EDGE OF NORMAL CURVE. “Another possible explanation is that synesthesia simply represents the tail end of a normal distribution of cross-modality interactions present in the general population. Partial evidence supporting this idea comes as sensory deprivation and deafferentation (i.e., loss of sensory input through the destruction of sensory nerve fibers) can lead to synesthetic-like experiences.”
https://lnkd.in/dfc7eju