Do theta oscillations explain the somatosensory change detection mechanism?

Zhilin Zhang, Guoxin Guo, Jian Zhang, Chunlin Li, Qiang Huang, Ritsu Go, Hidenao Fukuyama, Shintaro Funahashi, Tianyi Yan, Jinglong Wu

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Recent research has indicated that the mismatch negativity (MMN) is elicited in response to a discernible small change of a somatosensory stimulus applied on the hand. However, the neural mechanism for detecting small change of somatosensory stimulus remains unknown. In the present study, we developed a novel pressure stimulation device using air jet applied on the index finger pad, and determined the just noticeable differences (JNDs) of pressure discrimination for each subject. Using the deviant-standard-reversed oddball paradigm, we analyzed the average dynamic changes in MMN amplitude and changes of evoked spectral power. We found a clear MMN component at the frontal and central regions at 100–300 msec after deviant stimulus presentation. Statistical tests showed that theta band activity played pivotal roles in the generation of the MMN elicited by a change in somatosensory pressure stimulation. Our results indicate that the somatosensory discriminatory process reflected on MMN is accompanied by phase-locked oscillation at the theta frequency.

Original languageEnglish
Pages (from-to)103-112
Number of pages10
JournalBiological Psychology
Volume143
DOIs
Publication statusPublished - Apr 1 2019
Externally publishedYes

Fingerprint

Pressure
Differential Threshold
Fingers
Hand
Air
Equipment and Supplies
Research
Discrimination (Psychology)
Power (Psychology)

Keywords

  • Event-related potentials
  • Mismatch negativity
  • Pressure stimulation
  • Theta oscillation
  • Time-frequency analysis
  • Wavelet transform

ASJC Scopus subject areas

  • Neuroscience(all)
  • Neuropsychology and Physiological Psychology

Cite this

Do theta oscillations explain the somatosensory change detection mechanism? / Zhang, Zhilin; Guo, Guoxin; Zhang, Jian; Li, Chunlin; Huang, Qiang; Go, Ritsu; Fukuyama, Hidenao; Funahashi, Shintaro; Yan, Tianyi; Wu, Jinglong.

In: Biological Psychology, Vol. 143, 01.04.2019, p. 103-112.

Research output: Contribution to journalArticle

Zhang, Z, Guo, G, Zhang, J, Li, C, Huang, Q, Go, R, Fukuyama, H, Funahashi, S, Yan, T & Wu, J 2019, 'Do theta oscillations explain the somatosensory change detection mechanism?', Biological Psychology, vol. 143, pp. 103-112. https://doi.org/10.1016/j.biopsycho.2019.02.001
Zhang, Zhilin ; Guo, Guoxin ; Zhang, Jian ; Li, Chunlin ; Huang, Qiang ; Go, Ritsu ; Fukuyama, Hidenao ; Funahashi, Shintaro ; Yan, Tianyi ; Wu, Jinglong. / Do theta oscillations explain the somatosensory change detection mechanism?. In: Biological Psychology. 2019 ; Vol. 143. pp. 103-112.
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