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A Semantic Priming Event-related Potential (ERP) Task to Study Lexico-semantic and Visuo-semantic Processing in Autism Spectrum Disorder
Published on: April 12, 2018
Name agreement in picture naming: an ERP study.
Xiaorong Cheng1, Graham Schafer, Elkan G Akyürek
1School of Psychology and Clinical Language Sciences, University of Reading, Reading, Harry Pitt Building, Earley Gate, Whiteknights Road, Reading, Berkshire, RG6 6AL, UK.
Summary
Picture naming speed is influenced by how well people agree on a name. This study used event-related potentials (ERPs) to show name agreement impacts early object recognition and later word selection processes.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Linguistics
Background:
- Name agreement refers to shared consensus on a picture's name.
- Prior research indicates slower naming for low name agreement pictures.
- The online cognitive processes underlying this effect require further investigation.
Purpose of the Study:
- To investigate the impact of name agreement on the real-time processing of picture naming.
- To identify specific event-related potential (ERP) components affected by name agreement.
Main Methods:
- Recorded ERPs from 19 healthy English speakers silently naming high vs. low name agreement pictures.
- Analyzed ERP components including P1, N1, P2, N2, P3, and a late window (800-900ms).
Main Results:
- Name agreement exerted an early influence, evident from the P1 component (approx. 120ms).
- Effects extended through the N2 component (approx. 290ms), potentially reflecting lexical ambiguity.
- ERP data suggest name agreement affects both object recognition and lexical selection/phonological encoding.
Conclusions:
- Name agreement influences early visual processing and object recognition.
- It also impacts later stages of language production, specifically lexical selection and phonological encoding.
- These findings highlight the role of semantic consensus in the cognitive architecture of word retrieval.
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