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Abstract:
Recent studies show that the activity in the visual cortex can be decreased by simultaneous auditory input, and vice versa in the auditory cortex. It remains unclear whether these modulations are mediated via low-level interactions between sensory cortices or top-down effects from higher association cortices. The bidirectional anatomical connectivity from the intraparietal sulcus (IPS) to visual and auditory areas renders it ideal for integrating inputs
from multiple senses. Here, we aim to determine how applying TMS on the right IPS influences the activation in the visual cortex during (1) visual stimulation (visual induced activations) and (2) auditory stimulation (auditory induced deactivations).
