Sperry

Question 0

Aims; to understand?

Answer 0

To understand how the right and left hemisphere work on ‘normal’ individuals

Question 1

Aims; to investigate?

Answer 1

To investigate the behavioural, neurological and psychological effects of having the two hemispheres cut

Question 2

Sample; number?

Answer 2

11

Question 3

Sample; studied in detail?

Answer 3

2

Question 4

Procedure?

Answer 4

Patient centres their gaze on a designated, central point on a translucent screen

Question 5

What was shown on the translucent screen?

Answer 5

Two signals; a word, picture or symbol

Question 6

How long was the sign or picture on the translucent screen for?

Answer 6

1/10th of a second

Question 7

Why was the sign or picture on the translucent screen on for a short period of time?

Answer 7

This didn’t allow central movement, it didn’t allow eye movement too

Question 8

Right visual field used for?

Answer 8

When information was shown in the right visual field, participants could say it in speech or writing

Question 9

Left visual field for?

Answer 9

When information was shown in the left visual field, participant would say they didn’t see anything but could point to it

Question 10

Conclusion?

Answer 10

Tests show that the right hemisphere cannot “speak” or “write”

Question 11

Ethics?

Answer 11

All fine

Question 12

Validity?

Answer 12

May have over stated the difference

Question 13

Sample; unrepresentative?

Answer 13

Unrepresentative to healthy brains

Question 14

Ecological validity?

Answer 14

Unusual setting

Question 15

Generalisability?

Answer 15

Not to healthy brains, not to left handed people