The key to effective smelling, we were told, was multi-sensory coordination: vision, taste and smell all work together.
Though lots of hallucinations are not multi-sensory, just one sense at a time.
sensory sen·so·ry (sěn'sə-rē)
Of or relating to the senses or sensation.
Transmitting impulses from sense organs to nerve centers; afferent.
Involving the sense organs or the nerves that relay messages from them. Compare motor.