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Area of Science:

  • Neuroscience
  • Occupational Health

Background:

  • Occupational impact on brain structures is a growing research area.
  • Understanding how specific professions affect neuroanatomy is crucial.

Purpose of the Study:

  • To investigate the effect of flight training on the gray matter volume of pilots.
  • To determine if flight experience correlates with changes in specific brain regions.

Main Methods:

  • Structural magnetic resonance imaging (sMRI) was used to collect whole-brain data from 26 pilots and 24 controls.
  • Voxel-based morphological analysis (VBM) combined with T1 data quantified local gray matter volume.

Main Results:

  • Pilots exhibited significantly larger gray matter volume in the lingual gyrus and fusiform gyrus compared to controls (P<0.05).
  • A positive correlation was found between gray matter volume in these regions and the number of flight hours (r = 0.426, P = 0.048).

Conclusions:

  • Flight training appears to enlarge gray matter volume in the lingual and fusiform gyri.
  • These brain regions are vital for high-level visual processing and interpretation, skills essential for pilots.