ProHealth fibromyalgia Vitamin and Natural Supplement Store and Health
Log In  |  My Account  |  View Cart  View Your ProHealth Vitamin and Supplement Shopping Cart
800-366-6056  |  Contact Us  |  Help

|
|
|

Trending News

Gastrointestinal Problems in Fibromyalgia

New Restrictions on Painkillers: Tramadol and Hydrocodone

The Fibromyalgia Energy Crisis: A Balancing Act

The 2013 Fibromyalgia Alternative Diagnostic Criteria: Interpretation for Patients and Providers

Alzheimer's Drug May Benefit Fibromyalgia Patients

Nerves, Estrogen, Dr. Mikovits and Paradoxes: The INTiDYN Approach to Fibromyalgia and Chronic Fatig...

Hypersensitivity to Non-Painful Events May be Part of Pathology in Fibromyalgia

Energy-Boosting Fibromyalgia Superfoods

SURVEY RESULTS: Pain Treatments

Management of Fibromyalgia Syndrome: Review of Evidence

 
Print Page
Email Article

ME/CFS cognitive impairment linked to reduced vagus nerve control of heart rate

  [ 11 votes ]   [ Discuss This Article ]
www.ProHealth.com • November 15, 2012


Article:
Reduced Cardiac Vagal Modulation Impacts on Cognitive Performance in Chronic Fatigue Syndrome – Source: PloS ONE, Nov 14, 2012

By Alison Beaumont, Ute Vollmer-Conna, et al.

[Note: the full text of this free access article, linking reduced heart rate responsiveness to cognitive impairment in CFS, is available HERE.]

Abstract:
Background: Cognitive difficulties and autonomic dysfunction have been reported separately in patients with chronic fatigue syndrome (CFS). A role for heart rate variability (HRV) in cognitive flexibility has been demonstrated in healthy individuals, but this relationship has not as yet been examined in CFS. The objective of this study was to examine the relationship between HRV and cognitive performance in patients with CFS.

Methods: Participants were 30 patients with CFS and 40 healthy controls; the groups were matched for age, sex, education, body mass index, and hours of moderate exercise/week. Questionnaires were used to obtain relevant medical and demographic information, and assess current symptoms and functional impairment. Electrocardiograms, perceived fatigue/effort and performance data were recorded during cognitive tasks. Between-group differences in autonomic reactivity and associations with cognitive performance were analysed.

Results: Patients with CFS showed no deficits in performance accuracy, but were significantly slower than healthy controls. CFS was further characterized by low and unresponsive HRV; greater heart rate (HR) reactivity and prolonged HR-recovery after cognitive challenge. Fatigue levels, perceived effort and distress did not affect cognitive performance. HRV was consistently associated with performance indices and significantly predicted variance in cognitive outcomes.

Conclusions: These findings reveal for the first time an association between reduced cardiac vagal tone and cognitive impairment in CFS and confirm previous reports of diminished vagal activity.

Source: PloS One, Nov 14, 2012. By Beaumont Alison, Burton AR, Lemon J, Bennett BK, Lloyd A, vollmer-Conna U. School of Psychiatry, University of New South Wales, Sydney, New South Wales, Australia; School of Medical Sciences, University of New South Wales, Sydney; Department of Medical Oncology, Prince of Wales Hospital, Sydney; Inflammation and Infection Research Centre, School of Medical Sciences, University of New South Wales, Sydney, New South Wales, Australia. [E-mail: ute@unsw.edu.au]




Please Discuss This Article:   Post a Comment 



[ Be the first to comment on this article ]




 
Free Chronic Fatigue Syndrome and Fibromyalgia Newsletters
Subscribe to
Our FREE
Newsletter
Subscribe Now!
Receive up-to-date ME/CFS & Fibromyalgia treatment and research news
 Privacy Guaranteed  |  View Archives

Free Shipping on Nutritional Supplement Orders

Featured Products

FibroSleep™ by ProHealth FibroSleep™ by ProHealth
The All-in-One Natural Sleep Aid
Hydroxocobalamin Extreme™ Hydroxocobalamin Extreme™
The B-12 your brain needs for detox & sharpness
Energy NADH™ 12.5mg Energy NADH™ 12.5mg
Improve Energy & Cognitive Function
Fibro Freedom™ Fibro Freedom™
Soothes, strengthens & revitalizes
B-12 Extreme™ B-12 Extreme™
The Most Potent Vitamin B-12 on Earth

Natural Remedies

Are You Obtaining the Proper Enzymes? Are You Obtaining the Proper Enzymes?
Magnesium + Malic Acid: One-Two Punch for Pain & Fatigue Magnesium + Malic Acid: One-Two Punch for Pain & Fatigue
A Breakthrough for Mitochondrial Dysfunction A Breakthrough for Mitochondrial Dysfunction
Live Longer: Groundbreaking Research on Omega-3s Live Longer: Groundbreaking Research on Omega-3s
The Revolutionary 'Good Fat' That Promotes Heart, Brain, Bone and Joint Health The Revolutionary 'Good Fat' That Promotes Heart, Brain, Bone and Joint Health

FIBROMYALGIA RESOURCES
What is Fibromyalgia?
Fibromyalgia 101
Fibromyalgia Symptoms
Fibromyalgia Treatments
| CFS RESOURCES
What is CFS?
ME/CFS 101
ME/CFS Symptoms
ME/CFS Treatments
| FORUMS
Fibromyalgia
ME/CFS
ADVANCED MEDICAL LABS
WHOLESALE  |  AFFILIATES
GUARANTEE
CONTACT US
PRIVACY
RSS
SITE MAP
ProHealth on Facebook  ProHealth on Twitter  ProHealth on Pinterest  ProHealth on Google Plus
Credit Card Processing