Comment on: Relation between neuropsychological impairment and functional disability in patients with chronic fatigue syndrome. [J Neurol Neurosurg Psychiatry. 1998]
The paper by Christodoulou et al in this issue of the Journal (pp 431–4) draws attention to memory deficits in some patients with operationally defined chronic fatigue syndrome, and days of (enforced) physical inactivity. Many studies have assessed cognitive dysfunction in patients with chronic fatigue. The earliest reported superior abilities in such patients against controls or age matched normal subjects, probably reflecting a biased selection of cases from higher socioeconomic groups. Later studies have been the subject of at least two major reviews.1 2
You can read the rest of this article here: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2170046/pdf/v064p00430.pdf
Source: Lambert MV, David A. The importance of mental fatigue. J Neurol Neurosurg Psychiatry. 1998 Apr;64(4):430. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2170046/pdf/v064p00430.pdf (Full article)