Neuroscience

Neuroscientists demonstrate flexibility of innate behavior

Some behaviors that are crucial to survival appear to be hard-wired, meaning that they occur without previous experience. For example, many prey organisms naturally know how to escape to safety from perceived threats. However, ...

Neuroscience

Researchers discover how hormones define brain sex differences

Sex hormones play an important role in shaping an animal's behavior, and their influence starts early. Early-life hormonal surges help shape the developing brain, establishing circuitry that will influence behavior for a ...

Neuroscience

Some autism spectrum disorder symptoms linked to astrocytes

Abnormalities in a type of brain cell called astrocytes may play a pivotal role in causing some behavioral symptoms of autism spectrum disorders, according to a preclinical study by Weill Cornell Medicine investigators.

Alzheimer's disease & dementia

Cross-racial study of 1.87m vets shows wide disparities in dementia

In what is believed to be the largest study to date on race and dementia, researchers from UCSF and the San Francisco Veterans Affairs Health Care System tracked health and demographic data from close to two million veterans. ...

Genetics

A 'social' gene in fish could contain new clues to autism

Zebrafish are social creatures. When they see another member of their species, they'll orient towards them and swim closer, much like a human at a cocktail party turning to face someone who's telling a joke over a plate of ...

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