Blakemore And Cooper

Question 1

Aim

Answer 1

To investigate the development of a kittens primary visual cortex

Question 2

Sample

Answer 2

2 kittens
One horizontal environment and one vertical

Question 3

Variables

Answer 3

IV= horizontal or vertical black and white stripes
DV= measuring behavioural and physical blindness

Question 4

Controls

Answer 4

5 hours a day
Black collar to restrict vision

Question 5

WWHF

Answer 5

W= development of visual cortex
W= 2 kittens from birth
H= kept in darkness everyday apart from 5 hours
F= kittens were taken into a well lit room and visual/physical reaction was recorded

Question 6

Behavioural finding

Answer 6

Behavioural blindness was found as kittens in the horizontal environment can’t detect vertically aligned objects

Question 7

Physiological findings

Answer 7

Physical blindness occurred as some cells were not firing e.g. kittens in the vertical environment horizontal neurons weren’t firing

Question 8

Strengths

Answer 8

High int val- collar (control)
High int rel- standardised
Quant and qual data

Question 9

Weaknesses

Answer 9

Small sample- only 2 kittens (unrepresentative)
Limited usefulness- can’t apply to humans