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Veterans Affairs Research Communications

·December 22, 2022·6 min read

Head Trauma and PTSD May Increase Genetic Variant’s Impact on Alzheimer’s Risk

The risk of developing Alzheimer's disease and dementia-related symptoms is higher in those with TBI and PTSD who carry the APOE E4 gene.

Featured Genetics Neuroscience Psychology

·July 12, 2022·9 min read

Genetic Testing May Benefit Patients With Depression

Researchers say pharmacogenomics can assist providers in determining the best antidepressant treatments for patients with depression and avoid prescribing medications that could have adverse effects.

Featured Neurology Neuroscience

·May 28, 2019·6 min read

High LDL cholesterol linked to early-onset Alzheimer’s

Elevated levels of LDL cholesterol has been linked to an increased risk of early-onset Alzheimer's disease, in those with and without a genetic risk factor. This suggests cholesterol could be an independent risk factor for dementia. Additionally, researchers identified a potential new genetic risk factor for early-onset Alzheimer's, a rare variant of the APOB gene.

Featured Neurology Neuroscience

·May 10, 2019·6 min read

VA-led study of combat personnel with brain injuries pinpoints abnormal brain waves

Neuroimaging study reveals veterans who suffered a mild traumatic brain injury (mTBI) have higher levels of fast, high-frequency gamma waves in the prefrontal and posterior parietal lobes, areas of the brain associated with consciousness, attention and problem-solving.

Featured Neurology Neuroscience Psychology

·April 30, 2019·5 min read

Brain area tied to emotions is larger in vets, service members with mild TBI and PTSD

Veterans with comorbid mild traumatic brain injury and PTSD had significantly greater amygdala volume compared to those with mTBI alone.

Featured Neuroscience

·December 28, 2018·6 min read

New Insight on How Memory Works

Study reports declarative memory depends upon conscious knowledge of what has been previously learned. Researchers discovered conscious knowledge is compromised in those with damage to the hippocampus. The findings shed new light on how the hippocampus controls the process of memory.