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Chinese Journal of Lasers, Volume. 51, Issue 21, 2107303(2024)

Investigation of Cerebral Blood Flow Correlation and Asynchrony Using Transcranial Doppler Ultrasound and Diffuse Correlation Spectroscopy

Junqi Wang, Wangwei Sun, Shuning Xu, Xusheng Wu, and Yu Shang*
Author Affiliations
  • State Key Laboratory of Dynamic Testing Technology Jointly Established by Province and Ministry, College of Information and Communication Engineering, North University of China, Taiyuan 030051, Shanxi , China
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    DCS structure diagram

    Fig. 1. DCS structure diagram

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    Experimental configuration and flow diagram of hemodynamic data measurement by TCD and DCS. (a) Configuration of TCD and DCS on the subject’s head; (b) flow chart of physiological measurement protocols for each subject

    Fig. 2. Experimental configuration and flow diagram of hemodynamic data measurement by TCD and DCS. (a) Configuration of TCD and DCS on the subject’s head; (b) flow chart of physiological measurement protocols for each subject

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    Response curves (including slope, D-index and response time) of Vm and Fcb for active tasks (VFT and HCT). (a) Change of Vm during VFT; (b) change of Fcb during VFT; (c) change of Vm during HCT; (d) change of Fcb during HCT

    Fig. 3. Response curves (including slope, D-index and response time) of Vm and Fcb for active tasks (VFT and HCT). (a) Change of Vm during VFT; (b) change of Fcb during VFT; (c) change of Vm during HCT; (d) change of Fcb during HCT

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    Response curves (including slope, D-index and response time) of Vm and Fcb for passive tasks (VBH and PCT). (a) Change of Vm during VBH; (b) change of Fcb during VBH; (c) change of Vm during PCT; (d) change of Fcb during PCT

    Fig. 4. Response curves (including slope, D-index and response time) of Vm and Fcb for passive tasks (VBH and PCT). (a) Change of Vm during VBH; (b) change of Fcb during VBH; (c) change of Vm during PCT; (d) change of Fcb during PCT

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    Slope, D-index and response time of Vm and Fcb in the sixteen subjects under active tasks (VFT and HCT). (a)‒(c) Performance of sixteen subjects during VFT; (d)‒(f) performance of sixteen subjects during HCT

    Fig. 5. Slope, D-index and response time of Vm and Fcb in the sixteen subjects under active tasks (VFT and HCT). (a)‒(c) Performance of sixteen subjects during VFT; (d)‒(f) performance of sixteen subjects during HCT

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    Slope, D-index and response time of Vm and Fcb in the sixteen subjects under passive tasks (VBH and PCT). (a)‒(c) Performance of sixteen subjects during VBH; (d)‒(f) performance of sixteen subjects during PCT

    Fig. 6. Slope, D-index and response time of Vm and Fcb in the sixteen subjects under passive tasks (VBH and PCT). (a)‒(c) Performance of sixteen subjects during VBH; (d)‒(f) performance of sixteen subjects during PCT

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    Linear regression between the Vm and Fcb in slope, D-index and response time under four tasks. (a) VFT; (b) HCT; (c) VBH; (d) PCT

    Fig. 7. Linear regression between the Vm and Fcb in slope, D-index and response time under four tasks. (a) VFT; (b) HCT; (c) VBH; (d) PCT

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    • Table 1. Means values and ANOVA results for slope, D-index and response time of Vm and Fcb in four tasks for sixteen subjects. Symbols ** and *** represent significant differences between Vm and Fcb (**represents P<0.05, ***represents P<0.01)

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      Table 1. Means values and ANOVA results for slope, D-index and response time of Vm and Fcb in four tasks for sixteen subjects. Symbols ** and *** represent significant differences between Vm and Fcb (**represents P<0.05, ***represents P<0.01)

      TaskSlopeD-index /%Response time/s
      VmFcbP-valueVmFcbP-valueVmFcbP-value
      VFT0.26±0.070.69±0.040.013**12.74±0.6826.06±1.290.032**23.68±0.9038.81±1.520.002***
      HCT0.21±0.060.74±0.060.001***26.64±1.4941.18±1.790.001***31.43±1.2948.38±1.490.001***
      VBH-0.18±0.04-0.64±0.080.024**-5.25±1.34-11.00±1.370.041**46.00±0.8829.44±0.980.002***
      PCT-0.42±0.05-0.17±0.040.001***-16.67±1.36-24.45±2.530.001***19.75±0.9013.94±1.010.001***
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    Junqi Wang, Wangwei Sun, Shuning Xu, Xusheng Wu, Yu Shang. Investigation of Cerebral Blood Flow Correlation and Asynchrony Using Transcranial Doppler Ultrasound and Diffuse Correlation Spectroscopy[J]. Chinese Journal of Lasers, 2024, 51(21): 2107303

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    Paper Information

    Category: Neurophotonics and Optical Regulation

    Received: Jul. 19, 2024

    Accepted: Sep. 19, 2024

    Published Online: Nov. 4, 2024

    The Author Email: Shang Yu (yushang@nuc.edu.cn)

    DOI:10.3788/CJL241068

    CSTR:32183.14.CJL241068

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology