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. Author manuscript; available in PMC: 2022 Aug 1.
Published in final edited form as: IEEE Trans Biomed Eng. 2021 Jul 16;68(8):2499–2508. doi: 10.1109/TBME.2020.3047575

Fig. 3.

Fig. 3.

A. DTI eigenvectors overlaid onto the ΔFA map for the entire axial brain plane and the magnified striatal region. BBB opening initiates an increase in the directionality of the water molecule diffusion compared to the intact barrier shown by the consistent direction of the arrows in the sonicated area compared to the contralateral side within the ROI (black square). B. Polar and azimuthal angle distributions in the ipsilateral and contralateral hemispheres within the ROI are presented showing the narrow range of polar and azimuthal angles of the principal eigenvector only at the site of sonication (v1POST-IPSI). C. Cumulative results showed a decrease in the polar angle range on the order of 35.58% (t[3]=3.921; P=0.0295) compared to the ipsilateral side, v1PRE-IPSI, and 53.86% (t[3]=4.887; P=0.0164) compared to the contralateral side, v1POST-CONTRA. Similarly, the azimuthal angle range of the v1POST-IPSI decreased by 82.44% (t[3]=3.699; P=0.0343) compared to v1PRE-IPSI, and 84.55% (t[3]=7.462; P=0.005) compared v1POST-CONTRA.