Measurement of evoked potential in recognition of faces and buildings

Saki Fujiyama, Yul Wan Sung, Seiji Ogawa, Takehito Hayami, Keiji Iramina

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In the functional neuro-imaging, it is known that the activation to the second stimulus is suppressed when two stimuli are given successively with a short interval as sensory inputs. This kind of suppressive phenomenon has been observed in event-related potential (ERP) signals as well as functional MRI signals of primary auditory, somatosensory and visual cortices. However, we rarely find reports to ERP suppression in higher-order areas of the brain. In this study we used a paired stimulus paradigm. The paired stimulus paradigm consisted of successively presented two stimuli in one trial. We recorded ERP related to recognition of faces and buildings to investigate the suppressive phenomenon in higher-order areas of the brain. We used the paired stimulus paradigm which was comprised of face, building and gray-colored-plain (gray) pictures. The inter-stimulus interval of two stimuli was 200ms. On the points of O2 and T6, we observed that the ERP for the latter stimulus (face picture) was suppressed severely when a face-gray stimulus pair was presented. On the other hand, when a gray-building stimulus pair was presented, the ERP for the latter stimulus (building picture) was not suppressed on the points of O2 and T6. The similar suppression was observed with a face-face stimulus pair.

Original languageEnglish
Title of host publicationProceedings of the 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS'08 - "Personalized Healthcare through Technology"
Pages4126-4129
Number of pages4
Publication statusPublished - 2008
Externally publishedYes
Event30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS'08 - Vancouver, BC, Canada
Duration: Aug 20 2008Aug 25 2008

Other

Other30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS'08
CountryCanada
CityVancouver, BC
Period8/20/088/25/08

Fingerprint

Bioelectric potentials
Evoked Potentials
Brain
Functional neuroimaging
Chemical activation
Auditory Cortex
Somatosensory Cortex
Visual Cortex
Magnetic Resonance Imaging

ASJC Scopus subject areas

  • Computer Vision and Pattern Recognition
  • Signal Processing
  • Biomedical Engineering
  • Health Informatics

Cite this

Fujiyama, S., Sung, Y. W., Ogawa, S., Hayami, T., & Iramina, K. (2008). Measurement of evoked potential in recognition of faces and buildings. In Proceedings of the 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS'08 - "Personalized Healthcare through Technology" (pp. 4126-4129). [4650117]

Measurement of evoked potential in recognition of faces and buildings. / Fujiyama, Saki; Sung, Yul Wan; Ogawa, Seiji; Hayami, Takehito; Iramina, Keiji.

Proceedings of the 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS'08 - "Personalized Healthcare through Technology". 2008. p. 4126-4129 4650117.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fujiyama, S, Sung, YW, Ogawa, S, Hayami, T & Iramina, K 2008, Measurement of evoked potential in recognition of faces and buildings. in Proceedings of the 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS'08 - "Personalized Healthcare through Technology"., 4650117, pp. 4126-4129, 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS'08, Vancouver, BC, Canada, 8/20/08.
Fujiyama S, Sung YW, Ogawa S, Hayami T, Iramina K. Measurement of evoked potential in recognition of faces and buildings. In Proceedings of the 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS'08 - "Personalized Healthcare through Technology". 2008. p. 4126-4129. 4650117
Fujiyama, Saki ; Sung, Yul Wan ; Ogawa, Seiji ; Hayami, Takehito ; Iramina, Keiji. / Measurement of evoked potential in recognition of faces and buildings. Proceedings of the 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS'08 - "Personalized Healthcare through Technology". 2008. pp. 4126-4129
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