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Asunto:[LEA-Venezuela] Internet mejor que libros pa' los viejitos !!!
Fecha:Sabado, 18 de Octubre, 2008  09:22:14 (-0400)
Autor:Euro Murzi <murzie>

Internet use 'good for the brain'

Compared with reading

Each volunteer underwent a brain scan while performing web searches and book-reading tasks.

Both types of task produced evidence of significant activity in regions of the brain controlling language, reading, memory and visual abilities.

However, the web search task produced significant additional activity in separate areas of the brain which control decision-making and complex reasoning - but only in those who were experienced web users.

The researchers said that, compared to simple reading, the internet's wealth of choices required people to make decisions about what to click on in order to get the relevant information.

Professor Smith said: "A simple, everyday task like searching the web appears to enhance brain circuitry in older adults, demonstrating that our brains are sensitive and can continue to learn as we grow older."

Rebecca Wood, chief executive of the Alzheimer’s Research Trust, said: "These fascinating findings add to previous research suggesting that middle-aged and older people can reduce their risk of dementia by taking part in regular mentally stimulating activities.

"Frequent social interactions, regular exercise and maintaining a balanced diet can also reduce dementia risk."

Dr Susanne Sorensen, head of research at the Alzheimer's Society, said: "Use it or lose it may well be a positive message to keep people active but there is very little real evidence that keeping the brain exercised with puzzles, games or other activities can promote cognitive health and reduce the risk of dementia."