Add blueberry smoothies and shakes to your child’s diet for better attention in school - Hindustan Times
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Add blueberry smoothies and shakes to your child’s diet for better attention in school

Press Trust of India, London | By
Oct 15, 2017 02:03 PM IST

Blueberries are rich in flavonoids, which are compounds found naturally in foods such as fruits and their juices, vegetables and tea.

Parents, you may want to read this to help your child do better in school. Eating flavonoid-rich blueberries could improve attention of primary school children, a study has found. For the study, a group of 7-10 year olds consumed a drink containing wild blueberries or a matched placebo. They were tested on their speed and accuracy in completing an executive task function on a computer.

Eating flavonoid-rich blueberries could improve attention of primary school children.(Shutterstock)
Eating flavonoid-rich blueberries could improve attention of primary school children.(Shutterstock)

The trial found that the children who consumed the flavonoid-rich blueberry drink had 9% quicker reaction times on the test without any sacrifice of accuracy. In particular, the effect was more noticeable as the tests got harder.

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“This is the first time that we have seen the positive impact that flavonoids can have on the executive function of children,” said Claire Williams, a professor at the University of Reading in the UK. “We designed this double blind trial especially to test how flavonoids would impact on attention in young people as it’s an area of cognitive performance that hasn’t been measured before,” said Williams.

“We used wild blueberries as they are rich in flavonoids, which are compounds found naturally in foods such as fruits and their juices, vegetables and tea,” she said.

The children were then asked to pay attention to an array of arrows shown on a PC screen and press a key corresponding to the direction that the central arrow was facing. The task was repeated over a number of trials, where cognitive demand was manipulated by varying how quickly the arrows appeared, whether there were additional arrows appearing either side of the central arrow, and whether the flanking arrows were pointing in the same/different direction as the central arrow.

The trial used a flavonoid-rich wild blueberry drink, with a matched placebo contained 8.9 grammes of fructose, 7.99 grammes of glucose and four milligrammes of vitamin C matching the levels of nutrients found in the blueberry drink.

The amount of fructose is akin to levels found in a standard pear. The task required participants to pay attention to stimuli appearing on screen and responding correctly. It involved responding to the direction of an arrow in the middle of a screen by pressing arrow keys. The pace and complexity of the task was gradually increased.

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