Neuroscience

Study Data from D.D. Garrett and Colleagues Update Understanding of Neuroscience

Published in Pain and Central Nervous System Week, May 16th, 2011

2011 MAY 16 -- "New work suggests that blood oxygen level-dependent (BOLD) signal variability can be a much more powerful index of human age than meanactivation, and that older brains are actually less variable than younger brains. However, little is known of how BOLD variability and task performance may relate," investigators in Toronto, Canada report.

"In the current study, we examined BOLD variability in relation to age, and reaction time speed and consistency in healthy younger (20-30 years) and older (56-85 years) adults on three cognitive tasks (perceptual matching, attentional cueing, and delayed match-to-sample). indicated that younger, faster, and...

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Source: Pain and Central Nervous System Week (2011-05-16)

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