Effects of caffeine on performance and mood depend on the level of caffeine abstinence

@article{Yeomans2002EffectsOC,
  title={Effects of caffeine on performance and mood depend on the level of caffeine abstinence},
  author={Martin R. Yeomans and Tamzin L. Ripley and Laura H. Davies and Jennifer Rusted and Peter J. Rogers},
  journal={Psychopharmacology},
  year={2002},
  volume={164},
  pages={241-249}
}
Abstract Rationale. Most studies of the effects of caffeine on performance have used regular caffeine consumers who are deprived at test. Thus the reported effects of caffeine could be explained through reversal of caffeine withdrawal. Objectives. To test how preloading deprived caffeine consumers with 0, 1 or 2 mg/kg caffeine altered the subsequent ability of caffeine to modify mood and performance. Methods. Thirty moderate caffeine consumers were given a drink containing 0, 1 or 2 mg/kg… CONTINUE READING