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Experimental design and fMRI protocol. Each sedation period comprised 5 blocks of words and 5 blocks of nonspeech stimuli. Semantic tasks alternated in 24 s blocks (presentation of 8 stimuli interspersed with silence) in separate scanning runs with a nonspeech buzz/noise baseline task. [Color figure can be viewed in the online issue, which is available at http://wileyonlinelibrary.com.]
