Maguire (2000)

Maguire (2000)
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Storyboard Description

Ib Pysch

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  • Aim
  • Procedure
  • 16 right hand male  taxi drivers
  • license for 1.5 years passed knowledge test
  • Participants
  • Requirements
  • MRI scans of 50 right handed males, not taxi drivers
  • Procedure
  • number of years driving a taxi
  • 
  • Relationship between
  • ?
  • the anatomy of one's brain
  • See whether the brains of London taxi drivers would be different as a result of the training that they have to do to be certified
  • Procedure
  • MRI measured using voxel-based morphometry and pixel counting.
  • Sample included rage of ages so age would not be a confounding variable
  • Results
  • Pixel counting revealed that the posterior hippocampi of taxi drivers was larger relative compared to those of control subjects 
  • VBM showed that volume of right posterior hippocampi correlated with amount of time spent as a taxi driver
  • Single blind study, the researcher did not know if she was looking at the scan of a taxi driver or one's control
  • Results
  • VBM was used to measure the grey matter in brain
  • Pixel counting consists of counting pixels in images provided by the MRI scans to calculate hippocampus area
  • 
  • 
  • Posterior hippocampus is involved when previously learned spatial information is used
  • The anterior hippocampal region is involved during the encoding of new environmental layouts
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