Mixing modalities is more than meets the eye alone. Focus on: "Multisensory versus unisensory integration: contrasting modes in the superior colliculus".
Friedlander
Michael J
MJ
D000344:Afferent Pathways / Q000502:physiology*; D000818:Animals; D005123:Eye; D008954:Models, Biological; D013477:Superior Colliculi / Q000502:physiology*