Mapping of acupuncture effects on cortex by photoacoustic tomography

Dan Wu; Yan-ting Wen; Zi-hui Chi; Yong Tang; Huabei Jiang

doi:10.1117/12.2624314

27 March 2022 Mapping of acupuncture effects on cortex by photoacoustic tomography

Dan Wu, Yan-ting Wen, Zi-hui Chi, Yong Tang, Huabei Jiang

Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 1216956 (2022) https://doi.org/10.1117/12.2624314
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China

Abstract

While medical imaging is playing an increasingly important role in understanding and clarifying acupuncture theory in general, it is still challenging to systematically understand the operational mechanisms of acupuncture on the central and peripheral nerve systems using the existing acupuncture imaging tools. Here, we report an application of photoacoustic tomography (PAT) to mapping cerebral hemodynamics response to acupuncture in mice. Huantiao acupoint (GB 30) is selected as the stimulating points in this study. In vivo photoacoustic images of cerebral hemodynamics response to acupuncture are obtained in ten functional regions of a mouse brain. Real-time photoacoustic signal changes in brain cortex and dynamic changes in total hemoglobin (HbT) concentration are tracked at 532 nm. Our results suggest that PAT provides imaging basis on cerebral hemodynamic response to acupuncture, and may have great potential for understanding the operational mechanisms of acupuncture on the central nerve systems.

Citation Download Citation

Dan Wu, Yan-ting Wen, Zi-hui Chi, Yong Tang, and Huabei Jiang "Mapping of acupuncture effects on cortex by photoacoustic tomography", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 1216956 (27 March 2022); https://doi.org/10.1117/12.2624314

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KEYWORDS

Brain

Neuroimaging

Hemodynamics

Acquisition tracking and pointing

Photoacoustic tomography

Photoacoustic spectroscopy

In vivo imaging

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