Abstract
In 79 pigeons, unit discharges of Wulst neurons responding to bilateral stimulation of N. radialis and N. sciaticus and to bilateral light flashes were recorded. Of 178 such neurons, 55 showed multisensory convergence of various types: 40 of these were somatic convergent neurons, characterized as 3 types; three were binocular convergent cells; and twelve were bimodal (visual-somatosensory) convergent neurons. Of these neurons, the convergent action was either inhibitory or excitatory. These results suggest that the Wulst may function as an important centre for integrating visual and somatic sensory information.
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