A different way to combine direct perception with intersensory interaction

There is a discrepancy between Stoffregen & Bardy's concept with experimental work on human self-motion perception. We suggest an alternative: (1) higher brain centers are informed by a given sensory cue in a direct and rapid way (direct perception), and (2) this information is then used to prime and shape a more complex mechanism that usually involves several cues and processing steps (inferential).

Interaction of chemosensory, visual, and statocyst pathways in Hermissenda crassicornis.

Neurons in the cerebropleural ganglia (CPG), photoreceptors in the eye, optic ganglion cells, and statocyst hair cells of the nudibranch mollusk Hermissenda crassicornis responded in specific ways, as recorded intracellularly, to stimulation of the chemosensory pathway originating at the tentacular chemoreceptors as well as to stimulation of the visual pathway originating at the photoreceptors. Synaptic inhibition of photoreceptors occurs via the chemosensory pathway. The possible significance of such intersensory interaction is discussed with reference to preliminary investigation of the animal's gustatory behavior and possible neural mechanisms of behavioral choice.