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How dopamine helps us learn to avoid bad outcomes

Dopamine is the brain’s motivational spark, driving us to chase what feels good, say scrolling another reel on social media, and steer clear of what doesn’t, like touching a hot stove. But scientists haven’t fully understood how dopamine helps us learn…

Listeners use gestures to predict upcoming words

In face-to-face conversations, speakers use hand movements to signal meaning. But do listeners actually use these gestures to predict what someone might say next? In a study using virtual avatars, scientists show that listeners used the avatar’s gestur…

High-fat, high-sugar diets impact cognitive function

New research links fatty, sugary diets to impaired brain function. The findings build on a growing body of evidence showing the negative impact of high-fat, high-sugar (HFHS) diets on cognitive ability, adding to their well-known physical effects.

Watching our brains remember multiple things at once

A new study offers insight into what is happening in our brains when our working memory must use its limited resources to remember multiple things. Researchers found that two parts of the brain work together to ensure that more brain resources are give…

In kids, EEG monitoring of consciousness safely reduces anesthetic use

Results of a clinical trial finds several outcomes improved for young children when an anesthesiologist observed their brain waves to guide dosing of sevoflurane during surgery.

Engineered microglia show promise for treating Alzheimer’s and other brain diseases

A new way to deliver disease-fighting proteins throughout the brain may improve the treatment of Alzheimer’s disease and other neurological disorders, according to scientists. By engineering human immune cells called microglia, the researchers have cre…

Father’s mental health can impact children for years

Five-year-olds exposed to paternal depression are more likely to have behavioral issues in grade school, researchers find.

How thoughts influence what the eyes see

A new study by biomedical engineers and neuroscientists shows that the brain’s visual regions play an active role in making sense of information.

Groundbreaking study uncovers how our brain learns

How do we learn new things? Neurobiologists using cutting-edge visualization techniques have revealed how changes across our synapses and neurons unfold. The findings depict how information is processed in our brain’s circuitry, offering insights for n…

Climate-related trauma can have lasting effects on decision-making

A new study suggests that climate trauma — such as experiencing a devastating wildfire — can have lasting effects on cognitive function.