Journal
QUARTERLY JOURNAL OF EXPERIMENTAL PSYCHOLOGY
Volume 63, Issue 4, Pages 639-645Publisher
PSYCHOLOGY PRESS
DOI: 10.1080/17470210903469864
Keywords
Syntactic ambiguity resolution; Prosody; Pupillometry; Visual context; Processing effort
Funding
- National Institutes of Health (NIH) [MH65310]
- National Science Foundation Integrative Graduate Education and Research Traineeship (NSF IGERT) [DGE- 0114378]
- NATIONAL INSTITUTE OF MENTAL HEALTH [R01MH065310] Funding Source: NIH RePORTER
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This study investigated processing effort by measuring peoples' pupil diameter as they listened to sentences containing a temporary syntactic ambiguity. In the first experiment, we manipulated prosody. The results showed that when prosodic structure conflicted with syntactic structure, pupil diameter reliably increased. In the second experiment, we manipulated both prosody and visual context. The results showed that when visual context was consistent with the correct interpretation, prosody had very little effect on processing effort. However, when visual context was inconsistent with the correct interpretation, prosody had a large effect on processing effort. The interaction between visual context and prosody shows that visual context has an effect on online processing and that it can modulate the influence of linguistic sources of information, such as prosody. Pupillometry is a sensitive measure of processing effort during spoken language comprehension.
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