ÌÇÐÄvlog

Kitley and colleagues aimed to characterize the features of patients with neuromyelitis optica (NMO)/NMO spectrum disorder (SD) with myelin-oligodendrocyte glycoprotein antibodies and compare them with patients with aquaporin-4 (AQP4) antibody–positive NMO/NMOSD.

Richardson and colleagues evaluated the association between serum levels of Dichlorodiphenyldichloroethylene (DDE) and Alzheimer disease (AD) and whether the apolipoprotein genotype modifies the association. DeKosky and Gandy provided a related .

Chan et al examine deep brain stimulation use in Parkinson disease to determine which factors, among a variety of demographic, clinical, and socioeconomic variables, drive DBS use in the United States.

Hedström et al investigate the possible influence of alcohol consumption on the risk of developing multiple sclerosis and relate the influence of alcohol to the effect of smoking.

Ascherio and colleagues aimed to determine whether serum concentrations of 25-hydroxyvitamin D, a marker of vitamin D status, predict disease activity and prognosis in patients with a first event suggestive of multiple sclerosis (clinically isolated syndrome).

Vardarajan et al determine the incidence rates of dementia and Alzheimer disease in unaffected family members in the NIA-LOAD/NCRAD and EFIGA family studies.

Mealy and coauthors compare the relapse and treatment failure rates among patients receiving immunosuppression for neuromyelitis optica.

Devenney et al aim to determine the frequency of the C9ORF72 mutation in a frontotemporal dementia cohort and to define the clinical, neuropsychological, behavioral, and imaging features of C9ORF72 mutation carriers in comparison with noncarriers in a well-defined behavioral variant–FTD cohort.