期刊
SEIZURE-EUROPEAN JOURNAL OF EPILEPSY
卷 98, 期 -, 页码 79-86出版社
W B SAUNDERS CO LTD
DOI: 10.1016/j.seizure.2022.03.021
关键词
Functional seizures; Pediatric; Selective attention; Cognitive inhibition; Control; Psychogenic nonepileptic seizures
资金
- NIH
- NSF
- DoD
- Shor Foundation for Epilepsy Research
- State of Alabama
- UCB Pharma Inc.
- NeuroPace Inc.
- Greenwich Biosciences Inc.
- Biogen Inc.
- Xenon Pharmaceuticals
- Serina Therapeutics Inc.
- Eisai, Inc.
In this experimental study, it was found that children with functional seizures have poorer selective attention, cognitive inhibition, and sense of control compared to controls. Premonitory symptoms were common among patients.
Purpose: To date, laboratory-based experimental behavioral methods have not been used to identify factors associated with pediatric functional seizures (FS), leaving a critical gap for effective treatment development. Methods: Children ages 13-18 with video-EEG-confirmed FS were matched to controls (MCs) based on income, sex, race, and age. A modified Stroop task which included a condition requiring participants to report the ink colors in which seizure symptom words were written (e.g., shaking in blue) measured selective attention and cognitive inhibition through response time. The magic and turbulence task assessed sense of control in three conditions (magic, lag, turbulence). Children with FS were asked to report premonitory symptoms predicting FS. Results: Participants included 26 children with FS and 26 MCs (Mean age =15.2, 74% female, 59% white). On Stroop, children with FS had a slower reaction time (Mean=1193.83) than MCs (Mean=949.26, p = 0.022) for seizure symptom words. Children with FS had significantly poorer sense of control in the turbulence condition of the magic and turbulence task (Mean=-3.99, SD=8.83) than MCs (Mean=-11.51, SD=7.87; t(20)=-2.61, p =0.017). Children with FS (Mean=-1.80, SD=6.54) also had significantly poorer sense of control in the magic condition than MCs (Mean=-5.57, SD=6.01; p =0.028). Ninety-eight percent of patients endorsed premonitory symptoms. Conclusion: Compared with MCs, children with FS have (1) poorer selective attention and cognitive inhibition when presented with seizure-related information and (2) lower sense of control (i.e. poorer awareness that their control was manipulated). Premonitory symptoms were common. Sense of control, selective attention, and inhibition may be novel treatment targets for FS intervention.
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