In this episode of Neurology Video Journal Club, Dr. Victoria Leavitt, Department of Neurology, Columbia University Irving Medical Center, is joined by Dr. Laura Hancock, Clinical Neuropsychologist, Neurological Institute, Cleveland Clinic, to discuss an article published in the July 04, 2023 issue of Neurology: "Longitudinal Changes in Cognitive Test Scores in Patients With Relapsing Remitting Multiple Sclerosis: An Analysis of the DECIDE Dataset." DOI: 10.1212/WNL.0000000000207301 Disclosures can be found at Neurology.org.