Cross-modal functional connectivity supports speech understanding in cochlear implant users

HIGHLIGHTS

SUMMARY

    The data demonstrate that auditory cortical areas are activated by speech, regardless of the mode of presentation (auditory or visual), and that cross-modal, visual-evoked activity in auditory cortex depends on stimulus type (i.e. speech vs. non-speech) in CI users. Cross-modal plasticity, whereby alternate sensory modalities "take over" a deprived sense`s cortical representation leading to enhanced perception of that sense, e_g heightened auditory acuity in blindness (Bavelier and Neville 2002), has been proposed as one factor that might limit speech understanding following implantation. Sentences had a set structure, e_g . . .

     

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