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  Frontal lobe epileptic seizures are accompanied by elevated pitch during verbal communication

Speck, I., Echternach, M., Sammler, D., & Schulze-Bonhage, A. (2018). Frontal lobe epileptic seizures are accompanied by elevated pitch during verbal communication. Epilepsia, 59(3), e23-e27. doi:10.1111/epi.14012.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-63FD-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-124F-1
Genre: Journal Article

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 Creators:
Speck, Iva1, 2, Author
Echternach, Matthias3, Author
Sammler, Daniela4, Author              
Schulze-Bonhage, Andreas1, Author
Affiliations:
1Epilepsy Center, University Medical Center, Freiburg, Germany, ou_persistent22              
2Department of Otorhinolaryngology, University Medical Center, Freiburg, Germany, ou_persistent22              
3Freiburg Institute for Musicians' Medicine (FIM), University Medical Center, Freiburg, Germany, ou_persistent22              
4Otto Hahn Group Neural Bases of Intonation in Speech, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_1797284              

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Free keywords: Frontal lobe epilepsy; Ictal speech; Prosody; Temporal lobe epilepsy
 Abstract: The objective of our study was to assess alterations in speech as a possible localizing sign in frontal lobe epilepsy. Ictal speech was analyzed in 18 patients with frontal lobe epilepsy (FLE) during seizures and in the interictal period. Matched identical words were analyzed regarding alterations in fundamental frequency (ƒo) as an approximation of pitch. In patients with FLE, ƒo of ictal utterances was significantly higher than ƒo in interictal recordings (p = 0.016). Ictal ƒo increases occurred in both FLE of right and left seizure origin. In contrast, a matched temporal lobe epilepsy (TLE) group showed less pronounced increases in ƒo, and only in patients with right-sided seizure foci. This study for the first time shows significant voice alterations in ictal speech in a cohort of patients with FLE. This may contribute to the localization of the epileptic focus. Increases in ƒo were interestingly found in frontal lobe seizures with origin in either hemisphere, suggesting a bilateral involvement to the planning of speech production, in contrast to a more right-sided lateralization of pitch perception in prosodic processing.

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Language(s): eng - English
 Dates: 2018-01-052018-01-312018-03
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1111/epi.14012
PMID: 29388192
Other: Epub 2018
 Degree: -

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Title: Epilepsia
  Other : Epilepsia
Source Genre: Journal
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Publ. Info: Malden : Wiley-Blackwell
Pages: - Volume / Issue: 59 (3) Sequence Number: - Start / End Page: e23 - e27 Identifier: ISSN: 0013-9580
CoNE: https://pure.mpg.de/cone/journals/resource/954925397463