Smell and taste of chewing gum affect frequency domain EEG source localizations

T. Yagyu, I. Kondákor, K. Kochi, T. Koenig, D. Lehmann, T. Kinoshita, T. Hirota, T. Yagyu

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

We investigated brain electric field signatures of subjective feelings after chewing regular gum or gum base without flavor. 19-channel eyes-closed EEG from 20 healthy males before and after 5 minutes of chewing the two gum types in random sequence was source modeled in the frequency domain using the FFT-Dipole-Approximation. 3-dimensional brain locations and strengths (Global Field Power, GFP) of the equivalent sources of five frequency bands were computed as changes from pre-chewing baseline. Gum types differed (ANOVA) in pre-post changes of source locations for the alpha-2 band (to anterior and right after regular gum, opposite after gum base) and beta-2 band (to anterior and inferior after regular gum, opposite after gum base), and of GFP for delta-theta, alpha-2 and beta-1 (regular gum: increase, gum base: decrease). Subjective feeling changed to more positive values after regular gum than gum base (ANOVA). - Thus, chewing gum with and without taste-smell activates different brain neuronal populations.

Original languageEnglish
Pages (from-to)205-216
Number of pages12
JournalInternational Journal of Neuroscience
Volume93
Issue number3-4
Publication statusPublished - 1998

Fingerprint

Chewing Gum
Smell
Gingiva
Electroencephalography
Analysis of Variance
Brain
Emotions
Electric Power Supplies
Mastication

Keywords

  • Chewing gum
  • FFT-Dipole-Approximation
  • Frequency domain source modeling
  • Multichannel EEG
  • Smell and taste
  • Subjective feeling

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Yagyu, T., Kondákor, I., Kochi, K., Koenig, T., Lehmann, D., Kinoshita, T., ... Yagyu, T. (1998). Smell and taste of chewing gum affect frequency domain EEG source localizations. International Journal of Neuroscience, 93(3-4), 205-216.

Smell and taste of chewing gum affect frequency domain EEG source localizations. / Yagyu, T.; Kondákor, I.; Kochi, K.; Koenig, T.; Lehmann, D.; Kinoshita, T.; Hirota, T.; Yagyu, T.

In: International Journal of Neuroscience, Vol. 93, No. 3-4, 1998, p. 205-216.

Research output: Contribution to journalArticle

Yagyu, T, Kondákor, I, Kochi, K, Koenig, T, Lehmann, D, Kinoshita, T, Hirota, T & Yagyu, T 1998, 'Smell and taste of chewing gum affect frequency domain EEG source localizations', International Journal of Neuroscience, vol. 93, no. 3-4, pp. 205-216.
Yagyu, T. ; Kondákor, I. ; Kochi, K. ; Koenig, T. ; Lehmann, D. ; Kinoshita, T. ; Hirota, T. ; Yagyu, T. / Smell and taste of chewing gum affect frequency domain EEG source localizations. In: International Journal of Neuroscience. 1998 ; Vol. 93, No. 3-4. pp. 205-216.
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