Abstract

PurposeThis study aimed to describe and analyze psychomotor functions in patients with drug-resistant epilepsy and identify factors associated with psychomotor deficits. MethodsWe performed a prospective case–control study comparing psychomotor skill performances in 40 adult patients and 80 healthy individuals between October 2017 and March 2018. Psychomotor functions were examined in both patients and controls using a full set of specific tests (Rey–Osterrieth complex figure test, Zazzo's cancelation task, Piaget-Head test, and paired images test). Potential risk factors for psychomotor deficit were assessed in the patient group using a multivariate analysis. ResultsThe two groups did not differ in age, sex, dominant hand, and level of education. Compared with the control group, patients with drug-resistant epilepsy showed worse performance on global psychomotor functions and, more selectively, in assessments exploring perceptual organization and visuospatial memory, laterality awareness, sustained attention, concentration, visual scanning, inhibition, and impulsivity. In the patient group, psychomotor deficits were associated with the severity of epilepsy (epileptic encephalopathy, high seizure frequency, heavy antiepileptic medication). ConclusionPsychomotor deficits could therefore be systematically detected in patients with drug-resistant epilepsy in order to provide psychomotor therapy and improve quality of life.

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