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(A) Parametric increases and decreases in BOLD signal. Increased proximity was associated with activity in the midbrain PAG (4, −30, −24; P < 0.028, svc) and dACC (28, 36, 24; P < 0.001, whole-brain corrected). (B) Increased spider distance was associated with a parametric increase in activity in the omPFC (−6, 54, −16; P < 0.016, svc).
