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Aerobic Exercise May Maintain Memory Skills in MS

Memory deficits are a problem for 50 percent of individuals with multiple sclerosis (MS).

Researchers say the disease causes the hippocampal area of the brain to atrophy, and sadly, there are no effective pharmacological or behavioral treatments.

New research, however, hints that aerobic exercise may help.

“Aerobic exercise may be the first effective treatment for MS patients with memory problems,” noted co-author Victoria Leavitt, Ph.D., research scientist at Kessler Foundation.

“Moreover, aerobic exercise has the advantages of being readily available, low cost, self-administered, and lacking in side effects.”

No beneficial effects were seen with non-aerobic exercise.

Leavitt noted that the positive effects of aerobic exercise were specific to memory; other cognitive functions such as executive functioning and processing speed were unaffected.

The study’s participants were two MS patients with memory deficits who were randomized to non-aerobic (stretching) and aerobic (stationary cycling) conditions.

Baseline and follow-up measurements were recorded before and after the treatment protocol of 30-minute exercise sessions 3 times per week for 3 months.

Data were collected by high-resolution MRI (neuroanatomical volumes), fMRI (functional connectivity), and memory assessment.

Aerobic exercise resulted in a 16.5 percent increase in hippocampal volume, a 53.7 percent increase in memory, and increased hippocampal resting-state functional connectivity.

Non-aerobic exercise resulted in minimal change in hippocampal volume and no changes in memory or functional connectivity.

“These findings clearly warrant large-scale clinical trials of aerobic exercise for the treatment of memory deficits in the MS population,” said co-author James Sumowski, Ph.D.

Source: Kessler Foundation

Aerobic Exercise May Maintain Memory Skills in MS

Rick Nauert PhD

Rick Nauert, PhDDr. Rick Nauert has over 25 years experience in clinical, administrative and academic healthcare. He is currently an associate professor for Rocky Mountain University of Health Professionals doctoral program in health promotion and wellness. Dr. Nauert began his career as a clinical physical therapist and served as a regional manager for a publicly traded multidisciplinary rehabilitation agency for 12 years. He has masters degrees in health-fitness management and healthcare administration and a doctoral degree from The University of Texas at Austin focused on health care informatics, health administration, health education and health policy. His research efforts included the area of telehealth with a specialty in disease management.

APA Reference
Nauert PhD, R. (2015). Aerobic Exercise May Maintain Memory Skills in MS. Psych Central. Retrieved on May 24, 2018, from https://psychcentral.com/news/2013/11/04/aerobic-exercise-may-maintain-memory-skills-in-ms/61583.html

 

Scientifically Reviewed
Last updated: 6 Oct 2015
Last reviewed: By John M. Grohol, Psy.D. on 6 Oct 2015
Published on PsychCentral.com. All rights reserved.