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Sustained attention in language production: an individual differences investigation
Suzanne R Jongman1, Ardi Roelofs, Antje S Meyer
1a Max Planck Institute for Psycholinguistics , Nijmegen , The Netherlands.
Quarterly Journal of Experimental Psychology (2006)
|September 13, 2014
Summary
Sustained attention, the ability to maintain alertness, is crucial for language production, particularly after phonological encoding. Its importance is magnified when performing multiple tasks simultaneously.
Area of Science:
- Cognitive Psychology
- Psycholinguistics
- Neuroscience
Background:
- Language production was traditionally viewed as automatic.
- Emerging evidence indicates that attentional processes are involved in language production.
- Sustained attention, the ability to maintain alertness over time, has not been fully explored in this context.
Purpose of the Study:
- To investigate the role of sustained attention in language production.
- To determine when sustained attention is most critical during speech production.
- To examine how dual-tasking affects the demand on sustained attention for language.
Main Methods:
- Experiment 1: Assessed sustained attention using continuous performance tasks. Participants then performed a picture-naming task concurrently with an arrow-discrimination task, measuring vocal/manual response times and gaze durations.
- Experiment 2: Compared sustained attention demands in single-task (picture naming) versus dual-task (picture naming and arrow discrimination) conditions.
Main Results:
- Sustained attention ability correlated with slower vocal response times, suggesting its importance after phonological encoding.
- No correlation was found between sustained attention and gaze duration, which reflects earlier stages of language planning.
- Sustained attention's involvement was significantly greater in the dual-task condition compared to simple naming.
Conclusions:
- Sustained attention plays a significant role in language production, particularly in later stages.
- Attentional demands on language production increase substantially under dual-task conditions.
- Individual differences in sustained attention become more apparent when cognitive resources are divided.
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