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Research article summary:
The delivery rate of dietary carbohydrates affects cognitive performance in both rats and humans.
Abstract Extract:
RATIONALE: Glucose is the main metabolic fuel of the brain. The rate of glucose delivery from food to the bloodstream depends on the nature of carbohydrates in the diet, which can be summarized as the glycaemic index (GI). OBJECTIVES: To assess the ... (Full abstract text below) Published 2003Feb
in Journal: Psychopharmacology (Berl)
(Language : eng)
Full Pubmed Extract
This information was retrieved, real-time, on your behalf from the public area of the Pubmed website:
1. Psychopharmacology (Berl).
2003 Feb;166(1):86-90
The delivery rate of dietary carbohydrates affects cognitive performance in both rats and humans.
Benton D, Ruffin MP, Lassel T, Nabb S, Messaoudi M, Vinoy S, Desor D, Lang V
Department of Psychology, University of Wales Swansea, Singleton Park, Swansea, SA2 8PP UK.
RATIONALE: Glucose is the main metabolic fuel of the brain. The rate of glucose delivery from food to the bloodstream depends on the nature of carbohydrates in the diet, which can be summarized as the glycaemic index (GI). OBJECTIVES: To assess the benefit of a low versus high GI breakfast on cognitive performances within the following 4 h. METHODS: The influence of the GI of the breakfast on verbal memory of young adults was measured throughout the morning in parallel to the assessment of blood glucose levels. The learning abilities of rats performing an operant-conditioning test 3 h after a breakfast-like meal of various GI was also examined. RESULTS: A low GI rather than high GI diet improved memory in humans, especially in the late morning (150 and 210 min after breakfast). Similarly, rats displayed better learning performance 180 min after they were fed with a low rather than high GI diet. CONCLUSION: Although performances appeared to be only remotely related to blood glucose, our data provide evidence that a low GI breakfast allows better cognitive performances later in the morning.
PMID : 12488949 [PubMed - Indexed for MEDLINE]
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Full Author Information
| First Name | LastName | Initials |
| David | Benton | D |
| Marie-Pierre | Ruffin | MP |
| Taous | Lassel | T |
| Samantha | Nabb | S |
| Michaël | Messaoudi | M |
| Sophie | Vinoy | S |
| Didier | Desor | D |
| Vincent | Lang | V |
Affiliation: Department of Psychology, University of Wales Swansea, Singleton Park, Swansea, SA2 8PP UK.
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MESH categories and related page links
This article was linked to the MESH categories shown on the left below. The links on the right are related Memletics pages.
Category links from this article:- Adult
- Animals
- Blood Glucose - physiology
- Cognition - drug effects, physiology
- Conditioning, Operant - drug effects
- Diet
- Dietary Carbohydrates - pharmacology
- Discrimination Learning - drug effects
- Extinction, Psychological - drug effects
- Female
- Glycemic Index - physiology
- Humans
- Memory - drug effects
- Rats
- Time Factors
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