JULY 8, 2015 - DALLAS, TX - An estimated 2.3 million individuals are living with multiple sclerosis (MS) worldwide. Approximately half of all individuals with MS experience changes in cognition such as impaired concentration, attention, memory, and judgment. The underlying brain basis for these deleterious effects has been largely elusive. New findings published yesterday in Neuropsychology reveal that decreased connectivity between network-specific brain regions are to blame for the central deficit common to the various cognitive changes associated with MS, slowed cognitive speed. Read on.