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Can placebo and nocebo affect post-exercise executive function?

Yu-Bu Wang1, Feng Gao1,2, Lu Guo1

  • 1Beijing Sport University, School of Psychology, Beijing, China.

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Summary
This summary is machine-generated.

Positive or negative expectations and conditioning significantly impact exercise benefits for executive function. This study quantifies placebo and nocebo effects on cognitive enhancement after aerobic exercise.

Keywords:
Conditioningacute exerciseexecutive functioninduced expectationsnocebo effectplacebo effect

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Area of Science:

  • Exercise Science
  • Cognitive Neuroscience
  • Psychology

Background:

  • Aerobic exercise is known to benefit executive function.
  • Placebo and nocebo effects, driven by expectations and conditioning, can influence health outcomes.
  • The interplay between exercise, expectations, and executive function requires further investigation.

Purpose of the Study:

  • To examine the placebo and nocebo effects of conditioning and induced expectations on executive function following acute aerobic exercise.
  • To quantitatively estimate the magnitude of these psychological effects on exercise-induced cognitive benefits.
  • To understand how conditioning and induced expectations interact to modulate executive function.

Main Methods:

  • Participants underwent conditioning and received induced expectations regarding exercise effects on executive function.
  • Executive function was assessed before and after acute aerobic exercise.
  • Statistical analyses were used to determine the influence of conditioning and expectations.

Main Results:

  • Both conditioning and induced expectations significantly influenced the cognitive benefits of aerobic exercise on executive function.
  • Positive conditioning or expectations enhanced cognitive performance, while negative ones diminished it.
  • Induced expectations on executive function were not moderated by prior conditioning.

Conclusions:

  • Placebo and nocebo effects play a quantifiable role in the executive function improvements observed after aerobic exercise.
  • Understanding these psychological factors is crucial for maximizing the cognitive benefits of exercise interventions.
  • This research provides evidence for the psychological modulation of exercise-induced cognitive gains.