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  • Title: Cognitive complaints after a first seizure in adulthood: Influence of psychological adjustment.
    Author: Velissaris SL, Wilson SJ, Newton MR, Berkovic SF, Saling MM.
    Journal: Epilepsia; 2009 May; 50(5):1012-21. PubMed ID: 19054415.
    Abstract:
    PURPOSE: To examine the nature and determinants (biologic and psychological) of cognitive complaints in first-seizure patients. We analyzed this in the context of our previous findings that a sense of loss of control after a newly diagnosed seizure (limited or pervasive) predicts subsequent psychological adjustment trajectories. METHODS: Eighty-five consecutive First Seizure Clinic patients were assessed at 1 and 3 months. Cognitive complaints were evaluated qualitatively, with a semistructured interview, and quantitatively, with the A-B Neuropsychological Assessment Schedule (ABNAS). Objective attentional processing was assessed with reaction time tasks and the Wechsler Adult Intelligence Scale-3rd edition (WAIS-III) Processing Speed Index. Mood was assessed with the Hospital Anxiety and Depression Scale (HADS). Psychological adjustment trajectories were represented by previous classification of patients into limited and pervasive groups, as derived from semistructured interview. RESULTS: Cognitive complaints at 1 and 3 months were strongly associated with mood, and unrelated to objective attentional processing. Psychological adjustment trajectories influenced the longitudinal course of cognitive complaints, and these effects were partially mediated by mood differences between the limited and pervasive groups. The course of cognitive complaints was also altered by commencing antiepileptic drugs. Patients experiencing seizure recurrence reported greater cognitive complaints, even before their seizure recurred. Mediation analyses showed this effect was likely attributable to increased mood disturbance in the seizure recurrence group, and was unrelated to objective attentional processing. DISCUSSION: Understanding cognitive complaints in first-seizure patients requires a longitudinal perspective that takes into account the patients' changing psychological and medical contexts. Patients presenting with extensive cognitive complaints may warrant assessment for mood and adjustment issues.
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