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Related Experiment Video

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Application of Granger Causality Analysis of the Directed Functional Connection in Alzheimer's Disease and Mild Cognitive Impairment

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Investigating cognitive-physical task interaction during self-paced cycling: A Granger causality study.

Chiara Avancini¹, Daniele Marinazzo², Daniel Sanabria¹

¹Mind Brain and Behavior Research Center, CIMCYC-UGR, University of Granada, Spain; Department of Experimental Psychology, University of Granada, Spain.

Psychology of Sport and Exercise

|January 27, 2025

Summary

Cognitive and physical performance interact during self-paced exercise, even in experienced athletes. Granger Causality (GC) analysis revealed bidirectional influences between reaction times and power output, highlighting complex cognitive-physical interactions.

Keywords:

Cognitive load Dual-task Physical exercise Stimulus-response conflict Top-down processing

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Area of Science:

Neuroscience
Sports Science
Cognitive Psychology

Background:

Self-paced physical exercise requires high-order cognitive processing, including attentional control for monitoring physiological feedback.
Performing cognitive tasks concurrently with exercise may lead to significant cognitive-physical interactions.

Purpose of the Study:

To investigate cognitive-physical interactions during self-paced high-intensity cycling combined with cognitive tasks.
To determine if cycling experience influences cognitive-physical interactions and dual-task effects.

Main Methods:

Applied time-domain Granger Causality (GC) analysis to data from indoor cycling and cognitive tasks (Sustained Attention to Response, stimulus-response conflict).
Compared experienced cyclists with non-experienced cyclists (trained in other endurance sports).

Main Results:

Experienced cyclists showed superior physical performance compared to non-experienced cyclists; no cognitive performance differences were found.
Bidirectional interactions between reaction times and power output were observed in a subset of cyclists, irrespective of experience.
Granger Causality (GC) proved valuable for analyzing individual-level cognitive-physical interactions.

Conclusions:

Cognitive-physical interactions are present during self-paced exercise and may not be eliminated even in highly fit athletes.
Exercise experience influences physical performance but not necessarily cognitive performance during dual-tasking.
Granger Causality (GC) is a powerful tool for dissecting the complex interplay between cognitive and physical processes during exercise.