Correlation of vocals and lyrics with left temporal musicogenic epilepsy

Whether the cognitive processing of music and speech relies on shared or distinct neuronal mechanisms remains unclear. Music and language processing in the brain are right and left temporal functions, respectively. We studied patients with musicogenic epilepsy (ME) that was specifically triggered by...

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Published inAnnals of the New York Academy of Sciences Vol. 1423; no. 1; pp. 188 - 197
Main Authors Tseng, Wei‐En J., Lim, Siew‐Na, Chen, Lu‐An, Jou, Shuo‐Bin, Hsieh, Hsiang‐Yao, Cheng, Mei‐Yun, Chang, Chun‐Wei, Li, Han‐Tao, Chiang, Hsing‐I, Wu, Tony
Format Journal Article
LanguageEnglish
Published United States Wiley Subscription Services, Inc 01.07.2018
Subjects
Acoustics
Brain
Cognitive ability
Epilepsy
Familiarity
Information processing
Language
left temporal functions
Literature reviews
lyric analysis
musicogenic epilepsy
Natural language processing
Nervous system
Patients
Singing
Song
song music
Speech
Stimuli
Temporal lobe
Voice recognition
left temporal functions
lyric analysis
musicogenic epilepsy
song music
voice recognition
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Summary:Whether the cognitive processing of music and speech relies on shared or distinct neuronal mechanisms remains unclear. Music and language processing in the brain are right and left temporal functions, respectively. We studied patients with musicogenic epilepsy (ME) that was specifically triggered by popular songs to analyze brain hyperexcitability triggered by specific stimuli. The study included two men and one woman (all right‐handed, aged 35–55 years). The patients had sound‐triggered left temporal ME in response to popular songs with vocals, but not to instrumental, classical, or nonvocal piano solo versions of the same song. Sentimental lyrics, high‐pitched singing, specificity/familiarity, and singing in the native language were the most significant triggering factors. We found that recognition of the human voice and analysis of lyrics are important causal factors in left temporal ME and provide observational evidence that sounds with speech structure are predominantly processed in the left temporal lobe. A literature review indicated that language‐associated stimuli triggered ME in the left temporal epileptogenic zone at a nearly twofold higher rate compared with the right temporal region. Further research on ME may enhance understanding of the cognitive neuroscience of music.
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ISSN:0077-8923
1749-6632
1749-6632
DOI:10.1111/nyas.13594