News tagged with gray matter

A 3-D light switch for the brain

A new tool for neuroscientists delivers a thousand pinpricks of light to a chunk of gray matter smaller than a sugar cube. The new fiber-optic device, created by biologists and engineers at the Massachusetts ...

dateNov 19, 2012 in Optics & Photonics
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Are brains shrinking to make us smarter?

Human brains have shrunk over the past 30,000 years, puzzling scientists who argue it is not a sign we are growing dumber but that evolution is making the key motor leaner and more efficient.

dateFeb 06, 2011 in Evolution
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The real 'mommy brain': New mothers grew

Motherhood may actually cause the brain to grow, not turn it into mush, as some have claimed. Exploratory research published by the American Psychological Association found that the brains of new mothers bulked up in areas ...

dateOct 20, 2010 in Neuroscience
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Brain scans may help guide career choice

General aptitude tests and specific mental ability tests are important tools for vocational guidance. Researchers are now asking whether performance on such tests is based on differences in brain structure, and if so, can ...

dateJul 21, 2010 in Neuroscience
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