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Revealed: Why drug users prefer heroin at home, but cocaine while out

New research shows that response of brain and emotions to addictive drugs depends on both the setting and the substance of use. The findings could change treatments for drug users to help prevent relapses.

Discovery of differences in the brains of rats classified as workers vs. slackers

Neurologists have uncovered a network of regions in the brain that are involved in determining the choice of being a ‘hard-worker’ or a ‘slacker.’ Understanding how the brain makes such decisions is one of the most fundamental questions in neuroscience…

Details of brain networks in autism

A new study analyzing more than 1,000 brain scans reveals surprising new insights into brain networks in people with autism, after applying a new personalized approach to brain mapping. The new approach provides a way to examine the location of individ…

Gene variant may increase psychiatric risk after traumatic brain injury

A gene variant known to predict Alzheimer’s risk was linked to worse psychiatric symptoms in those with a traumatic brain injury. Study participants with the gene variant and at least one TBI had more severe PTSD, anxiety, and depression, compared with…

Brain size mediates the association between height and cognitive ability

Several studies have found that height and general cognitive ability, or intelligence, are positively associated. A recent study reveals a biological factor underlying this relationship: the size of the cerebral cortex.

Snorers suffer from nerve and muscle damage in the palate

People who snore may have extensive tissue damage in the nerves and muscles of the soft palate. This can in turn create problems with swallowing and contribute to development of sleep apnea. Treatment strategies aimed at early intervention to stop snor…

Why mindful breathing keeps your brain healthy and young

New research shows that the controlled breathing that is part of meditation practices changes our brains in a way that keeps them youthful and healthy.

Noninvasive brain stimulation leads to fine motor improvement after stroke

A new analysis finds that non-invasive brain stimulation may have beneficial effects on fine motor movement in stroke patients and healthy participants.

Gadolinium deposition in the brain not dose dependent

Investigators have determined that in children receiving gadolinium as a contrast agent to enhance MRI examinations, signal changes attributed solely to deposition of this material in the brain are not dependent on the amount of gadolinium administered…

Boosting memory: Serotonin receptor may be the key

A new study dives into the hippocampus to understand more about how memories are formed. The team identified a key player: a type of serotonin receptor.