publication . Article . Other literature type . 2012

Faster but not smarter: effects of caffeine and caffeine withdrawal on alertness and performance

Peter J. Rogers; Susan V. Heatherley; Emma L. Mullings; Jessica E. Smith;
Open Access English
  • Published: 30 Oct 2012
  • Country: United Kingdom
Abstract
<p>Despite 100 years of psychopharmacological research, the extent to which caffeine consumption benefits human functioning remains unclear.</p><p>To measure the effects of overnight caffeine abstinence and caffeine administration as a function of level of habitual caffeine consumption.</p><p>Medium-high (n = 212) and non-low (n = 157) caffeine consumers completed self-report measures and computer-based tasks before (starting at 10:30 AM) and after double-blind treatment with either caffeine (100 mg, then 150 mg) or placebo. The first treatment was given at 11:15 AM and the second at 12:45 PM, with post-treatment measures repeated twice between 1:45 PM and 3:30 ...
Subjects
free text keywords: /dk/atira/pure/core/keywords/brain_and_behaviour, Brain and Behaviour, /dk/atira/pure/core/keywords/nutrition_and_behaviour, Nutrition and Behaviour, Caffeine, Tolerance, Withdrawal, Mental performance, Physical performance, Reaction time, Cognition, Alertness, Sleep, Anxiety, /dk/atira/pure/researchoutput/pubmedpublicationtype/D016428, Journal Article, /dk/atira/pure/researchoutput/pubmedpublicationtype/D016449, Randomized Controlled Trial, /dk/atira/pure/researchoutput/pubmedpublicationtype/D013485, Research Support, Non-U.S. Gov't, Pharmacology, Psychology, Accident prevention, Psychiatry, medicine.medical_specialty, medicine, medicine.symptom, chemistry.chemical_compound, chemistry, Abstinence, media_common.quotation_subject, media_common, Caffeine consumption, Effects of sleep deprivation on cognitive performance
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publication . Article . Other literature type . 2012

Faster but not smarter: effects of caffeine and caffeine withdrawal on alertness and performance

Peter J. Rogers; Susan V. Heatherley; Emma L. Mullings; Jessica E. Smith;