Safety of EEG methodology in photosensitivity

Kimberley Whitehead; Victor Biton

doi:10.1007/978-3-319-05080-5_28

Safety of EEG methodology in photosensitivity

Kimberley Whitehead^*, Victor Biton

^*Corresponding author for this work

Digital Health & Applied Tech Assessment

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

Intermittent photic stimulation in the clinical EEG setting may provide useful information in two ways, first by provoking epileptiform discharges referred to as photoparoxysmal responses and second, it may trigger epileptic seizures and psychogenic non-epileptic attacks. The aim is to gain electrographic data without triggering generalized tonic-clonic seizures, which is the only seizure type likely to have potential medical risks. Therefore the use of photic stimulation involves a careful balancing of the safety benefits to the patient of accurate diagnostic information, versus the safety risks of generalized tonic-clonic seizures. In this chapter, we review the evidence from unselected patient cohorts referred for EEG on the incidence of generalized tonic-clonic seizures evoked by intermittent photic stimulation, balanced against the incidence of useful information obtained, before providing practical suggestions on how the safety of EEG methodology in photosensitivity can be optimized.

Original language	English
Title of host publication	The importance of photosensitivity for epilepsy
Editors	Dorothee Kasteleijn-Nolst Trenite
Place of Publication	Cham
Publisher	Springer
Pages	361–366
ISBN (Electronic)	9783319050805
ISBN (Print)	9783319050799
DOIs	https://doi.org/10.1007/978-3-319-05080-5_28
Publication status	Published - 24 Dec 2020

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10.1007/978-3-319-05080-5_28

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abstract = "Intermittent photic stimulation in the clinical EEG setting may provide useful information in two ways, first by provoking epileptiform discharges referred to as photoparoxysmal responses and second, it may trigger epileptic seizures and psychogenic non-epileptic attacks. The aim is to gain electrographic data without triggering generalized tonic-clonic seizures, which is the only seizure type likely to have potential medical risks. Therefore the use of photic stimulation involves a careful balancing of the safety benefits to the patient of accurate diagnostic information, versus the safety risks of generalized tonic-clonic seizures. In this chapter, we review the evidence from unselected patient cohorts referred for EEG on the incidence of generalized tonic-clonic seizures evoked by intermittent photic stimulation, balanced against the incidence of useful information obtained, before providing practical suggestions on how the safety of EEG methodology in photosensitivity can be optimized.",

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Safety of EEG methodology in photosensitivity

Abstract

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