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Mean rCBF in the activated volume across conditions. Means are calculated for a region of interest comprising all 222 voxels (1,776 mm3) that were significantly activated for sentence relative to single word utterances at a single voxel threshold of P < 0.001 (the global cerebral blood flow was adjusted to 50 ml/100 g/min; S, sentence condition; NP, noun phrase condition; W, single word condition).
