Perception and lexical representation of the innovative variant of /lp/ in Korean
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As Korean phonotactic constraints do not allow consonant clusters in the syllable coda position, tautosyllabic clusters are realized as a single (first or second) consonant of a cluster when followed by another consonant. However, recent phonetic studies have reported that clusters with a lateral and obstruent have been undergoing a change in preserving the first consonant, or even both consonants. Across two experiments, this study investigated Korean speakers’ perceptual and lexical encoding of an innovative variant (i.e., [lp]) of the cluster /lp/ where the on-going change is most noticeable. Experiment 1 involved a speeded AX discrimination task to examine the perception of the innovative variant. Results revealed that Korean speakers had difficulty discriminating word pairs when one member of the pair contained [lp], suggesting that this variant is not categorically perceived. In Experiment 2, a long-term repetition priming lexical decision task was performed to observe the storage of the innovative variant in the lexicon. Significant priming was found for this variant, which was equivalent to that of the identity pairs, indicating that the innovative variant [lp] is stored as a separate category in long-term memory.
Abstract
As Korean phonotactic constraints do not allow consonant clusters in the syllable coda position, tautosyllabic clusters are realized as a single (first or second) consonant of a cluster when followed by another consonant. However, recent phonetic studies have reported that clusters with a lateral and obstruent have been undergoing a change in preserving the first consonant, or even both consonants. Across two experiments, this study investigated Korean speakers’ perceptual and lexical encoding of an innovative variant (i.e., [lp]) of the cluster /lp/ where the on-going change is most noticeable. Experiment 1 involved a speeded AX discrimination task to examine the perception of the innovative variant. Results revealed that Korean speakers had difficulty discriminating word pairs when one member of the pair contained [lp], suggesting that this variant is not categorically perceived. In Experiment 2, a long-term repetition priming lexical decision task was performed to observe the storage of the innovative variant in the lexicon. Significant priming was found for this variant, which was equivalent to that of the identity pairs, indicating that the innovative variant [lp] is stored as a separate category in long-term memory.