Evaluating executive function in patients with temporal lobe epilepsy using the frontal assessment battery.
Epilepsy research(2017)
摘要
Previous studies have demonstrated executive dysfunction in patients with temporal lobe epilepsy (TLE). Frontal assessment battery (FAB) is a short neuropsychological tool that was developed for assessment of frontal lobe function in a clinical setting. The aim of the present study is to evaluate the clinical utility of FAB for detection of executive dysfunction in TLE patients. Forty-eight TLE patients and 48 sex and age-matched healthy controls participated in this study. Compared to healthy participants, the total FAB score was significantly lower among the TLE patients. TLE patients performed significantly worse at the mental flexibility, motor programming, sensitivity to interference and inhibitory control tasks. The duration of time has been passed since the last seizure was the only significant predictor of FAB score and patients who had a seizure less than a week before the evaluation time, had significantly lower FAB scores. The number of antiepileptic drugs (AEDs) did not influence the executive function in this study; however, sodium valproate was found to affect the mental flexibility. In conclusion, impaired executive function is common in TLE patients, and we suggest that FAB is a clinically applicable tool to monitor it. Moreover, we found that the time of the last seizure is a significant predictor of executive functioning and patients' performance may become worse up to seven days after a seizure. We also recommend that clinicians evaluate the cognitive adverse effects of AEDs especially sodium valproate, which was found to affect the mental flexibility in this study.
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