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Modality‐specific deactivations during unimodal intrinsic alerting. Contrasts are masked to only include voxels that showed a deactivation below resting baseline. Voxel‐wise P < 0.001, k = 20. A: Auditory alertness (green: auditory < tactile alertness; blue: auditory < visual alertness). B: Tactile alertness (green: tactile < auditory alertness; blue: tactile < visual alertness). C: Visual alertness (green: visual < auditory alertness; blue: visual < tactile alertness).
