Neuroscience
- Neuroscience
Heavy marijuana use may affect dopamine response
People who regularly smoke five joints a day had dampened reactions to the chemical messenger dopamine.
- Neuroscience
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Readers weigh in on marijuana legalization, twisted twists, high-kicking frogs and more.
- Neuroscience
MRI scans reveal how the brain tells the body to pee
Scientists see heightened brain activity in men right before they urinate.
- Neuroscience
Autism may carry a benefit: a buffer against Alzheimer’s
Brain plasticity of people with autism may protect them from Alzheimer’s disease, scientists propose.
- Neuroscience
A mutated bacterial enzyme gobbles up cocaine
Cocaine is highly addictive, and those attempting to quit often relapse. Modifications to an enzyme that breaks down cocaine could help prevent abstinence setbacks.
- Neuroscience
Shaking up the body may improve attention
Just two minutes of whole body vibrations improved young adults’ attention to detail.
- Neuroscience
Alzheimer’s disease may come in distinct forms
Mouse experiments, if confirmed in people, imply that Alzheimer’s disease treatment should be personalized.
- Neuroscience
Busy brain hubs go awry in disorders, study suggests
Schizophrenia, Alzheimer’s and other brain disorders may occur when the brain’s most active hubs are damaged.
- Neuroscience
The simplest form of learning is really quite complex
Habituation, the ability to ignore irrelevant stimuli, is the simplest form of learning but may require a whole neural network.
- Neuroscience
Sunbathing may boost endorphins in the body and brain
UV light makes mice churn out a molecule that is a cousin of morphine and heroin, a finding that may explain why some people seek out sunshine.
- Neuroscience
Stress hormone kicks brain cells into gear
Norepinephrine, a stress hormone, wakes up cells called astroglia, possibly shifting brain into vigilant state.
- Genetics
How you bet is affected by your genes
When betting, people's decisions are influenced by variations in a set of genes that regulate the brain chemical dopamine.
