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. 2023 Jul 3;21:238. doi: 10.1186/s12916-023-02928-1

Fig. 4.

Fig. 4

Changes of cerebral blood flow (CBF) in grey matter (GM) and white matter (WM) between the resting state and stress state. A-B Decreased perfusion in GM and WM after dobutamine infusions compared with the resting state. C The difference in GM CBF between the left and right hemispheres in the resting and stress states did not differ significantly. D The difference in WM CBF between the left and right hemispheres in the resting and stress states did not reveal any significant differences. ****: P < 0.0001; ns: P > 0.05