E-Mail IMAGE: Researchers Kuaikuai Duan and Vince Calhoun have found that neurological complications of Covid-19 patients may be linked to lower gray matter volume in the front region of the brain even... view more Credit: Vince Calhoun, Georgia Tech Covid-19 patients who receive oxygen therapy or experience fever show reduced gray matter volume in the frontal-temporal network of the brain, according to a new study led by researchers at Georgia State University and the Georgia Institute of Technology. The study found lower gray matter volume in this brain region was associated with a higher level of disability among Covid-19 patients, even six months after hospital discharge.