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Vitamin D and executive function: a preliminary report.

Anita L Hansen1, Lisbeth Dahl, Lene Bakke

  • 1Department of Psychosocial Science, University of Bergen, Norway. anita.hansen@psysp.uib.no

Perceptual and Motor Skills
|December 22, 2011
PubMed
Summary
This summary is machine-generated.

Higher vitamin D levels were linked to better executive function in incarcerated men. This study found no impact on nonexecutive functions, suggesting vitamin D

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Area of Science:

  • Neuroscience
  • Nutritional Science
  • Public Health

Background:

  • Vitamin D deficiency is prevalent in various populations, including incarcerated individuals.
  • Cognitive function, particularly executive functions, can be affected by nutritional status.
  • Understanding these relationships is crucial for targeted health interventions.

Purpose of the Study:

  • To examine the association between vitamin D levels and cognitive functions (executive and nonexecutive) in incarcerated men.
  • To determine if vitamin D status influences performance on specific cognitive tasks.

Main Methods:

  • Cross-sectional study involving incarcerated men in a Norwegian prison.
  • Participants categorized into high (≥50 nmol/L) and low (<50 nmol/L) vitamin D groups.
  • Cognitive assessment focusing on executive and nonexecutive functions, with reaction time analysis.

Main Results:

  • The high vitamin D group demonstrated significantly more correct responses on executive function tasks compared to the low vitamin D group.
  • No significant differences were observed between groups for nonexecutive function tasks.
  • Analysis of reaction times confirmed that improved performance in the high vitamin D group was not due to a speed-accuracy trade-off.

Conclusions:

  • Adequate vitamin D levels may be associated with enhanced executive functions in incarcerated men.
  • Vitamin D status does not appear to influence nonexecutive cognitive functions in this population.
  • Findings suggest potential benefits of vitamin D supplementation for cognitive health in correctional settings.