Maguire Study

Maguire Study

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  • Quasi-experimental (Quasi) with no true IV, high ecological validity
  • Maguire wanted to see if occupation would affect the size of a person's hippocampus. The main occupation was taxi drivers, as they seem to have better spatial memory. 
  • Maguire scanned the brains of 50 right handed males, aged between 32 and 62 years old. 
  • Positive correlation between years of taxi experience, drivers and hippocampus volume
  • The aim was to see if the structure of the brain is pre-determined or malleable. Maguire was measuring the volume of the hippocampus
  • Maguire used 50 brain images from a database as her control and used MRI scans for the participants
  • The study showed that taxi drivers had a significantly larger volume of their posterior hippocampus compared to non-taxi drivers, who had a larger anterior hippocampus
  • This was also supported by a previous study concerning rodents. 
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