- The effects of 7.5% carbon dioxide inhalation on task performance in healthy volunteersAlison Diaper
Psychopharmacology Unit, University of Bristol, Bristol, UK
J Psychopharmacol 26:487-96. 2012..Therefore, inhalation of 7.5% CO(2) produces effects on task performance which are consistent with anxiety...
- A double-blind, placebo-controlled investigation of the effects of two doses of a valerian preparation on the sleep, cognitive and psychomotor function of sleep-disturbed older adultsA Diaper
HPRU Medical Research Centre, University of Surrey, Guildford, Surrey, UK
Phytother Res 18:831-6. 2004..However, valerian is widely used, and is traditionally sedative. Therefore, more research is required into therapeutic dose, types of valerian preparation, and the optimum period of use for therapeutic effect...