Physiological-sperry

Question 0

Wat is a tachistoscope

Answer 0

Equipment that project a word/picture to the left or right for a second

Question 1

Wat year was the study

Answer 1

1968

Question 2

Wat is corpus callosum

Answer 2

Nerve tissue connecting the 2 hemispheres of the brain

Question 3

Wat is commisurotomy

Answer 3

Split brain surgery

Question 4

Wat is lateralisation of function

Answer 4

E.g left hemisphere controls language

Question 5

Wat is the aim

Answer 5

To investigate the effects of deconnection and to show that each hemisphere of the brain has different functions

Question 6

Wat research method is it ND why

Answer 6

Quasi experiment

Split brain surgery has already been done

Naturally occurring independent variable

Question 7

Describe sample

Answer 7

11 people
All had surgery - severed their corpus callosum
Compared to ‘normal people’ who hadn’t had surgery

Question 8

Weakness of sample

Answer 8

Small sample and hard to find people who have undergone the same surgery
Not many operations - difficult to get a bigger sample

Question 9

Strength of sample

Answer 9

Can’t make any generalisations because brains are altered

Don’t know if epilepsy or drug therapy have altered the brain

Question 10

2 controls

Answer 10

Images in the tachistoscope has been used for 10th of a second

Asked them to remain silent - if speak it will alter experiment

Question 11

Wat ethical guidelines did they follow

Answer 11

All of them

Question 12

Identify 2 problems

Answer 12

Small sample

Trying to compare brains that are all different - some people may be more epileptic than others