Does docosahexaenoic acid supplementation in term infants enhance neurocognitive functioning in infancy?

The proposal that dietary docosahexaenoic acid (DHA) enhances neurocognitive functioning in term infants is controversial. Theoretical evidence, laboratory research and human epidemiological studies have convincingly demonstrated that DHA deficiency can negatively impact neurocognitive development....

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Main Authors: Heaton, A., Meldrum, S., Foster, Jonathan, Prescott, S., Simmer, K.
Format: Journal Article
Published: Frontiers in Human Neuroscience 2013
Subjects:
Online Access:http://hdl.handle.net/20.500.11937/20972
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author Heaton, A.
Meldrum, S.
Foster, Jonathan
Prescott, S.
Simmer, K.
author_facet Heaton, A.
Meldrum, S.
Foster, Jonathan
Prescott, S.
Simmer, K.
author_sort Heaton, A.
building Curtin Institutional Repository
collection Online Access
description The proposal that dietary docosahexaenoic acid (DHA) enhances neurocognitive functioning in term infants is controversial. Theoretical evidence, laboratory research and human epidemiological studies have convincingly demonstrated that DHA deficiency can negatively impact neurocognitive development. However, the results from randomized controlled trials (RCTs) of DHA supplementation in human term-born infants have been inconsistent. This article will (i) discuss the role of DHA in the human diet, (ii) explore the physiological mechanisms by which DHA plausibly influences neurocognitive capacity, and (iii) seek to characterize the optimal intake of DHA during infancy for neurocognitive functioning, based on existing research that has been undertaken in developed countries (specifically, within Australia). The major observational studies and RCTs that have examined dietary DHA in human infants and animals are presented, and we consider suggestions that DHA requirements vary across individuals according to genetic profile. It is important that the current evidence concerning DHA supplementation is carefully evaluated so that appropriate recommendations can be made and future directions of research can be strategically planned.
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spelling curtin-20.500.11937-209722017-09-13T13:47:28Z Does docosahexaenoic acid supplementation in term infants enhance neurocognitive functioning in infancy? Heaton, A. Meldrum, S. Foster, Jonathan Prescott, S. Simmer, K. development infant n-3LC-PUFA neurocognitive DHA The proposal that dietary docosahexaenoic acid (DHA) enhances neurocognitive functioning in term infants is controversial. Theoretical evidence, laboratory research and human epidemiological studies have convincingly demonstrated that DHA deficiency can negatively impact neurocognitive development. However, the results from randomized controlled trials (RCTs) of DHA supplementation in human term-born infants have been inconsistent. This article will (i) discuss the role of DHA in the human diet, (ii) explore the physiological mechanisms by which DHA plausibly influences neurocognitive capacity, and (iii) seek to characterize the optimal intake of DHA during infancy for neurocognitive functioning, based on existing research that has been undertaken in developed countries (specifically, within Australia). The major observational studies and RCTs that have examined dietary DHA in human infants and animals are presented, and we consider suggestions that DHA requirements vary across individuals according to genetic profile. It is important that the current evidence concerning DHA supplementation is carefully evaluated so that appropriate recommendations can be made and future directions of research can be strategically planned. 2013 Journal Article http://hdl.handle.net/20.500.11937/20972 10.3389/fnhum.2013.00774 Frontiers in Human Neuroscience unknown
spellingShingle development
infant
n-3LC-PUFA
neurocognitive
DHA
Heaton, A.
Meldrum, S.
Foster, Jonathan
Prescott, S.
Simmer, K.
Does docosahexaenoic acid supplementation in term infants enhance neurocognitive functioning in infancy?
title Does docosahexaenoic acid supplementation in term infants enhance neurocognitive functioning in infancy?
title_full Does docosahexaenoic acid supplementation in term infants enhance neurocognitive functioning in infancy?
title_fullStr Does docosahexaenoic acid supplementation in term infants enhance neurocognitive functioning in infancy?
title_full_unstemmed Does docosahexaenoic acid supplementation in term infants enhance neurocognitive functioning in infancy?
title_short Does docosahexaenoic acid supplementation in term infants enhance neurocognitive functioning in infancy?
title_sort does docosahexaenoic acid supplementation in term infants enhance neurocognitive functioning in infancy?
topic development
infant
n-3LC-PUFA
neurocognitive
DHA
url http://hdl.handle.net/20.500.11937/20972