R
Rebecca Sheaff Greiner
Researcher at National Institutes of Health
Publications - 15
Citations - 1723
Rebecca Sheaff Greiner is an academic researcher from National Institutes of Health. The author has contributed to research in topics: Docosahexaenoic acid & Fatty acid. The author has an hindex of 14, co-authored 15 publications receiving 1670 citations.
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Journal ArticleDOI
Behavioral Deficits Associated with Dietary Induction of Decreased Brain Docosahexaenoic Acid Concentration
TL;DR: The results suggest that learning and cognitive behavior are related to brain DHA status, which, in turn, is related to the levels of themilk/dietary n‐3 fatty acids.
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Rats with low levels of brain docosahexaenoic acid show impaired performance in olfactory-based and spatial learning tasks.
TL;DR: It is indicated that rats with decreased DHA levels in the central nervous system perform poorer in these tasks compared to rats with higher DHA Levels and suggest the presence of learning deficits in these animals.
Journal ArticleDOI
Cognitive deficits in docosahexaenoic acid-deficient rats.
Janice N. Catalan,Toru Moriguchi,Burton M. Slotnick,Mahadev Murthy,Rebecca Sheaff Greiner,Norman Salem +5 more
TL;DR: Despite a 76% decrease in brain DHA, n-3-deficient rats were able to acquire most simple 2-odor discrimination tasks but were deficient in the acquisition of a 20-problem olfactory learning set, suggesting a deficit in higher order learning.
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n−3 Fatty acid deficiency decreases phosphatidylserine accumulation selectively in neuronal tissues
TL;DR: Results establish that variations in membrane 22∶6n−3 fatty acid composition have a profound influence on PS accumulation in neuronal tissues where 22∵6n −3 is abundant and have implications in neuronal signaling events where PS is believed to play an important role.
Journal ArticleDOI
Nutritional Deprivation of α‐Linolenic Acid Decreases but Does Not Abolish Turnover and Availability of Unacylated Docosahexaenoic Acid and Docosahexaenoyl‐CoA in Rat Brain
Miguel A. Contreras,Rebecca Sheaff Greiner,Michael C. J. Chang,Carol S. Myers,Norman Salem,Stanley I. Rapoport +5 more
TL;DR: Calculations using operational equations from the in vivo fatty acid method indicated that 22:6 n‐3 incorporation from plasma into brain was reduced 40‐fold by 18:3 n-3 deficiency, which is proposed to reflect altered ratios of n‐6 to n‐ 3 fatty acids.