got a smaple of taxi drivers who had to take a test called 'the knowledge'. This tested their recall of London streets and routes. had a control group of non taxi drivers. studied their brains usingMRI
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what did maguire find
most grey matter in the posterior hippocampus than in the matched control group
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what is this area of the brain associated with
the development of spatial and navigational skills
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what about the relationship between time doing the job and plasticity
the longer the taxi drivers had been doing the job the more profound the structural difference
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what can we conclude from Maguire's research
as the control group had a different brain structure it is clear that a different environment can play a role in impacting brain structure
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what extraneous variables affect this research
drug abuse and educational level
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why is the study reliable
use of MRI's mean replicable
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why are extraneous variables problematic
issue with internal validity so have to rely on inferences and dispositional factors
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is maguire generalisable
assuming everyones posterior hyppocampus is the same then yes but can't generanlise to other cognitive skills
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