Related Experiment Videos
Increase in reaction time for the peripheral visual field during exercise above the ventilatory threshold
Soichi Ando1, Tetsuya Kimura, Taku Hamada
1Laboratory of Human Motor Control, Graduate School of Human and Environmental Studies, Kyoto University, Yoshidanihonmatsu-cho, Sakyo-ku, Kyoto-city, Japan. ando@athlete.mbox.media.kyoto-u.ac.jp
European Journal of Applied Physiology
|April 14, 2005
Summary
Reaction time (RT) for peripheral vision worsens above the ventilatory threshold (VT) during intense exercise. However, higher aerobic capacity may reduce this decline in reaction time during maximal exertion.
Area of Science:
- Exercise Physiology
- Neuroscience
- Human Performance
Background:
- Reaction time (RT) is crucial for performance and safety.
- The impact of exercise intensity on peripheral visual RT is not fully understood.
- Understanding these effects is vital for athletes and occupational safety.
Purpose of the Study:
- To investigate if peripheral visual RT increases above the ventilatory threshold (VT) during incremental exercise.
- To examine the relationship between aerobic capacity and changes in peripheral visual RT.
Main Methods:
- Nine healthy subjects performed a peripheral visual RT task at rest and during incremental cycling exercise.
- Exercise intensity increased stepwise until 240 W.
- RT was measured at rest, during exercise above VT, and post-exercise.
Main Results:
- Peripheral visual RT significantly increased at exercise intensities above VT compared to rest.
- The increase in RT from rest to maximal exercise negatively correlated with maximal oxygen uptake (VO2max).
Conclusions:
- Exercise intensity above VT impairs peripheral visual reaction time.
- Higher aerobic capacity appears to mitigate the decline in peripheral visual RT during exhaustive exercise.