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Boosting mental performance with fish oil?

Date:
October 21, 2011
Source:
Northumbria University
Summary:
A particular fish oil (omega-3) supplement has been shown to improve blood flow to the brain during mental activity and to impact on certain aspects of mental performance in young adults, according to new research.

A particular fish oil (omega-3) supplement has been shown to improve blood flow to the brain during mental activity and to impact on certain aspects of mental performance in young adults, according to research from Northumbria University.

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In the first of two studies, currently available in the online edition of the British Journal of Nutrition, researchers found that overall,taking either of two different types of fish oil supplement for three months had no consistent impact on mental function in 18 -- 35-year-olds, however they did find evidence of reduced mental fatigue and faster reaction times. Contrary to popular belief, these results suggest that taking omega-3 or fish oil supplements may not have an immediate or measureable impact on mental performance in healthy young adults, possibly due to the fact that this population is already performing at its mental peak or that higher doses or longer than 12 weeks supplementation are required.

Interestingly, in the second of these studies it was found that taking DHA-rich fish oil over the same time period did increase blood flow to active areas of the brain during performance of similar mental tasks. The researchers claim these findings could have implications for mental function later on in life, as evidence suggests regularly eating oily fish or taking omega-3 supplements may prevent cognitive decline and dementia, and increased blood flow to the brain may be a mechanism by which this occurs.

As these results suggest benefits may be seen with longer term supplementation in older age groups, researchers now plan to investigate this in people between the ages of 50 and 70 to assess the impact of a fish oil supplement on their memory, mental performance and blood flow to the brain.

Lead researcher Dr Philippa Jackson said: "If we can pinpoint both the behavioural and brain blood flow effects of this fatty acid in older healthy people, then the benefits for those with mental degenerative conditions associated with normal aging could be that much greater."

Researchers are hoping to recruit more people to take part in the study to investigate the effects of DHA in older people.

They are keen to hear from individuals who are generally healthy, living in or near the Newcastle area who feel their memory is not as good as it used to be and who don't currently eat oily fish on a regular basis or take omega-3 supplements.

Participants will be asked to take a DHA-rich supplement for six months, for which they will receive 50 and a 12 month supply of the supplement.


Story Source:

The above story is based on materials provided by Northumbria University. Note: Materials may be edited for content and length.


Journal Reference:

  1. Philippa A. Jackson, Jonathon L. Reay, Andrew B. Scholey, David O. Kennedy. DHA-rich oil modulates the cerebral haemodynamic response to cognitive tasks in healthy young adults: a near IR spectroscopy pilot study. British Journal of Nutrition, 2011; 1 DOI: 10.1017/S0007114511004041

Cite This Page:

Northumbria University. "Boosting mental performance with fish oil?." ScienceDaily. ScienceDaily, 21 October 2011. <www.sciencedaily.com/releases/2011/10/111021074640.htm>.
Northumbria University. (2011, October 21). Boosting mental performance with fish oil?. ScienceDaily. Retrieved January 28, 2015 from www.sciencedaily.com/releases/2011/10/111021074640.htm
Northumbria University. "Boosting mental performance with fish oil?." ScienceDaily. www.sciencedaily.com/releases/2011/10/111021074640.htm (accessed January 28, 2015).

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