Understanding the Butcher's Tongue Illusion

The video explores sensory illusions, focusing on the Butcher's Tongue illusion, where participants perceive a fake tongue as their own. It also discusses a wine color perception experiment, showing how color influences taste perception. The concept of olfactory referral is explained, highlighting how smell affects taste, and the role of pheromones in repelling insects is briefly mentioned.

How did the French researchers' experiment with colored wine demonstrate the influence of sight on taste perception?

Explain the concept of olfactory referral as mentioned in the text.