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Dynamic multichannel near-infrared optical imaging of human brain activity
Abstract
The present paper demonstrates functional brain mapping with an optical imaging technique by using tissue-transparent near-infrared light. With a maximal five-channel optical monitoring system, we succeeded in detecting region-specific changes in both the hemoglobin oxygenation state and blood volume during various mental tasks, in addition to visual and auditory stimulation. The time course of increases in blood supply varied with each brain region and depended on the type of internal operations occurring during the mental tasks. Changes in the hemoglobin oxygenation state were also different from region to region. This showed that there were regional variations of the oxygen delivery-oxygen utilization relationship during activation of brain activity. The usefulness of multichannel near-infrared functional imaging was well documented.
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Citations
Cited by
Ferrari, M., & Quaresima, V. (2012) · NeuroImage · doi:10.1016/j.neuroimage.2012.03.049 · Cited by 2,274
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Huppert, T. J., Hoge, R. D., Diamond, S. G., Franceschini, M. A., & Boas, D. A. (2006) · NeuroImage · doi:10.1016/j.neuroimage.2005.08.065 · Cited by 846
Positive effects of acute and moderate physical exercise on cognitive function
Kashihara, K., Maruyama, T., Murota, M., & Nakahara, Y. (2009) · Journal of PHYSIOLOGICAL ANTHROPOLOGY · doi:10.2114/jpa2.28.155 · Cited by 238
Assessing infants' cortical response to speech using near-infrared spectroscopy
Bortfeld, H., Wruck, E., & Boas, D. A. (2007) · NeuroImage · doi:10.1016/j.neuroimage.2006.08.010 · Cited by 169
Using Fiberless, Wearable fNIRS to Monitor Brain Activity in Real-world Cognitive Tasks
Pinti, P., Aichelburg, C., Lind, F., Power, S., Swingler, E., Merla, A., Hamilton, A., Gilbert, S., Burgess, P., & Tachtsidis, I. (2015) · Journal of Visualized Experiments · doi:10.3791/53336 · Cited by 169
Metadata
- Authors
- Hoshi, Y., & Tamura, M.
- Venue
- Journal of Applied Physiology
- Publisher
- American Physiological Society
- Published
- 1993-10-01
- Volume
- 75
- Issue
- 4
- Pages
- 1842-1846
- ISSN
- 0161-7567 (ISSN-L)
- 8750-7587
- 1522-1601
- OpenAlex
- W2252494831
- Cited by
- 353
- References
- 0
- FWCI
- 12.11
- Type
- journal article
- Language
- en
- Open access
- closed
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- Hoshi, Y., & Tamura, M. (1993). Dynamic multichannel near-infrared optical imaging of human brain activity. Journal of Applied Physiology. https://doi.org/10.1152/jappl.1993.75.4.1842
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
