Jogging improved performance of a behavioral branching task: implications for prefrontal activation

Area of Science:

• Neuroscience
• Exercise Physiology
• Cognitive Psychology

Background:

• Frontal lobe functions are crucial for complex cognitive tasks.
• Habitual physical activity, like jogging, is increasingly recognized for its potential cognitive benefits.

Purpose of the Study:

• To investigate the impact of a 12-week habitual jogging program on frontal lobe functioning.
• To assess the effects on a prefrontal branching task (BR) and control tests.

Main Methods:

• Fourteen subjects were divided into a trained (TG) and untrained (NG) group.
• The TG engaged in 12 weeks of jogging; the NG did not.
• Cognitive performance was assessed using a prefrontal branching task (BR) and control tests (Simple Reaction Time Test, Spatial Delayed-Response Test, Go/No-Go Test).
• Maximal oxygen uptake (VO2max) was measured in the TG.

Main Results:

• The trained group (TG) showed significant improvement in the prefrontal branching task (BR) performance compared to the untrained group (NG).
• Control tests and simple reaction time remained unchanged in both groups.
• Cognitive improvements in the BR task decreased after the jogging program ceased.
• Maximal oxygen uptake (VO2max) significantly increased in the TG during the intervention period.

Conclusions:

• Habitual jogging enhances performance on tasks requiring frontal lobe functions, such as the prefrontal branching task (BR).
• The cognitive benefits derived from jogging appear to be transient and dependent on continued physical activity.
• This study highlights the direct impact of aerobic exercise on executive functions mediated by the prefrontal cortex.