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Type of brain cell involved in stuttering identified

Researchers believe that stuttering — a potentially lifelong and debilitating speech disorder — stems from problems with the circuits in the brain that control speech, but precisely how and where these problems occur is unknown. Using a mouse model o…

Traumas change perception in the long-term

Adults who have experienced maltreatment as children have a changed perception of social stimuli. Traumatized people found touch stimuli less comforting than people who had not experienced trauma. They also maintained a greater social distance from str…

Alzheimer’s in women: Could midlife stress play a role?

New research suggests that experiencing a stressful life event may detrimentally impact older women’s memories and put them at risk of Alzheimer’s disease.

How stress can curb the desire to eat in an animal model

Eating disorder researchers have discovered a neurocircuit in mice that, when activated, increased their stress levels while decreasing their desire to eat.

Researchers refine guidelines for pediatric brain injuries

There are no guidelines on whether a noninvasive method of measuring carbon dioxide from patients’ exhalations, known as end-tidal capnography, is as effective as drawing blood through a child’s artery. This study found that measuring the carbon dioxid…

New insights into how exercise can lift mood in depression

A new study of people with major depressive disorder suggests that the body’s endocannabinoid system plays a role in the mood-lifting effects of exercise.