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I see what you meant to say: Anticipating speech errors during online sentence processing.

ABSTRACT: Everyday speech is rife with errors and disfluencies, yet processing what we hear usually feels effortless. How does the language comprehension system accomplish such an impressive feat? The current experiment tests the hypothesis that listeners draw on relevant contextual and linguistic cues to anticipate speech errors and mentally correct them, even before receiving an explicit correction from the speaker. In the current visual-world eye-tracking experiment, we monitored participants' eye movements to objects in a display while they listened to utterances containing reparandum-repair speech errors (e.g., . . . his cat, uh I mean his dog . . .). The contextual plausibility of the misspoken word and the certainty with which the speaker uttered this word were systematically manipulated. Results showed that listeners immediately exploited these cues to generate top-down expectations regarding the speaker's communicative intention. Crucially, listeners used these expectations to constrain the bottom-up speech input and mentally correct perceived speech errors, even before the speaker initiated the correction. The results provide powerful evidence regarding the joint process of correcting speech errors that involves both the speaker and the listener. (PsycINFO Database Record (c) 2019 APA, all rights reserved).

SUBMITTER: Lowder MW

PROVIDER: S-EPMC6579724 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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I see what you meant to say: Anticipating speech errors during online sentence processing.

Lowder Matthew W MW Ferreira Fernanda F

Journal of experimental psychology. General 20181217 10

Everyday speech is rife with errors and disfluencies, yet processing what we hear usually feels effortless. How does the language comprehension system accomplish such an impressive feat? The current experiment tests the hypothesis that listeners draw on relevant contextual and linguistic cues to anticipate speech errors and mentally correct them, even before receiving an explicit correction from the speaker. In the current visual-world eye-tracking experiment, we monitored participants' eye move ...[more]

PMID: 30556724

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Project description:Prosodic constraints play a fundamental role during both spoken sentence comprehension and silent reading. In Chinese, the rhythmic pattern of the verb-object (V-O) combination has been found to rapidly affect the semantic access/integration process during sentence reading (Luo and Zhou, 2010). Rhythmic pattern refers to the combination of words with different syllabic lengths, with certain combinations disallowed (e.g., [2 + 1]; numbers standing for the number of syllables of the verb and the noun respectively) and certain combinations preferred (e.g., [1 + 1] or [2 + 2]). This constraint extends to the situation in which the combination is used to modify other words. A V-O phrase could modify a noun by simply preceding it, forming a V-O-N compound; when the verb is disyllabic, however, the word order has to be O-V-N and the object is preferred to be disyllabic. In this study, we investigated how the reader processes the rhythmic pattern and word order information by recording the reader's eye-movements. We created four types of sentences by crossing rhythmic pattern and word order in compounding. The compound, embedding a disyllabic verb, could be in the correct O-V-N or the incorrect V-O-N order; the object could be disyllabic or monosyllabic. We found that the reader spent more time and made more regressions on and after the compounds when either type of anomaly was detected during the first pass reading. However, during re-reading (after all the words in the sentence have been viewed), less regressive eye movements were found for the anomalous rhythmic pattern, relative to the correct pattern; moreover, only the abnormal rhythmic pattern, not the violated word order, influenced the regressive eye movements. These results suggest that while the processing of rhythmic pattern and word order information occurs rapidly during the initial reading of the sentence, the process of recovering from the rhythmic pattern anomaly may ease the reanalysis processing at the later stage of sentence integration. Thus, rhythmic pattern in Chinese can dynamically affect both local phrase analysis and global sentence integration during silent reading.

Project description:Healthy aging leads to complex changes in the functional network of speech processing in a noisy environment. The dual-route neural architecture has been applied to the study of speech processing. Although evidence suggests that senescent increases activity in the brain regions across the dorsal and ventral stream regions to offset reduced periphery, the regulatory mechanism of dual-route functional networks underlying such compensation remains largely unknown. Here, by utilizing functional near-infrared spectroscopy (fNIRS), we investigated the compensatory mechanism of the dual-route functional connectivity, and its relationship with healthy aging by using a speech perception task at varying signal-to-noise ratios (SNR) in healthy individuals (young adults, middle-aged adults, and older adults). Results showed that the speech perception scores showed a significant age-related decrease with the reduction of the SNR. The analysis results of dual-route speech processing networks showed that the functional connection of Wernicke's area and homolog Wernicke's area were age-related increases. Further to clarify the age-related characteristics of the dual-route speech processing networks, graph-theoretical network analysis revealed an age-related increase in the efficiency of the networks, and the age-related differences in nodal characteristics were found both in Wernicke's area and homolog Wernicke's area under noise environment. Thus, Wernicke's area might be a key network hub to maintain efficient information transfer across the speech process network with healthy aging. Moreover, older adults would recruit more resources from the homologous Wernicke's area in a noisy environment. The recruitment of the homolog of Wernicke's area might provide a means of compensation for older adults for decoding speech in an adverse listening environment. Together, our results characterized dual-route speech processing networks at varying noise environments and provided new insight for the compensatory theories of how aging modulates the dual-route speech processing functional networks.

Dataset Information

I see what you meant to say: Anticipating speech errors during online sentence processing.

Publications

I see what you meant to say: Anticipating speech errors during online sentence processing.

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