Coordination of eye gaze and speech in sentence production

Meulen, Femke F. van der

doi:10.1515/9783110919585.39

Cited by 4 publications

References 5 publications

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Real-time production of arguments and adjuncts in normal and agrammatic speakers

Lee

Thompson

2011

Language and Cognitive Processes

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Two eyetracking experiments examined the real-time production of verb arguments and adjuncts in healthy and agrammatic aphasic speakers. Verb argument structure has been suggested to play an important role during grammatical encoding (Bock & Levelt, 1994) and in speech deficits of agrammatic aphasic speakers (Thompson, 2003). However, little is known about how adjuncts are processed during sentence production. The present experiments measured eye movements while speakers were producing sentences with a goal argument (e.g., the mother is applying lotion to the baby) and a beneficiary adjunct phrase (e.g., the mother is choosing lotion for the baby) using a set of computer-displayed written words. Results showed that the sentence production system experiences greater processing cost for producing adjuncts than verb arguments and this distinction is preserved even after brain-damage. In Experiment 1, healthy young speakers showed greater gaze durations and gaze shifts for adjuncts as compared to arguments. The same patterns were found in agrammatic and older speakers in Experiment 2. Interestingly, the three groups of speakers showed different time courses for encoding adjuncts: young speakers showed greater processing cost for adjuncts during speech, consistent with incremental production (Kempen & Hoenkamp, 1987). Older speakers showed this difference both before speech onset and during speech, while aphasic speakers appeared to preplan adjuncts before speech onset. These findings suggest that the degree of incrementality may be affected by speakers’ linguistic capacity.

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Real-time production of arguments and adjuncts in normal and agrammatic speakers

Lee

Thompson

2011

Language and Cognitive Processes

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What goes wrong during passive sentence production in agrammatic aphasia: An eyetracking study

Cho

Thompson

2010

Aphasiology

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The formulation of argument structure in SLI: an eye-movement study

Andreu

Sanz‐Torrent

Olmos

et al. 2013

Clinical Linguistics & Phonetics

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This study investigated the formulation of verb argument structure in Catalan- and Spanish-speaking children with specific language impairment (SLI) and typically developing age-matched controls. We compared how language production can be guided by conceptual factors, such as the organization of the entities participating in an event and knowledge regarding argument structure. Eleven children with SLI (aged 3;8 to 6;6) and eleven control children participated in an eye-tracking experiment in which participants had to describe events with different argument structure in the presence of visual scenes. Picture descriptions, latency time and eye movements were recorded and analyzed. The picture description results showed that the percentage of responses in which children with SLI substituted a non-target verb for the target verb was significantly different from that for the control group. Children with SLI made more omissions of obligatory arguments, especially of themes, as the verb argument complexity increased. Moreover, when the number of arguments of the verb increased, the children took more time to begin their descriptions, but no differences between groups were found. For verb type latency, all children were significantly faster to start describing one-argument events than two- and three-argument events. No differences in latency time were found between two- and three-argument events. There were no significant differences between the groups. Eye-movement showed that children with SLI looked less at the event zone than the age-matched controls during the first two seconds. These differences between the groups were significant for three-argument verbs, and only marginally significant for one- and two-argument verbs. Children with SLI also spent significantly less time looking at the theme zones than their age-matched controls. We suggest that both processing limitations and deficits in the semantic representation of verbs may play a role in these difficulties.

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Coordination of eye gaze and speech in sentence production

Cited by 4 publications

References 5 publications

Real-time production of arguments and adjuncts in normal and agrammatic speakers

Real-time production of arguments and adjuncts in normal and agrammatic speakers

What goes wrong during passive sentence production in agrammatic aphasia: An eyetracking study

The formulation of argument structure in SLI: an eye-movement study

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