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Apathy in older folks could signal shrinking brain

Scientists believe that an elderly person’s lack of emotion and indifference to the world could be a sign his or her brain is shrinking.

New SAT adopts real-world questions, jettisons obscure words

The new model aims to show students’ mastery of concepts taught in high school rather than measure skills and words they might rarely or never use in real life.

Key brain networks may differ in autism

Neural systems tied to gauging social cues appear ‘over-connected’ in children with the disorder.

Atypical brain connectivity associated with autism spectrum disorder

Autism spectrum disorder in adolescents appears to be associated with atypical connectivity in the brain involving the systems that help people infer what others are thinking and understand the meaning of others’ actions and emotions. The ability to na…

Off-season doesn’t allow brain to recover from football hits, study says

Six months off may not be long enough for the brains of football players to completely heal after a single season, putting them at even greater risk of head injury the next season. “I don’t want to be an alarmist, but this is something to be concerned …

Beating the clock for ischemic stroke sufferers

Researchers have developed a new computer tool to ensure faster care and treatment for stroke patients. The CAD stroke technology is capable of detecting signs of stroke from computed tomography (CT) scans. A CT scan uses X-rays to take pictures of the…

Intravenously administered ketamine shown to reduce symptoms of chronic post-traumatic stress disorder

For the first time, evidence that a single dose of IV-administered ketamine was associated with the rapid reduction of symptoms of post-traumatic stress disorder in patients with chronic PTSD was demonstrated in a proof-of-concept, randomized, double b…

Syncopated rhythm may influence our desire to dance to music

Rhythmic drum patterns with a balance of rhythmic predictability and complexity may influence our desire to dance and enjoy the music, according to a study published in the open-access journal PLOS…

In old age, lack of emotion, interest may signal brain is shrinking

Older people who have apathy but not depression may have smaller brain volumes than those without apathy, according to a new study. Apathy is a lack of interest or emotion.

How kids’ brain structures grow as memory develops

Our ability to store memories improves during childhood, associated with structural changes in the hippocampus and its connections with prefrontal and parietal cortices. New research is exploring how these brain regions develop at this crucial time. Ev…