White matter in the brain that was previously implicated in animal studies has now been suggested to be specifically impaired in the brains of people with addiction to cocaine or heroin, according to a study conducted by ...
Oct 6, 2022
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130
Scientists at Wake Forest School of Medicine have recorded real time changes in dopamine and serotonin levels in the human brain that are involved with perception and decision-making. These same neurochemicals also are critical ...
Oct 12, 2020
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121
The brain has its own housekeeping service, a sophisticated mechanism that cleans up debris that is left over from cellular activity. But scientists have had a hard time figuring out exactly how the brain knows when to initiate ...
Jan 25, 2022
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477
Aging is a natural process that affects all living organisms, prompting gradual changes in their behavior and abilities. Past studies have highlighted several physiological factors that can contribute to aging, including ...
The emergence of autism traits can result from different factors, such as a person's environment and genetic background. FMI researchers and their Novartis collaborators showed that exposing mice with an autism mutation to ...
Feb 28, 2022
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98
Most neurons have many branching extensions called dendrites that receive input from thousands of other neurons. Dendrites aren't just passive information-carriers, however. According to a new study from MIT, they appear ...
Jun 6, 2019
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221
Why is it that someone who hasn't ridden a bicycle in decades can likely jump on and ride away without a wobble, but could probably not recall more than a name or two from their 3rd grade class?
Jul 18, 2022
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883
Oxford researchers have discovered a gene that regulates pain sensitization by amplifying pain signals within the spinal cord, helping them to understand an important mechanism underlying chronic pain in humans and providing ...
Jun 15, 2022
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114
A prevailing theory in neuroscience holds that people make decisions based on integrated global calculations that occur within the frontal cortex of the brain.
Jun 25, 2019
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1
Columbia researchers have discovered how a genetic defect leads to spinal muscular atrophy (SMA), a critical piece of information about the disease that neurologists have been seeking for decades.
Mar 22, 2023
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