Seventy French university students were recruited for the study and told they would be participating in a three-day experiment testing the effects of brightness of video games on visual perception.

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The objective was to examine the acute effects of sedentary video game play on various components of energy balance.

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It also allows for studies on the effects of movies, television and video games on children.

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Prof Annette Karmiloff-Smith, of Birkbeck, University of London, said that rather than focusing on the possible adverse effects of TV and video games, it would be better to look at what positive impact they could have on children.

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Major new features on the iOS platform include a complete redesign of visual effects, 720p HD video, video High Dynamic Range (HDR), and a new icon for Socialcam.

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