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How online video stream quality affects viewer behavior

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TechAndComputer (Nov. 13, 2012) — It may seem like common sense that the quality of online video streaming affects how willing viewers are to watch videos at a website. But until computer science researcher Ramesh Sitaraman at the University of Massachusetts Amherst and collaborators at Akamai developed a way to rigorously study the question, no one had been able to scientifically test the assumption.

They conducted the first large-scale study of its kind to quantitatively demonstrate how video stream quality causes changes in viewer behavior. "Video stream quality is a very big topic of interest," says Sitaraman. "Anyone who provides online video content, from the major news channels to sports and movie outlets, is worried...

Video game with biofeedback teaches children to curb their anger

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TechAndComputer (Oct. 24, 2012) — Children with serious anger problems can be helped by a simple video game that hones their ability to regulate their emotions, finds a pilot study at Boston Children's Hospital. Results were published online October 24 in the journal Adolescent Psychiatry.

Noticing that children with anger control problems are often uninterested in psychotherapy, but very eager to play video games, Jason Kahn, PhD, and Joseph Gonzalez-Heydrich, MD, at Boston...

Blind people develop accurate mental map by playing 'video' game

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TechAndComputer (Sep. 19, 2012) — Researchers have developed a new "video" game for blind people that can help them learn about a new space using only audio cues, as reported Sept. 19 in the open access journal PLOS ONE.

The system, developed by a team led by Lotfi Merabet of Harvard Medical School and Jaime Sánchez of the University of Chile, is called the Audiobased Environment Simulator and uses only audio-based cues to allow blind users to learn about the layout of a...

Serious games could be integrated into surgical training subject to validation

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TechAndComputer (Sep. 11, 2012) — Serious gaming can be used to enhance surgical skills, but games developed or used to train medical professionals need to be validated before they are integrated into teaching methods, according to a paper in the October issue of the surgical journal BJS.

Researchers from The Netherlands reviewed 25 research studies covering 30 serious games published between 1995 and 2012.

"Many medical professionals may still have a rather out-dated view of...

'Exergames' not perfect, but can lead to more exercise

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TechAndComputer (Aug. 8, 2012) — Active video games, also known as "exergames," are not the perfect solution to the nation's sedentary ways, but they can play a role in getting some people to be more active. Share This: See Also: Health & MedicineFitnessHealthy AgingSports MedicineComputers & MathVideo GamesMath PuzzlesCommunicationsLiving Well Reference Anaerobic exerciseAerobic exerciseGeneral fitness trainingPhysical...