Neurocognitive effects of multivitamin supplementation on the steady state visually evoked potential (SSVEP) measure of brain activity in elderly women

Macpherson,H, Silberstein,R and Pipingas,A 2012, Neurocognitive effects of multivitamin supplementation on the steady state visually evoked potential (SSVEP) measure of brain activity in elderly women, Physiology and behavior, vol. 107, no. 3, pp. 346-354, doi: 10.1016/j.physbeh.2012.08.006.

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Title Neurocognitive effects of multivitamin supplementation on the steady state visually evoked potential (SSVEP) measure of brain activity in elderly women
Author(s) Macpherson,HORCID iD for Macpherson,H orcid.org/0000-0002-3603-9359
Silberstein,R
Pipingas,A
Journal name Physiology and behavior
Volume number 107
Issue number 3
Start page 346
End page 354
Total pages 9
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2012-10-10
ISSN 1873-507X
Keyword(s) Elderly
Multivitamin
Spatial working memory
SSVEP
Steady state visually evoked potential
Social Sciences
Science & Technology
Life Sciences & Biomedicine
Psychology, Biological
Behavioral Sciences
Psychology
Steady state visually evoked potential SSVEP
SPATIAL WORKING-MEMORY
COGNITIVE FUNCTION
BACOPA-MONNIERA
NERVOUS-SYSTEM
GINKGO-BILOBA
TASK
INTELLIGENCE
TOPOGRAPHY
PERFORMANCE
Summary OBJECTIVE: Growing evidence suggests that dietary supplementation with selected micronutrients and nutraceuticals may have the potential to improve cognition in older adults. Fewer studies have investigated the effects of these substances on brain activity. METHODS: This study was a randomised, double-blind, placebo-controlled trial, conducted to explore the effects of 16 weeks supplementation with a combined multivitamin, mineral and herbal formula on the steady state visually evoked potential (SSVEP) measure of brain electrical activity. Participants were elderly women aged between 64 and 79 years, with subjective memory complaints. Baseline and post-treatment SSVEP data was obtained for 22 participants in the multivitamin group and 19 in the placebo group. A spatial working memory delayed response task (DRT) was performed during the recording of the SSVEP. RESULTS: The results revealed that when compared to placebo, multivitamin supplementation delayed SSVEP latency during retrieval, interpreted as an increase in inhibitory neural processes. Behavioural performance on the DRT was not improved by the multivitamin, however improved performance accuracy was associated with increased midline central SSVEP latency. There were no multivitamin-related effects on SSVEP amplitude. CONCLUSION: These findings indicate that in the elderly, multivitamin supplementation may enhance neural efficiency during memory retrieval.
Language eng
DOI 10.1016/j.physbeh.2012.08.006
Field of Research 170299 Cognitive Science not elsewhere classified
Socio Economic Objective 920502 Health Related to Ageing
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2012, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30073135

Document type: Journal Article
Collections: Faculty of Health
School of Exercise and Nutrition Sciences
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