Figure 4 | Scientific Reports

Figure 4

From: Synchronous functional magnetic resonance eye imaging, video ophthalmoscopy, and eye surface imaging reveal the human brain and eye pulsation mechanisms

Figure 4

(A) The ROI map highlighting the optic nerve (ON). The navigation abbreviations are posterior (P), anterior (A), left (L), and right (R); (B) The fMREye time signal from a single voxel in the retina, comparing results with different slice thicknesses; (C) The FFT power mean chart of the ON, demonstrating a stronger and clearer power peak in the VLF and RESP band for a 3 mm slice thickness in comparison to 4 mm and 5 mm (N = 1); (D) Group results of the FFT power for ON pulsations, indicating significantly higher power in the VLF band for a 3 mm slice thickness in contrast to 4 mm and 5 mm (N = 12) (test p-value: *p < 0.05).

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