Crossword clue: a sensation that normally occurs in one sense modality occurs when another modality is stimulated

The most common answer is synaesthesia (12 letters).

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

synaesthesia 12 letters wn-def

a sensation that normally occurs in one sense modality occurs when another modality is stimulated

synesthesia 11 letters wn-def

a sensation that normally occurs in one sense modality occurs when another modality is stimulated