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Psychological power alters cognitive efficiency.

Enru Lin1, Laure Freydefont1, Petra C Schmid1

  • 1Department of Management, Technology, and Economics, ETH Zürich, Zürich, Switzerland.

Psychophysiology
|January 26, 2021
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Summary
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Powerful individuals use cognitive resources more efficiently, not necessarily more resources, to achieve goals. This enhanced cognitive efficiency may help them manage demanding roles.

Keywords:
cognitive efficiencyelectroencephalographyevent-related desynchronizationpower

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Area of Science:

  • Cognitive Neuroscience
  • Social Psychology

Background:

  • Power is associated with goal-directed cognitive processing.
  • It remains unclear if power enhances resource investment or efficiency.

Purpose of the Study:

  • To investigate the effect of power on cognitive resource investment efficiency.
  • To differentiate between resource quantity and efficiency in high-power individuals.

Main Methods:

  • Utilized electroencephalography (EEG) to measure neural activity.
  • Quantified cognitive resource use via upper alpha band event-related desynchronization (ERD).
  • Compared cognitive resource allocation in high-power versus low-power participants during task completion.

Main Results:

  • High-power participants exhibited lower neural resource utilization (less ERD) than low-power participants.
  • Task performance was comparable between high-power and low-power groups.
  • Findings indicate greater cognitive efficiency in individuals experiencing high power.

Conclusions:

  • High-power individuals demonstrate enhanced cognitive efficiency rather than increased resource investment.
  • Greater cognitive efficiency may be a key factor in managing the responsibilities of powerholders.