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Subjective perception of cognition is related to mood and not performance EPILEPSY & BEHAVIOR Marino, S. E., Meador, K. J., Loring, D. W., Okun, M. S., Fernandez, H. H., Fessler, A. J., Kustra, R. P., MILLER, J. M., Ray, P. G., Roy, A., Schoenberg, M. R., Vahle, V. J., Werz, M. A. 2009; 14 (3): 459-464

Abstract

Clinicians monitor cognitive effects of drugs primarily by asking patients to describe their side effects. We examined the relationship of subjective perception of cognition to mood and objective cognitive performance in healthy volunteers and neurological patients.Three separate experiments used healthy adults treated with lamotrigine (LTG) and topiramate (TPM), adults with epilepsy on LTG or TPM, and patients with idiopathic Parkinson's disease. Correlations were calculated for change scores on and off drugs in the first two experiments and for the single assessment in Experiment 3.Across all three experiments, significant correlations were more frequent (chi(2)=259, P < or = 0.000) for mood versus subjective cognitive perception (59%) compared with subjective versus objective cognition (2%) and mood versus objective cognitive performance (2%).Subjective perception of cognitive effects is related more to mood than objective performance. Clinicians should be aware of this relationship when assessing patients' cognitive complaints.

View details for DOI 10.1016/j.yebeh.2008.12.007

View details for Web of Science ID 000265040200008

View details for PubMedID 19130899