Key result
Higher aerobic fitness was associated with faster reaction times, greater P3 amplitude, and shorter P3 latency, with P3 amplitude mediating the relationship between fitness and attention.
Why the study?
Does aerobic fitness improve cognitive performance in young adults?
Cross-Sectional (n=48)
Does aerobic fitness improve cognitive performance in young adults?
Higher aerobic fitness in young adults is associated with faster reaction times and altered brain potentials, with P3 amplitude mediating the fitness-attention relationship.
Association in young adults does not support practice change; leaves open causality and need for interventional trials.
This study aimed to assess whether brain potentials have significant influences on the relationship between aerobic fitness and cognition. Behavioral and electroencephalographic (EEG) data was collected from 48 young adults when performing a Posner task. Higher aerobic fitness is related to faster reaction times (RTs) along with greater P3 amplitude and shorter P3 latency in the valid trials, after controlling for age and body mass index. Moreover, RTs were selectively related to P3 amplitude rather than P3 latency. Specifically, the bootstrap-based mediation model indicates that P3 amplitude mediates the relationship between fitness level and attention performance. Possible explanations regarding the relationships among aerobic fitness, cognitive performance, and brain potentials are discussed.
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Wang et al. (2016) reported a cross-sectional. Aerobic fitness was evaluated on Reaction times (RTs) and P3 amplitude/latency during a Posner task. Higher aerobic fitness was associated with faster reaction times, greater P3 amplitude, and shorter P3 latency, with P3 amplitude mediating the relationship between fitness and attention.
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