Observing brain function via functional near-infrared spectroscopy during cognitive program training (dual task) in...

Area of Science:

• Neuroscience
• Exercise Physiology
• Cognitive Science

Background:

• Brain function is crucial for cognitive performance.
• Dual-tasking, combining physical and mental activities, may enhance brain activity.
• Understanding brain responses to combined exercise and cognitive tasks is important for optimizing training.

Purpose of the Study:

• To investigate brain function changes during a dual-task of cycling exercise and cognitive training in young males.
• To compare the effects of dual-task versus single-task cognitive training on brain activity.

Main Methods:

• Twenty young Japanese males were randomized into intervention (dual-task) and control (single-task) groups.
• The dual-task group performed cycling exercise with cognitive training; the control group performed cognitive training only.
• Functional near-infrared spectroscopy (fNIRS) measured brain function, specifically oxyhemoglobin levels, throughout the programs.

Main Results:

• Both groups showed significant increases in frontal lobe oxyhemoglobin levels post-program.
• The dual-task (intervention) group exhibited significantly greater oxyhemoglobin level increases in the prefrontal cortex and motor area compared to the single-task (control) group.

Conclusions:

• The dual-task program effectively improved hemoglobin oxygenation in the frontal lobe of young males.
• Combining cycling exercise with cognitive training (dual-task) offers enhanced benefits for brain activity in specific regions compared to cognitive training alone.