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A task-dependent causal role for low-level visual processes in spoken word comprehension

MPG-Autoren
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Ostarek,  Markus
Psychology of Language Department, MPI for Psycholinguistics, Max Planck Society;
International Max Planck Research School for Language Sciences, MPI for Psycholinguistics, Max Planck Society;

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Huettig,  Falk
Psychology of Language Department, MPI for Psycholinguistics, Max Planck Society;
Donders Institute for Brain, Cognition and Behaviour, External Organizations;

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Volltexte (frei zugänglich)

Ostarek_Huettig_2017.pdf
(Verlagsversion), 396KB

Ergänzendes Material (frei zugänglich)

XLM-2016-2822_supp.docx
(Ergänzendes Material), 35KB

Zitation

Ostarek, M., & Huettig, F. (2017). A task-dependent causal role for low-level visual processes in spoken word comprehension. Journal of Experimental Psychology: Learning, Memory, and Cognition, 43(8), 1215-1224. doi:10.1037/xlm0000375.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-002B-B782-D
Zusammenfassung
It is well established that the comprehension of spoken words referring to object concepts relies on high-level visual areas in the ventral stream that build increasingly abstract representations. It is much less clear whether basic low-level visual representations are also involved. Here we asked in what task situations low-level visual representations contribute functionally to concrete word comprehension using an interference paradigm. We interfered with basic visual processing while participants performed a concreteness task (Experiment 1), a lexical decision task (Experiment 2), and a word class judgment task (Experiment 3). We found that visual noise interfered more with concrete vs. abstract word processing, but only when the task required visual information to be accessed. This suggests that basic visual processes can be causally involved in language comprehension, but that their recruitment is not automatic and rather depends on the type of information that is required in a given task situation.