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Gene variant increases empathy-driven fear in mice

A small difference in a gene affecting brain circuitry explains variations in empathic fear among different inbred mice strains. As empathy is evolutionarily conserved from rodents to humans, the study brings new insights into the workings of the mamma…

Decision-making predicts future drug addiction in recreational users

Activity in decision-making brain regions of people who use recreational stimulants predicts who will discontinue use and who will develop a drug use disorder, according to a new study.

Tai Chi improves brain metabolism and muscle energetics in older adults, study finds

A new study provides insights into the biochemical mechanisms by which Tai Chi — a mind-body exercise — may provide both physical and psychological benefits.

Scientific guidelines for using cannabis to treat stress, anxiety and depression

In a first-of-a-kind study, scientists examined how peoples’ self-reported levels of stress, anxiety and depression were affected by smoking different strains and quantities of cannabis at home.

A single concussion may increase risk of Parkinson’s disease

People who have been diagnosed with a mild concussion, or mild traumatic brain injury, may have a 56 percent increased risk of developing Parkinson’s disease.

Brain processes sight and sound in same manner

Neuroscientists have found that the human brain learns to make sense of auditory and visual stimuli in the same two-step process.

Brain scans may help diagnose neurological, psychiatric disorders

A new study shows that individual brain networks are remarkably stable from day to day and while undertaking different tasks, suggesting that they could potentially form the basis of diagnostic tests for brain disorders or diseases.

Why is it harder for females to gain weight?

Why is it harder for females to gain weight? A new study proposes that part of the answer may be in the brain.

Brain networks: Keeping the excitement under control

Scientists are using advanced techniques to monitor the activity of networks of single sensory neurons in the brain. By listening in on hundreds of conversations, the scientists have discovered how a single signal from one cell manages to attract atten…

Overcoming bias about music takes work

Expectations and biases play a large role in our enjoyment of experiences such as art and wine. Now, researchers have found that simply being told that a performer is a professional or a student changes the way the brain responds to music, and overcomi…