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Brain's Response Tracked by Virtual Reality
Taking advantage of state-of-the art technologies to track and mimic real-life environments, these studies show with new detail how the brain navigates, identifies, and remembers a setting. In additional human research, scientists apply these same technological advances to help people who have experienced strokes regain skills.
The results were presented at Neuroscience 2010, the annual meeting of the Society for Neuroscience and the world's largest source of emerging news on brain science and health.
Today's new findings show that:
- Activity in rats' memory-related brain areas varies with how quickly they move to explore their environments. An optogenetics study suggests that the speed with which an animal — or a person — moves in a setting could alter memories of that setting (Loren Frank, PhD, abstract 100.8, see attached summary).
- Older rats appear unable to distinguish similar objects — behavior comparable to that of elderly people, who often have memory and perception troubles. Researchers suggest the rats' actions may be similar to those of young rats with damage in specific brain regions (Sara Burke, PhD, abstract 204.5, see attached summary).
- Repeated exercise in a virtual environment helps stroke patients improve arm and hand function, according to a new human study of an interactive video game-based therapy (Sergei Adamovich, PhD, abstract 84.12, see attached summary).
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