(Medical Xpress) -- In threatening situations, the brain adapts within seconds to prepare for an appropriate response. Some regions are temporarily suppressed. Others become more active and form temporarily alliances for ...
Nov 25, 2011
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Experiencing a frightening event is likely something you'll never forget. But why does it stay with you when other kinds of occurrences become increasingly difficult to recall with the passage of time?
May 30, 2022
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Researchers at ETH Zurich have shown for the first time that selective release of the neurotransmitter noradrenaline reconfigures communication between large-scale networks in the brain. Their findings provide insights into ...
Jul 25, 2019
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Narcolepsy is a disorder caused by losing orexin neurons, marked by excessive daytime sleepiness and cataplexy, and sudden weakening of muscle control. Previously, we found two kinds of neurons preventing narcolepsy by receiving ...
May 15, 2017
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Ultra-powerful 7T MRI scanners could be used to help identify those patients with Parkinson's disease and similar conditions who are most likely to benefit from new treatments for previously-untreatable symptoms, say scientists.
May 16, 2022
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Emotional learning can create strong memories and powerful emotional responses, but flexible behavior demands that these responses be inhibited when they are no longer appropriate. Scientists at the RIKEN Brain Science Institute ...
Sep 18, 2017
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When your brain needs you to pay attention to something important, one way it can do that is to send out a burst of noradrenaline, according to a new MIT study.
Jun 1, 2022
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How can we shift from a state of inattentiveness to one of highest attention? The locus coeruleus, literally the "blue spot," is a tiny cluster of cells at the base of the brain. As the main source of the neurotransmitter ...
Jan 7, 2022
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You wake up. The alarm clock says 02:56.
Jul 14, 2022
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Crystal meth has at least two faces, in common with those people unfortunate enough to succumb to its charms, as these horrific before-and-after pics show. I'd like to look at the drug chemically, to shine a light on what ...
Aug 28, 2013
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