MeSH tree: A08.186.211.132.659.473
Scientists from the Max Planck Institute of Psychiatry measured the pupillary reaction of participants while they were solving a task. In healthy participants, the pupils dilated during the task in anticipation of a reward, ...
Jan 12, 2024
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Researchers at the University of Wisconsin–Madison have identified a protein key to the development of a type of brain cell believed to play a role in disorders like Alzheimer's and Parkinson's diseases and used the discovery ...
Nov 17, 2023
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Our pupils are a mirror of our state of arousal: they dilate when we are tense, stressed or even panicky, and constrict when we calm down. Key to this is an area of the brain measuring about 15 millimeters: a nucleus in the ...
Oct 30, 2023
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An international team of researchers has provided valuable insights into the brain's noradrenaline (NA) system, which has been a longtime target for medications to treat attention deficit hyperactivity disorder, depression, ...
Oct 23, 2023
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Mild exercise results in a feeling of mental clarity and enhances cognition and memory. A possible mechanism behind such effects is the activation of the arousal center in the brainstem, thereby elevating the arousal level ...
Oct 2, 2023
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Researchers at the University of Liège (BE) Institute are using ultra-high field 7 Tesla MRI to provide a better understanding of how sleep is regulated.
Sep 23, 2023
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Researchers at The University of Texas at El Paso have successfully mapped specific regions in the brain that are activated in association with changes in blood sugar—also known as glucose—providing fundamental location ...
May 24, 2023
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A small nucleus in the brainstem called locus coeruleus (literally the "blue spot,") is the primary source of a major neuromodulator, norepinephrine (NE), an important mediator of the 'fight or flight' response in animals. ...
Mar 16, 2023
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Kickstarting the brain's natural ability to adjust to new circumstances, or neuroplasticity, improves how effectively a cochlear implant can restore hearing loss, a new study in deaf rats shows. The investigation, researchers ...
Dec 21, 2022
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The locus coeruleus is among the first brain regions to degenerate in Alzheimer's and Parkinson's disease, physicians and scientists have known. But why this area is so vulnerable is less understood.
Sep 1, 2022
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