Competing pathways affect early differentiation of higher brain structures
Sand-dwelling and rock-dwelling cichlids living in East Africa's Lake Malawi share a nearly identical genome, but have very different personalities. The territorial rock-dwellers live in communities where ...
Neuroscience
Apr 26, 2013 |
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Sleep study reveals how the adolescent brain makes the transition to mature thinking
(Medical Xpress)—A new study conducted by monitoring the brain waves of sleeping adolescents has found that remarkable changes occur in the brain as it prunes away neuronal connections and makes the major ...
Neuroscience
Mar 19, 2013 |
4.8 / 5 (6) |
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Using human brain cells to make mice smarter
Glial cells – a family of cells found in the human central nervous system and, until recently, considered mere "housekeepers" – now appear to be essential to the unique complexity of the human brain. Scientists reached ...
Medical research
Mar 07, 2013 |
3.7 / 5 (3) |
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Mouse research links adolescent stress and severe adult mental illness
Working with mice, Johns Hopkins researchers have established a link between elevated levels of a stress hormone in adolescence—a critical time for brain development—and genetic changes that, in young adulthood, cause ...
Neuroscience
Jan 17, 2013 |
5 / 5 (5) |
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Study identifies biological mechanism that plays key role in early-onset dementia
Using animal models, scientists at the Gladstone Institutes have discovered how a protein deficiency may be linked to frontotemporal dementia (FTD)—a form of early-onset dementia that is similar to Alzheimer's disease. ...
Neuroscience
Oct 08, 2012 |
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Smelling a skunk after a cold: Brain changes after a stuffed nose protect the sense of smell
Has a summer cold or mold allergy stuffed up your nose and dampened your sense of smell? We take it for granted that once our nostrils clear, our sniffers will dependably rebound and alert us to a lurking ...
Neuroscience
Aug 12, 2012 |
4.3 / 5 (6) |
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Alzheimer's risk gene disrupts brain function in healthy older women, but not men
A team led by investigators at the Stanford University School of Medicine has found that the most common genetic risk factor for Alzheimer's disease disrupts brain function in healthy older women but has little impact on ...
Alzheimer's disease & dementia
Jun 12, 2012 |
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Handful of genetic changes led to huge changes to human brain
Changes to just three genetic letters among billions led to evolution and development of the mammalian motor sensory network, and laid the groundwork for the defining characteristics of the human brain, Yale ...
Genetics
May 30, 2012 |
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People with spider phobia handle tarantulas, have lasting changes in brain after short therapy
A single brief therapy session for adults with a lifelong debilitating spider phobia resulted in lasting changes to the brain's response to fear.
Psychology & Psychiatry
May 21, 2012 |
4.8 / 5 (6) |
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Brain-imaging technique predicts who will suffer cognitive decline over time
Cognitive loss and brain degeneration currently affect millions of adults, and the number will increase, given the population of aging baby boomers. Today, nearly 20 percent of people age 65 or older suffer ...
Neuroscience
Feb 13, 2012 |
5 / 5 (6) |
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If you don't snooze, do you lose? Wake-sleep patterns affect brain synapses
An ongoing lack of sleep during adolescence could lead to more than dragging, foggy teens, a University of Wisconsin-Madison study suggests.
Neuroscience
Oct 09, 2011 |
4.6 / 5 (8) |
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Fatty foods really are mood enhancers
A new study published in the August issue of the Journal of Clinical Investigation shows just why it is that people tend to turn to fatty foods in order to boost their emotional state and reduce feelings of sadness. Be it ...
Medical research
Jul 27, 2011 |
3.9 / 5 (8) |
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Reducing caloric intake delays nerve cell loss
Activating an enzyme known to play a role in the anti-aging benefits of calorie restriction delays the loss of brain cells and preserves cognitive function in mice, according to a study published in the May ...
Neuroscience
May 21, 2013 |
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Brain region may hold key to aging
While the search continues for the Fountain of Youth, researchers may have found the body's "fountain of aging": the brain region known as the hypothalamus. For the first time, scientists at Albert Einstein ...
Neuroscience
May 01, 2013 |
4.8 / 5 (21) |
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Anti-smoking ads with strong arguments, not flashy editing, trigger part of brain involving behavior change
Researchers from the Perelman School of Medicine at the University of Pennsylvania have shown that an area of the brain that initiates behavioral changes had greater activation in smokers who watched anti-smoking ads with ...
Neuroscience
Apr 23, 2013 |
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