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Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment
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Published on: September 20, 2020

Creatine supplementation does not improve cognitive function in young adults.

Eric S Rawson1, Harris R Lieberman, Talia M Walsh

  • 1Department of Exercise Science and Athletics, Bloomsburg University, Bloomsburg, PA 17815, USA. erawson@bloomu.edu

Physiology & Behavior
|June 27, 2008
PubMed
Summary
This summary is machine-generated.

Creatine supplementation did not enhance cognitive processing or psychomotor performance in healthy young adults. These findings suggest creatine may only benefit individuals with existing cognitive impairments.

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Area of Science:

  • Neuroscience
  • Nutritional Science
  • Cognitive Psychology

Background:

  • Creatine supplementation is known to benefit cognitive function in specific populations, such as older adults and sleep-deprived individuals.
  • However, its effects on cognitive processing and psychomotor performance in non-sleep-deprived young adults remain under-researched.
  • A comprehensive neurocognitive assessment is needed to clarify creatine's impact in this demographic.

Purpose of the Study:

  • To investigate the effects of creatine supplementation on cognitive processing and psychomotor performance in young adults.
  • To determine if creatine enhances neurocognitive functions in healthy, non-sleep-deprived young individuals.

Main Methods:

  • A double-blind, placebo-controlled study involving 22 young adults (21+/-2 years).
  • Participants received either creatine (0.03 g/kg/day) or a placebo for six weeks.
  • A battery of neurocognitive tests, including reaction time, memory, and reasoning tasks, was administered pre- and post-supplementation.

Main Results:

  • No significant differences were observed between the creatine and placebo groups in any cognitive or psychomotor tests.
  • There were no significant effects of time or group-by-time interactions, indicating no improvement from creatine supplementation.
  • Statistical analysis (p>0.05) confirmed the lack of cognitive enhancement in young adults.

Conclusions:

  • Six weeks of creatine supplementation at 0.03 g/kg/day does not improve cognitive processing or psychomotor performance in non-sleep-deprived young adults.
  • Creatine's cognitive benefits may be limited to populations experiencing cognitive impairment or specific stressors like sleep deprivation.