Brain MRI findings of French patients with severe COVID-19 and without ischemic infarcts followed eight distinctive patterns, with 43% of scans showing signal abnormalities in the medial temporal lobe. (Radiology)
Emergency department visits for stroke dropped by 20% in the 10 weeks after the U.S. declared the COVID-19 national emergency, CDC researchers reported. (MMWR)
Early immunosuppressive treatment improved the disease course of cerebral amyloid angiopathy-related inflammation and reduced recurrence. (JAMA Neurology)
A neurologist confronts his diagnosis: "I could feel Parkinson's disease creeping up on me." (Practical Neurology)
In a win for generics company Mylan, a federal judge ruled that certain claims of Biogen's patent protecting dimethyl fumarate (Tecfidera), a multiple sclerosis drug, were invalid. Biogen will appeal the decision. (FiercePharma)
Of 16 leading hearing aid brand sites, six suggested their products could prevent or delay dementia. (JAMA Otolaryngology)
People with Alzheimer's disease or amnestic mild cognitive impairment experienced no cognitive benefit from a year of intranasal insulin treatment, but the trial was complicated by problems with the intranasal device. (JAMA Neurology)
Combining four to five healthy lifestyle factors -- exercise, quality diet, light to moderate alcohol consumption, not smoking, and late-life cognitive activities -- was linked to a 60% reduced risk for Alzheimer's dementia. (Neurology)
Concussion-free female rugby players showed changes in white matter diffusion and fMRI network connectivity in both cross-sectional and longitudinal studies. (Neurology)
The ReActiv8 neurostimulation system for chronic low back pain won FDA approval, Mainstay Medical announced.
How fentanyl maker Insys bribed doctors and made millions: Financial Times and PBS series "Frontline" investigate why warning signs were ignored.
William Dement, MD, PhD, who helped create the field of sleep medicine, died in his sleep at age 91.