Memory Complaints and Brain Changes; Tau Trajectories Vary; Can Earbuds Record EEG?

Subjective memory complaints were linked with white matter hyperintensity volume changes and cognitive decline. (JAMA Network Open)

Astronauts and cosmonauts returning from long-duration spaceflight had increased volume of basal ganglia and white matter perivascular spaces. (PNAS)

Cortical tau patterns followed multiple trajectories in cognitively unimpaired people with preclinical Alzheimer’s disease. (JAMA Neurology)

Multiple sclerosis care carried an economic burden of $85.4 billion in 2019, with direct medical costs of $63.3 billion and indirect costs of $22.1 billion. (Neurology)

Small high-density lipoprotein concentrations in cerebrospinal fluid were linked with performance in three domains of cognitive function, an early study showed. (Alzheimer’s and Dementia)

U.K. regulators are investigating cases in which sodium valproate — a drug used to treat epilepsy that can cause birth defects — was prescribed without proper warnings. (The Guardian)

Scientific American looked at the writings and drawings of Santiago Ramón y Cajal, who was awarded the Nobel Prize in 1906 for his work on the structure of neurons.

The association between physical activity and gray matter volume appeared to be mediated by changes in insulin and BMI. (Neurology)

Startup company NextSense is developing earbuds that can record electroencephalographic (EEG) data. (Wired)

Lessons learned: here’s how one neurology residency program developed a progressive parental leave policy. (Neurology)