What phenomenon may occur in people experiencing synesthesia?

The phenomenon that occurs in people experiencing synesthesia is the occurrence of visual experiences triggered by sound. Synesthesia is a condition where sensory pathways are cross-wired, leading individuals to experience a blending of senses. For instance, when someone hears a specific sound, they might simultaneously perceive a visual element, such as a color or a shape. This unique sensory experience can vary widely among individuals; some might see colors when they hear music, while others might taste flavors when they see specific words.

This phenomenon highlights the intricate connections between sensory modalities in the brain and illustrates how sensory perception can be more complex than the typical experience. Overall, synesthesia allows individuals to perceive the world in a uniquely enriched manner, blending sensory experiences in ways that can enhance creativity and emotional expression.