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196 matches found for "brain volume"

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Are Teenagers Wired Differently Than Adults?

With the advent of magnetic resonance imaging, or MRI, we have begun to appreciate how the brain continues to develop structurally through adolescence and on into adulthood. High emotionality is a cha...

Studies and Analyses | nachricht Read more
Analyzing structural brain changes in Alzheimer's disease

By applying the techniques to the newly completed dataset of the multi-institution Alzheimer's Disease Neuroimaging Initiative (ADNI), the scientists demonstrated that such sub-regional brain vol...

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Iowa State study finds high volume video gamers have more difficulty staying attentive

The study, published online this week in the latest issue of the professional journal Psychophysiology, also supports research published within the last year establishing a positive association betwee...

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Space observatory’s detector technology goes into single-molecule imaging

Since 1999, Yoshiyuki Takizawa has been working on the Extreme Universe Space Observatory (EUSO), an international project to develop a super wide-field telescope capable of observing large volumes of...

Physics and Astronomy | nachricht Read more
APS Podcast Updates Research on Elephant Communication

In Episode 25 of the APS podcast, Life Lines, the Stanford University professor updates her research from the APS journal Physiology, explaining how elephant vocalizations travel through the ground fo...

Life Sciences | nachricht Read more
Brain defect implicated in early schizophrenia

In the first functional magnetic resonance imaging (fMRI) study of its kind, neurologists and psychiatrists at Columbia University have identified an area of the brain involved in the earliest stages ...

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New study finds links between video-game playing and health risks in adults

Investigators from the Centers for Disease Control and Prevention (CDC), Emory University and Andrews University analyzed survey data from over 500 adults ranging in age from 19 to 90 in the Seattle-T...

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Hormone levels contribute to stress resilience

It is important to understand what biological mechanisms contribute to an individual's capacity to be resilient under conditions of extreme stress, such as those regularly experienced by soldiers...

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Holding Breath for Several Minutes Elevates Marker for Brain Damage

Divers who held their breath for several minutes had elevated levels of a protein that can signal brain damage, according to a new study from the Journal of Applied Physiology. However, the appearance...

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Memory test and PET scans detect early signs of Alzheimer's

The research found that among 85 participants in the study with mild cognitive impairment, those with low scores on a memory recall test and low glucose metabolism in particular brain regions, as dete...

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Reduced diet thwarts aging, disease in monkeys

Writing today (July 10) in the journal Science, a team of researchers at the University of Wisconsin-Madison, the Wisconsin National Primate Research Center and the William S. Middleton Memorial Veter...

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Caffeine reverses memory impairment in Alzheimer's mice

Coffee drinkers may have another reason to pour that extra cup. When aged mice bred to develop symptoms of Alzheimer's disease were given caffeine – the equivalent of five cups of coffee a day – ...

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Cerebrospinal fluid shows Alzheimer's disease deterioration much earlier

"The earlier we can catch Alzheimer's disease, the more we can do for the patient. The disease is one that progresses slowly, and the pharmaceuticals that are currently available are only ab...

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Researchers Develop Light-Treatment Device to Improve Sleep Quality in the Elderly

Researchers have long believed that the sleep disturbances common among the elderly often result from a disruption of the body’s circadian rhythms—biological cycles that repeat approximately every 24 ...

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Carnivores - Smart and social?

Packs of hunting dogs, troops of baboons, herds of antelope: when people observe social animals, they are often struck by how intelligent they seem, and recent studies suggest that sociality has playe...

Life Sciences | nachricht Read more
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