Electronically Scanned Large Apertures for Interventional and Diagnostic Liver

Wodnicki, Robert; Zhang, Junhang; Zhou, Qifa; Foiret, Josquin; Notard, Christophe; Ferrara, Katherine W.

doi:10.1109/ius51837.2023.10306431

2023 IEEE International Ultrasonics Symposium (IUS) 2023

DOI: 10.1109/ius51837.2023.10306431

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Electronically Scanned Large Apertures for Interventional and Diagnostic Liver

Robert Wodnicki,

Junhang Zhang,

Qifa Zhou

et al.

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2024

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Ultrasound Flow Imaging Study on Rat Brain with Ultrasound and Light Stimulations

Zhang,

Gong,

Yang

et al. 2024

Bioengineering

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Functional ultrasound (fUS) flow imaging provides a non-invasive method for the in vivo study of cerebral blood flow and neural activity. This study used functional flow imaging to investigate rat brain’s response to ultrasound and colored-light stimuli. Male Long-Evan rats were exposed to direct full-field strobe flashes light and ultrasound stimulation to their retinas, while brain activity was measured using high-frequency ultrasound imaging. Our study found that light stimuli, particularly blue light, elicited strong responses in the visual cortex and lateral geniculate nucleus (LGN), as evidenced by changes in cerebral blood volume (CBV). In contrast, ultrasound stimulation elicited responses undetectable with fUS flow imaging, although these were observable when directly measuring the brain’s electrical signals. These findings suggest that fUS flow imaging can effectively differentiate neural responses to visual stimuli, with potential applications in understanding visual processing and developing new diagnostic tools.

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Ultrasound Flow Imaging Study on Rat Brain with Ultrasound and Light Stimulations

Zhang,

Gong,

Yang

et al. 2024

Bioengineering

Self Cite

View full text Add to dashboard Cite

show abstract

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Electronically Scanned Large Apertures for Interventional and Diagnostic Liver

Cited by 1 publication

References 7 publications

Ultrasound Flow Imaging Study on Rat Brain with Ultrasound and Light Stimulations

Ultrasound Flow Imaging Study on Rat Brain with Ultrasound and Light Stimulations

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