could be described but not those to LVF because no language centres in right hemisphere (connected to LVF).

Question 5

what were the results of recognition by touch?

Answer 5

Could not describe objects projected to LVF, but able to select a matching object from a selection of different objects using their left hand

Question 6

ao3 recent research support? split brain

Answer 6

strength
Luck et al (1989)
ppts w SB perform better in certain tasks, faster in odd one out, distinct sides

Question 7

ao3 generalisation issues? split brain

Answer 7

limitation
casual relationship hard to establish, all epilepsy patients so may be due to that. extraneous variables.
compared to normal control group, none had epilepsy