Watch the language! Language and linguistic-cognitive abilities in children with nocturnal epileptiform activity

Systad, Silje; Bjørnvold, Marit; Markhus, Rune; Lyster, Solveig‐Alma Halaas

doi:10.1016/j.yebeh.2016.09.041

Cited by 3 publications

(2 citation statements)

References 38 publications

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“…They may, moreover, experience regression in previously acquired skills. Furthermore, the cognitive consequences of NES can depend on brain maturation at NES onset [4]. However, there is an ongoing debate regarding the causal relation between NES and cognitive impairment [10].…”

Section: Discussionmentioning

confidence: 99%

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The effect of nocturnal epileptic seizures on cognitive functions in children with idiopathic epilepsy

Al-Malt

Hammar

Rashed

2020

Egypt J Neurol Psychiatry Neurosurg

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Background: Cognitive impairment is a common finding epileptic children. Studies have linked nocturnal epileptic discharges to delayed cognitive abilities in children. Objective: The study aims to evaluate the effect of nocturnal epileptic seizures on cognitive functions in children with idiopathic epilepsy. Patients and methods: The study was conducted on 70 children with idiopathic generalized or benign focal epilepsy. Based on seizures semiology, they were classified into cases either with nocturnal epileptic seizures (NES) (n = 40) or with diurnal epileptic seizures (DES) (n = 30). Patients receiving antiepileptic drugs (AEDs) that affect cognitive function, patients with intelligence quotient (IQ) below 70, and those having other neurological or psychiatric disorders' were excluded. All patients were subjected to neurological examination, brain magnetic resonance imaging (MRI), and electroencephalography. Cognition was assessed using Wechsler Intelligence scale for children (WISC) to measure IQ, Wisconsin card sorting test (WCST) (computerized version), Trail Making Test, and Digit spans test. Results: There was no significant difference between both groups regarding age, sex, age of epilepsy onset, or seizure frequency. There was a significant difference in almost all cognitive variables including digit forward, digit backward, processing speed, verbal IQ, WCST perseverative responses, WCST failure to maintain set, Trail Making Test A (error), Trail Making Test B (Time), and Trail Making Test B (error). There was no significant difference regarding the associated sleep disturbances between the studied groups. Conclusion: Children with idiopathic epilepsy suffering from predominant nocturnal seizure have overt and subtle cognitive functions impairments compared to children with predominant diurnal seizure.

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Section: Discussionmentioning

confidence: 99%

“…A recent study found an association between nocturnal epileptic discharges and delayed linguistic cognitive abilities in children [4]. Yet, limited information is available about the associations between the cognitive deficit and the seizure timing.…”

Section: Introductionmentioning

confidence: 99%

The effect of nocturnal epileptic seizures on cognitive functions in children with idiopathic epilepsy

Al-Malt

Hammar

Rashed

2020

Egypt J Neurol Psychiatry Neurosurg

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What risk factors for Developmental Language Disorder can tell us about the neurobiological mechanisms of language development

Boerma,

ter Haar,

Ganga

et al. 2023

Neuroscience & Biobehavioral Reviews

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The Value of Electroencephalogram in Assessing Children With Speech and Language Impairments

Systad

Bjørnvold

Sørensen³

et al. 2019

J Speech Lang Hear Res

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Purpose We sought to estimate the prevalence of isolated epileptiform activity (IEA) in children with speech and language impairments and discuss the utility of an electroencephalogram (EEG) in assessing these children. Method We conducted a systematic review and searched for eligible studies in 8 databases. All languages were included, and meta-analyses were performed. Results We found 55 prevalence estimates (8 with control group). The odds of having IEA were 6 times greater for children with speech and language impairments than for typically developing children. The overall pooled prevalence of IEA was 27.3%. A wide variation between the prevalence estimates was, to a certain degree, explained by type of impairment (8.1% in speech impairments, 25.8% in language impairments, and 51.5% in language regression). Sleep EEGs detected a significantly higher prevalence than awake EEGs. Although the presence of epilepsy gave a significantly higher prevalence than if epilepsy was not present, 33.5% of children with language impairment but without epilepsy were found to have IEA in sleep EEGs. Conclusions This systematic review shows that IEA is 6 times more prevalent in children with speech and language impairment than in typically developing children. However, the prevalence rates vary to a great extent. Uncovering IEA will, in addition to information from other clinical assessments, provide a more comprehensive understanding of the child's impairments. We argue that, although EEG is of questionable value when assessing children with speech impairments, sleep EEG could be valuable when assessing children with language impairments and, in particular, children who experience language regression.

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Watch the language! Language and linguistic-cognitive abilities in children with nocturnal epileptiform activity

Cited by 3 publications

References 38 publications

The effect of nocturnal epileptic seizures on cognitive functions in children with idiopathic epilepsy

The effect of nocturnal epileptic seizures on cognitive functions in children with idiopathic epilepsy

What risk factors for Developmental Language Disorder can tell us about the neurobiological mechanisms of language development

The Value of Electroencephalogram in Assessing Children With Speech and Language Impairments

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