A new University of Liverpool study, published in Wiley Brain and Behaviour, identifies simple measures that could substantially improve the quality of life of stroke survivors with visual impairments.

About two thirds of stroke survivors have visual impairment which typically relates to impaired central or peripheral vision, eye movement abnormalities, or visual perceptual defects.

Symptoms can include blurred or altered vision, double or jumbled vision, loss of visual field, reading difficulty, inability to recognize familiar objects or people and glare. Post stroke visual impairment (PSVI) is currently an under researched area.

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The overall rate of stroke in the United States has been declining in recent years and while that has been good news, a new study suggests it may be primarily good news for men. The research, published in the August 9, 2017, online issue of Neurology®, the medical journal of the American Academy of Neurology, found that while the stroke rate for men declined during the study period, for women it remained the same.

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In the largest functional brain imaging study to date, the Amen Clinics (Newport Beach, CA) compared 46,034 brain SPECT (single photon emission computed tomography) imaging studies provided by nine clinics, quantifying differences between the brains of men and women. The study is published in the Journal of Alzheimer’s Disease.

Lead author, psychiatrist Daniel G. Amen, MD, founder of Amen Clinics, Inc., commented, “This is a very important study to help understand gender-based brain differences. The quantifiable differences we identified between men and women are important for understanding gender-based risk for brain disorders such as Alzheimer’s disease. Using functional neuroimaging tools, such as SPECT, are essential to developing precision medicine brain treatments in the future.”

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