Pure linguistic interference during comprehension of competing speech signals
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SourceThe Journal of the Acoustical Society of America, 141, 3, (2017), pp. EL249-EL254
Article / Letter to editor
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SW OZ DCC PL
PI Group Neurobiology of Language
PI Group Neuronal Oscillations
The Journal of the Acoustical Society of America
Subject110 000 Neurocognition of Language; DI-BCB_DCC_Theme 1: Language and Communication; Psycholinguistics
Speech-in-speech perception can be challenging because the processing of competing acoustic and linguistic information leads to informational masking. Here, a method is proposed to isolate the linguistic component of informational masking while keeping the distractor's acoustic information unchanged. Participants performed a dichotic listening cocktail-party task before and after training on 4-band noise-vocoded sentences that became intelligible through the training. Distracting noise-vocoded speech interfered more with target speech comprehension after training (i.e., when intelligible) than before training (i.e., when unintelligible) at -3 dB SNR. These findings confirm that linguistic and acoustic information have distinct masking effects during speech-in‐speech comprehension.
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