The cognitive impact of epileptiform EEG discharges and short epileptic seizures: relationship to characteristics of the cognitive tasks

A.P. Aldenkamp; J. Arends; N.M. de la Parra; E.J.W. Migchelbrink

doi:10.1016/j.yebeh.2009.11.024

The cognitive impact of epileptiform EEG discharges and short epileptic seizures: relationship to characteristics of the cognitive tasks

A.P. Aldenkamp, J. Arends, N.M. de la Parra, E.J.W. Migchelbrink

Signal Processing Systems

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

OBJECTIVE: We analyzed the effect of task dimensions (information processing demand; duration of the test; input modality) on the occurrence and cognitive impact of epileptiform EEG discharges (EEDs) or subtle epileptic seizures.

METHODS: One hundred ninety-nine children, aged 6-17 years, were included consecutively in a prospective standardized study. All children were assessed with EEG, which was synchronized with a computerized cognitive FePsy test system.

RESULTS: No association was found between the occurrence of EEDs or subtle epileptic seizures and the three task dimensions introduced in our study. The Computerized Visual Searching Task (CVST) appeared to be particularly sensitive to direct cognitive effects of EEDs. The CVST and the three memory tests--Corsi's Block Tapping and recognition of words/figures--were sensitive to the cognitive effects of subtle epileptic seizures.

CONCLUSION: Our results do not indicate a distinctive effect of information processing demand, duration of the test, or input modality on the occurrence of EEDs or subtle epileptic seizures. Effects on the impact on cognition are found when these three factors are combined.

Original language	English
Pages (from-to)	205-209
Number of pages	5
Journal	Epilepsy and Behavior
Volume	17
Issue number	2
DOIs	https://doi.org/10.1016/j.yebeh.2009.11.024
Publication status	Published - Feb 2010

Keywords

Adolescent
Child
Cognition Disorders
Diagnosis, Computer-Assisted
Electroencephalography
Epilepsy
Female
Humans
Male
Neuropsychological Tests
Reaction Time
Reading
Severity of Illness Index
Vocabulary

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10.1016/j.yebeh.2009.11.024

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title = "The cognitive impact of epileptiform EEG discharges and short epileptic seizures: relationship to characteristics of the cognitive tasks",

abstract = "OBJECTIVE: We analyzed the effect of task dimensions (information processing demand; duration of the test; input modality) on the occurrence and cognitive impact of epileptiform EEG discharges (EEDs) or subtle epileptic seizures.METHODS: One hundred ninety-nine children, aged 6-17 years, were included consecutively in a prospective standardized study. All children were assessed with EEG, which was synchronized with a computerized cognitive FePsy test system.RESULTS: No association was found between the occurrence of EEDs or subtle epileptic seizures and the three task dimensions introduced in our study. The Computerized Visual Searching Task (CVST) appeared to be particularly sensitive to direct cognitive effects of EEDs. The CVST and the three memory tests--Corsi's Block Tapping and recognition of words/figures--were sensitive to the cognitive effects of subtle epileptic seizures.CONCLUSION: Our results do not indicate a distinctive effect of information processing demand, duration of the test, or input modality on the occurrence of EEDs or subtle epileptic seizures. Effects on the impact on cognition are found when these three factors are combined.",

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author = "A.P. Aldenkamp and J. Arends and \{de la Parra\}, N.M. and E.J.W. Migchelbrink",

year = "2010",

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doi = "10.1016/j.yebeh.2009.11.024",

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AU - de la Parra, N.M.

AU - Migchelbrink, E.J.W.

PY - 2010/2

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N2 - OBJECTIVE: We analyzed the effect of task dimensions (information processing demand; duration of the test; input modality) on the occurrence and cognitive impact of epileptiform EEG discharges (EEDs) or subtle epileptic seizures.METHODS: One hundred ninety-nine children, aged 6-17 years, were included consecutively in a prospective standardized study. All children were assessed with EEG, which was synchronized with a computerized cognitive FePsy test system.RESULTS: No association was found between the occurrence of EEDs or subtle epileptic seizures and the three task dimensions introduced in our study. The Computerized Visual Searching Task (CVST) appeared to be particularly sensitive to direct cognitive effects of EEDs. The CVST and the three memory tests--Corsi's Block Tapping and recognition of words/figures--were sensitive to the cognitive effects of subtle epileptic seizures.CONCLUSION: Our results do not indicate a distinctive effect of information processing demand, duration of the test, or input modality on the occurrence of EEDs or subtle epileptic seizures. Effects on the impact on cognition are found when these three factors are combined.

AB - OBJECTIVE: We analyzed the effect of task dimensions (information processing demand; duration of the test; input modality) on the occurrence and cognitive impact of epileptiform EEG discharges (EEDs) or subtle epileptic seizures.METHODS: One hundred ninety-nine children, aged 6-17 years, were included consecutively in a prospective standardized study. All children were assessed with EEG, which was synchronized with a computerized cognitive FePsy test system.RESULTS: No association was found between the occurrence of EEDs or subtle epileptic seizures and the three task dimensions introduced in our study. The Computerized Visual Searching Task (CVST) appeared to be particularly sensitive to direct cognitive effects of EEDs. The CVST and the three memory tests--Corsi's Block Tapping and recognition of words/figures--were sensitive to the cognitive effects of subtle epileptic seizures.CONCLUSION: Our results do not indicate a distinctive effect of information processing demand, duration of the test, or input modality on the occurrence of EEDs or subtle epileptic seizures. Effects on the impact on cognition are found when these three factors are combined.

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KW - Neuropsychological Tests

KW - Reaction Time

KW - Reading

KW - Severity of Illness Index

KW - Vocabulary

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JO - Epilepsy and Behavior

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ER -

The cognitive impact of epileptiform EEG discharges and short epileptic seizures: relationship to characteristics of the cognitive tasks

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