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Study on resting-state brain network alterations in flight trainees based on independent component analysis.

Lu Ye1, Liya Ba2, Haiqing Si3

  • 1College of Geheral Aviation and Flight, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China; Institute of Flight Technology, Civil Aviation Flight University of China, Guanghan 618307, China.

Neuroscience
|May 31, 2025
PubMed
Summary

Flight trainees show altered brain activity in attention networks, linked to improved cognitive performance. These findings suggest professional flight training induces adaptive brain changes.

Keywords:
Flight traineesIndependent component analysisResting-state fMRI

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Aerospace Medicine

Background:

  • Professional training, such as flight training, can induce significant neuroplastic changes.
  • Understanding these brain alterations is crucial for optimizing training protocols and pilot well-being.

Purpose of the Study:

  • To investigate functional brain network differences in flight trainees compared to controls.
  • To explore the relationship between brain activity and cognitive performance in flight trainees.

Main Methods:

  • Resting-state functional magnetic resonance imaging (fMRI) was used.
  • Independent Component Analysis (ICA) was applied to resting-state fMRI data.
  • Statistical analyses, including correlation with cognitive tests (Berg Card Sorting Test - BCST), were performed.

Main Results:

  • Flight trainees exhibited increased activation in the right calcarine fissure within the ventral attention network.
  • This increased activation positively correlated with correct response rates on the BCST.
  • A negative correlation was observed between this brain region's activity and BCST perseverative errors.

Conclusions:

  • The observed brain activity changes in flight trainees are likely adaptive responses to high attentional demands.
  • Flight trainees demonstrate enhanced executive function and attention allocation abilities.
  • Professional activities like flight training can lead to measurable, beneficial functional brain adjustments.