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Intensity-Dependent Influence of Interoceptive Accuracy on Psychophysiological Responses During Aerobic Exercise in
Luiz Fernando Farias-Junior1, Daniel Gomes da Silva Machado2, Pedro Moraes Dutra Agrícola3
1Graduate Program in Psychobiology, Federal University of Rio Grande do Norte, Natal, Brazil.
Perceptual and Motor Skills
|June 6, 2023
Summary
Interoceptive accuracy influences exercise feelings, but only at moderate intensity. Good heartbeat perception in men led to lower affective valence and higher perceived exertion during moderate aerobic exercise.
Area of Science:
- Exercise Physiology
- Psychophysiology
- Interoception Research
Background:
- Interoception, the sense of the body's internal state, plays a role in emotional and physiological regulation.
- Understanding how interoceptive accuracy affects exercise responses is crucial for optimizing physical activity experiences.
Purpose of the Study:
- To investigate the impact of interoceptive accuracy on affective valence, arousal, and perceived exertion during aerobic exercise in physically inactive men.
- To determine if these effects differ between moderate and heavy exercise intensities.
Main Methods:
- Participants were categorized into good (GHP) and poor (PHP) heartbeat perception groups based on cardioceptive accuracy.
- Physiological (%HRreserve, arousal) and psychometric (affective valence, RPE) measures were collected every five minutes during 20 minutes of cycling at moderate and heavy intensities.
Main Results:
- During moderate-intensity exercise, the GHP group reported significantly lower affective valence and higher ratings of perceived exertion (RPE) compared to the PHP group.
- No significant group differences were observed in %HRreserve or arousal during moderate-intensity exercise.
- Neither affective valence, arousal, nor RPE differed between groups during heavy-intensity exercise.
Conclusions:
- Interoceptive accuracy influences psychophysiological responses to aerobic exercise, specifically affective valence and RPE, but this effect is intensity-dependent.
- These findings suggest that individuals with better interoception may experience exercise less positively at moderate intensities.
- Intervention strategies could be tailored based on interoceptive abilities to improve exercise adherence.
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