Exercise increases levels of a chemical involved in brain cell growth, which bolsters the release of the "feel good" hormone dopamine, a new study shows. Dopamine is known to play a key role in movement, motivation, and learning.
May 16, 2022
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Understanding how memories form and are retrieved has applications to psychiatric, neurological and neurodegenerative disorders, and may be helpful to attenuate maladaptive memories in psychiatric disorders.
Sep 6, 2018
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After a certain age, approximately 40% of people experience some degree of hearing loss. While age-related hearing loss is most prevalent in adults over the age of 65, it can start occurring far earlier than that, when people ...
Hearing loss is so common in today's society, especially in older individuals, that many people question the use of doing anything to protect their hearing from noise and loud sounds. But it turns out the source of hearing ...
Jul 8, 2019
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For the first time, researchers have provided physiological evidence that a pervasive neuromodulation system—a group of neurons that regulate the functioning of more specialized neurons—strongly influences sound processing ...
Dec 20, 2020
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In a crowded room where many people are talking, such as a family birthday party or busy restaurant, our brains have the ability to focus our attention on a single speaker. Understanding this scenario and how the brain processes ...
Dec 17, 2021
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Parkinson's disease is an illness well known for its motor symptoms—tremor, stiffness, and slowness of movement. In a new paper published in The Journal of Neuroscience and featured on its cover, researchers at Yale School ...
Apr 21, 2023
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Hailed as one of the most important medical advances, the discovery of general anesthetics—compounds that induce unconsciousness, prevent control of movement and block pain—helped transform dangerous and traumatic operations ...
Apr 27, 2020
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During periods of rapid eye movement (REM) sleep, brain activity often resembles that of awake behavior. At times, the brain can actually be more active during REM sleep than when you're awake. It's why REM sleep is sometimes ...
Feb 8, 2023
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Synapses in the hippocampus are larger and stronger after sleep deprivation, according to new research in mice published in JNeurosci. Overall, this study supports the idea that sleep may universally weaken synapses that ...
Jul 1, 2019
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