Cortical substrates of the effects of caffeine and time-on-task on perception of effort.

@article{Morree2014CorticalSO,
  title={Cortical substrates of the effects of caffeine and time-on-task on perception of effort.},
  author={Helma Majella De Morree and Christoph Klein and Samuele M Marcora},
  journal={Journal of applied physiology},
  year={2014},
  volume={117 12},
  pages={1514-23}
}
Caffeine intake results in a decrease in perception of effort, but the cortical substrates of this perceptual effect of caffeine are unknown. The aim of this randomized counterbalanced double-blind crossover study was to investigate the effect of caffeine on the motor-related cortical potential (MRCP) and its relationship with rating of perceived effort (RPE). We also investigated whether MRCP is associated with the increase in RPE occurring over time during submaximal exercise. Twelve healthy… CONTINUE READING
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