The left inferior frontal gyrus under focus: an fMRI study of the production of deixis via syntactic extraction and prosodic focus

Our results suggest that the LIFG is involved during agent deixis, through either prosody or syntax, and that the LSMG and Wernicke's area are additionally required in prosody-driven deixis. Once grammaticalized, deixis would be handled solely by the LIFG, without the LSMG and Wernicke's area.