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A2 BIOLOGICAL "BRAIN PLASTICITY" (CLASSIC (BLAKEMORE AND…
A2 BIOLOGICAL "BRAIN PLASTICITY"
CLASSIC
BLAKEMORE AND COOPER(1970) -
IMPACT OF EARLY VISUAL EXPERIENCE
PROCEDURE
RESULTS
the kittens showed 'behavioural blindness' in that the kittens raised in the horizontal environment could not detect vertically aligned objects and vice versa
METHODOLOGY
DV
visuomotor behaviour once they were placed in an illuminated environment -whether kitten from horizontal can detect verticallyalinged objects, vice versa
neurophysiological effects on the neurons in the kittens' visual cortex
METHOD & DESIGN
lab experiment independent measures design
IV
whether the kittens were reared in a horizontal or a vertical stripes environment
SAMPLE
2 kittens
CONCLUSION
the changes in neurons in the visual cortex were the results not of degeneration but of brain plasticity, as neurons matched their sensitivity to the stimulation the receive
AIM
to investigate the development of primary visual cortex of kittens raised in vertical or horizontal stripes
CONTEMPORARY
MAGUIRE(2000) -
TAXI DRIVERS
PROCEDURE
RESULTS
METHODOLOGY
DV
the structure and volume of the hippocampi
METHOD & DESIGN
quasi experiment, independent measures match-paired design
IV
London taxi driver or non-taxi driver
SAMPLE
16 right-handed, male London black cab driver(32-62, sve=44), all licensed for more than 18 months
16 right-handed, male, age matched non-taxi driver
CONCLUSION
that the structure of the brain changes in response to environmental demand
AIM
to show that the hippocampus is associated with the spatial memory and navigation