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. 2024 Aug 11;15:6885. doi: 10.1038/s41467-024-51243-7

Fig. 4. Simultaneous suppression increases up the visual hierarchy.

Fig. 4

a Sequential vs simultaneous BOLD amplitude of individual voxels for the small and short stimulus condition. Each point is a voxel, colored by effective pRF size estimated from independent retinotopy data. Each panel shows data of all ten participants. Black solid line: LMM fit (average across participants). Dashed line: identity line. Shaded area: CI95% across ten participants. Yellow circles: illustration of average effective pRF size per visual area, ranging from 1° in V1 to 7.8° in TO1/2. b Suppression levels for each stimulus condition and visual area. Slopes are derived from LMM fit to simultaneous vs sequential average BOLD amplitude data from all ten participants, for each visual area. A slope of 1 indicates no suppression. Smaller slopes indicate increased suppression. Large colored dots: group average of a visual area. Error bars: SEM across participants. Light gray dots: individual participant slopes (random effects). Early visual areas are in blue colors (V1: indigo, V2: dark blue, and V3: light blue), ventral visual areas in green colors (hV4: dark green and VO1/2: light green), dorsal visual areas are in purple colors (V3A/B: purple and IPS0/1: pink), and lateral visual areas are in warm colors (LO1/2: red and TO1/2: yellow).