Blakemoore and Cooper Flashcards

1
Q

what is one of the aims of this study?

A

look at the physiological and behavioural effects of restricted early visual experience on the development of the cells of the visual cortex

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2
Q

aim 2/2

A

Whether brain developoment occurs due to nurture rather than nature

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3
Q

What type of exp is

A

lab

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4
Q

What desgin did this exp have

A

indepednant measrues d

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5
Q

What was the IV

A

whether the kittens were rearted in a horizontal or a vertical environmental

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6
Q

the DV

A

beavioural and neurophysiological effects observed after being reared in a visuualy restricted envionment

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7
Q

sample

A

newborn kittens at the beggining
and then mature cats (after 5 months) thats when the testing phase begin

2 of the cats responses recored

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8
Q

what did the clyinders contain?

A

Horixontal lines or vertical lines

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9
Q

how much did the collar restict the view

A

130 0

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10
Q

why did the kitten wear a blakc collar

A

prevent it being able to see its own body which would have introduced new line oretinations

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11
Q

where did the kittens spend the first 2 weeks of their life

A

2 weeks in a dark room they were allowed bioncular visiojn

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12
Q

What happend after 2 weeks for the cats

A

placed in the specail appartus for an avergage of 5hrs then back to dark room

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13
Q

Why was the first routine stopped after 5 months

A

this is where the critical period is for visual development

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14
Q

What is a crtical perid

A

period in which certain changes can take place

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15
Q

results

A

temo deficit= visual placing relfexnot shown (within 10hrs in the room this prob would have been fixed_

perm defcit - (cats reached out to touch something that was far away

the cats shown each line (horizbtal or vertica) that cat will play with the rod and the other wont

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16
Q

conclusions

A

nature is modified by nurture so that biological sysemt fits the demans of the environment

the unused parts of the inate NS dont simply degnerate but they adapt to match the actual visual input experinced

17
Q

Controls

A

They had identical visual environments
Cylinders were the same diameter and length
The spent the same time in the apparatus

18
Q

Results 2.0

A

they moved around by touch rather than sight
they could not stretch their paws out when they were held and brought down towards a table.
they showed no startled responses to object that moved quickly towards them.