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ChatGPT on the couch? How to calm a stressed-out AI

Distressing news and traumatic stories can cause stress and anxiety — not only in humans, but these stories can also affect AI language models, such as ChatGPT. Researchers have now shown that these models, like humans, respond to therapy: an elevated…

Novel research shows brain connections can predict future substance use in adolescents

Adolescent substance use is a significant predictor of future addiction and related disorders. Understanding neural mechanisms underlying substance use initiation and frequency during adolescence is critical for early prevention and intervention. A nov…

Obesity starts in the brain

A study has provided new insights into the role of the brain as a crucial control center and the origin of obesity and type 2 diabetes. The hormone insulin plays a key role in the development of obesity. The brain’s sensitivity to insulin is associated…

Physical activity linked to lower risk of dementia, sleep disorders, other diseases

People who get moderate to vigorous physical activity may be less likely to develop dementia, stroke, anxiety, depression, and sleep disorders, according to a preliminary study.

New 4D Brain Map reveals potential early warning signs of multiple sclerosis

Using an animal model of multiple sclerosis (MS), researchers have created a four-dimensional brain map that reveals how lesions similar to those seen in human MS form. These findings provide a window into the early disease state and could help identif…

Scientists discover key protein in resilience to stress

When faced with chronic stress, why do some people develop anxiety and depressive symptoms while others show resilience? A protein that acts as a cannabinoid receptor and is present in the structure controlling exchanges between the bloodstream and the…

Nasal spray shows preclinical promise for treating traumatic brain injury

A new study suggests a nasal spray developed to target neuroinflammation could one day be an effective treatment for traumatic brain injury (TBI). By studying the effects of the nasal anti-CD3 in a mouse model of TBI, researchers found the spray could …

Trying to be happy makes us unhappier by zapping our self-control, study finds

A new study finds people who habitually try to be happier also tend to have less willpower.

Neurons gather together for vision

As in larger brains, mouse visual cortex neurons with the same function cluster in columns.

Researchers challenge textbook ideas of how the brain specifies movement

Using a novel system, researchers found that a part of the basal ganglia called the striatum is not involved in action selection as previously thought. Instead, the striatum and the motor cortex work together to specify movement parameters to carry out…