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You have selected:Thinking / Cognitive Symptoms Research Update

Childhood Stress Has A Greater Genetic Impact Than Brain Injury

A young girl cradles her head in her hands sitting cross-legged on the floor

A surprising thing happened when researchers began exploring whether early-life stress compounds the effects of a childhood head injury on health and behavior later in life: In an animal study, stress changed the activation level of many more genes in the brain than were changed by a bump to the head.

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Three or more concussions linked with worse brain function in later life

Figures of neurons before and after brain injury

Experiencing three or more concussions is linked with worsened brain function in later life, according to major new research. The study – the largest of its kind - also found having just one moderate-to-severe concussion, or traumatic brain injury (TBI), can have a long-term impact on brain function, including memory.

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How Trauma Changes the Brain

abstract image of a brain with triangle line structure drawn in a starry field

Researchers are learning more about how the brain appears to rewire itself after traumatic experiences.

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Reading Triggering Traumatic Material Does Not Increase Distress Over Time

Man sitting at a table, reading on a tablet with a concerned look on his face

Ideally, trigger warnings allow individuals who have experienced trauma to be forewarned about material that may elicit unwanted memories of past traumatic events. However, some have hypothesized that trigger warnings have more costs than benefits, even for those with relevant traumas.

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Even a Mild Concussion Could Cause Long-Term Problems

Female doctor holds a tablet with an image of a brain speaking with a seated male patient

A new study published in Neurology dispels the notion that "mild" concussions have no lasting impact on mental skills like thinking, remembering, and learning. Poor cognitive outcomes are common 1 year after injury.

Depression Rates One Year After Moderate to Severe Brain Injury

Depression in Men and Women One Year Following Traumatic Brain Injury (TBI): A TBI Model Systems Study

A study comparing depression rates in men and women one year after moderate or severe TBI shows no significant gender differences in depression symptom levels. But researchers did find different patterns of other symptoms.