On lexical and sublexical contributions to transposed-phoneme priming effects
Résumé
Speech input like [byt] has been shown to facilitate not only the subsequent processing of an identical target word /byt/ but also that of a target word /tyb/ that contains the same phonemes in a different order. In the TISK model of spoken word recognition (Hannagan et al., 2013), this transposed-phoneme priming effect could result from the activation of shared positionindependent phonemes (i.e., a sublexical effect) or pre-activation of the lexical representation corresponding to the transposed-phoneme target word by the prime (i.e., a lexical effect). In this study, we aimed to distinguish sublexical and lexical contributions to transposedphoneme priming effects by 1) manipulating the lexical status of primes, and 2) by examining if transposed-phoneme effects occur when targets are nonwords. An inhibitory transposedphoneme priming effect was observed when target nonwords (e.g., /tad/) were preceded by transposed-phoneme word primes (e.g., /dat/). In contrast, there was a small non-significant facilitatory priming effect when target nonwords (e.g., /nuk/) were preceded by transposedphoneme nonword primes (/kun/). These findings point to a greater contribution of lexical representations than sublexical representations in driving transposed-phoneme priming effects.
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