The Acoustic-Key Hypothesis of Taboo Language (AKHTL): A Testable Model Linking Acoustic Structure, Emotional Conditioning, and Swearing-Induced Hypoalgesia

The Acoustic-Key Hypothesis of Taboo Language (AKHTL) proposes a testable theoretical model in which certain taboo utterances may function as complex acoustic-emotional keys. Experimental research has demonstrated that swearing can influence pain threshold and pain tolerance, a phenomenon commonly described as swearing-induced hypoalgesia. Separate lines of research have also identified measurable autonomic responses to taboo language and cross-linguistic phonetic regularities in profanity. AKHTL proposes that physiological and subjective effects associated with swearing may emerge from an interaction among acoustic structure, phonetic composition, prosody, vocal intensity, respiratory-vocal production, semantic meaning, emotional conditioning, autobiographical associations, and taboo status. The hypothesis does not posit a single universal “frequency of swearing.” Instead, it predicts that measurable acoustic properties of taboo utterances may contribute independently to physiological and hypoalgesic effects while interacting with learned emotional and semantic components. The model generates experimentally testable and falsifiable predictions designed to distinguish acoustic contributions from semantic, emotional, and cultural effects. Hypothesis proposed by Taniia Hotskaia, 2026. Initial formal formulation, Version 1.0.