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Activity in the auditory cortex is modulated by visual stimuli.

Auditory cortex is influenced by visual stimuli.

There are projections from auditory cortex to SC (from anterior ectosylvian gyrus).

When asked to ignore stimuli in the visual modality and attend to the auditory modality, increased activity in the auditory temporal cortex and decreased activity in the visual occipital cortex can be observed (and vice versa).

Some cortical areas are involved in orienting towards auditory stimuli:

  • primary auditory cortex (A1)
  • posterior auditory field (PAF)
  • dorsal zone of auditory cortex (DZ)
  • auditory field of the anterior ectosylvian sulcus (fAES)

Only fAES has strong cortico-tectal projections.

There is multisensory integration in areas typically considered unisensory, eg. primary and secondary auditory cortex.

There is are feedforward and feed-back connections between visual cortex and auditory cortex.