California Institute of Technology

Autism spectrum disorders

Gut bacteria influence autism-like behaviors in mice

Autism spectrum disorder (ASD) affects an estimated one in 59 people in the United States, causing a variety of difficulties with social communication and repetitive behavior. Many factors, including genetic and environmental ...

Psychology & Psychiatry

Scientists uncover why you can't decide what to order for lunch

If you've ever found yourself staring at a lengthy restaurant menu and been completely unable to decide what to order for lunch, you have experienced what psychologists call choice overload. The brain, faced with an overwhelming ...

Autism spectrum disorders

Probing the mysterious perceptual world of autism

The perceptual world of a person with autism spectrum disorder (ASD) is unique. Beginning in infancy, people who have ASD observe and interpret images and social cues differently than others. Caltech researchers now have ...

Neuroscience

Switching on one-shot learning in the brain

Most of the time, we learn only gradually, incrementally building connections between actions or events and outcomes. But there are exceptions—every once in a while, something happens and we immediately learn to associate ...

Neuroscience

Biomarker for Parkinson's disease may originate in the gut

Parkinson's disease (PD) is a debilitating neurodegenerative disorder, impairing the motor functions of millions of elderly people worldwide. Often, people with PD will experience disturbances in gastrointestinal function, ...

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