Black Friday: Why our brains love a bargain
Do you prefer Black Friday or Cyber Monday? The January sales or Amazon's Prime Day? Or perhaps you like to hold out for a good old-fashioned everything-must-go shop clearance.
Nov 29, 2024
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Nervous System: News and Research on Corpus Striatum
MeSH tree: A08.186.211.200.885.287.249.487
Reward-based learning—neuroscientists demonstrate dopamine and serotonin work in opposition to shape learning
If you've heard of two of the brain's chemical neurotransmitters, it's probably dopamine and serotonin. Never mind that glutamate and GABA do most of the work—it's the thrill of dopamine as the "pleasure chemical" and serotonin ...
Nov 25, 2024
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Parkinson's paradox: When more dopamine means more tremor
Researchers from the Champalimaud Foundation have shed light on the puzzling relationship between dopamine and rest tremor in Parkinson's disease, finding that preserved dopamine in certain brain regions may actually contribute ...
Nov 18, 2024
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A common steroid therapy may influence brain development in preterm infants
Antenatal corticosteroids (ACS) are an established therapy for pregnant women at risk of preterm birth to help mature the fetus's lungs and reduce the chances of serious health issues. However, researchers at Nagoya University ...
Oct 31, 2024
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Brain pathways that control dopamine release may influence motor control
Within the human brain, movement is coordinated by a brain region called the striatum, which sends instructions to motor neurons in the brain. Those instructions are conveyed by two pathways, one that initiates movement ("go") ...
Oct 23, 2024
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A histone post-translational modification linked to lifelong susceptibility to stress in mice
Chemical changes to histones, the proteins that help to pack and organize DNA inside cells, play a key role in determining what genes will be consistently activated over the course of an animal or human's life. Past studies ...
In a new study, neuroscientists spark shelter-seeking response by reactivating memory circuit
Using a sophisticated brain-imaging system, neuroscientists at Johns Hopkins Medicine say they have successfully reactivated a specific memory circuit in mice, causing them to seek out shelter when no shelter is actually ...
Oct 1, 2024
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Revealing the neuronal pathways involved in adaptive decision-making in primates
In a constantly changing world, animals, including humans, need to quickly adapt to their environment and learn to make decisions that lead to the best possible outcomes. In most cases, this type of learning happens through ...
Sep 20, 2024
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Teen brains are wired to take risks, but that can be a good thing, says expert
From movies to TV and parental anecdotes, teenagers are often characterized as risk-taking and impulsive with poor decision-making skills.
Sep 19, 2024
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Mouse study finds sex-based differences in how brains handle threats
A new study has uncovered significant differences in how male and female mice process threats, even as they exhibit similar behavioral responses.
Sep 12, 2024
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