Multisensory Input Modulates P200 and L2 Sentence Comprehension: A One-Week Consolidation Phase
Nasim Boustani1, Reza Pishghadam1, Shaghayegh Shayesteh1
1Department of English, Ferdowsi University of Mashhad, Mashhad, Iran.
Frontiers in Psychology
|October 7, 2021
Summary
Engaging multiple senses aids second language (L2) learning. Using five senses, compared to three, significantly improved L2 vocabulary retrieval and comprehension, enhancing both behavioral and electrophysiological responses.
Area of Science:
- Cognitive Neuroscience
- Second Language Acquisition
- Psycholinguistics
Background:
- Multisensory input is recognized as beneficial for language comprehension.
- The specific impact of varying sensory combinations on cognitive processing and event-related potentials (ERPs) during L2 sentence comprehension requires further investigation.
- Understanding how sensory richness influences attention and memory retrieval in L2 learning is crucial.
Purpose of the Study:
- To investigate the effect of multisensory input (three vs. five senses) on L2 sentence comprehension.
- To examine the influence of sensory input on the P200 and N400 event-related potential (ERP) components.
- To assess behavioral and electrophysiological distinctions in information retrieval based on sensory combinations.
Main Methods:
- Eighteen subjects received multisensory input (three or five senses) for unfamiliar words.
- Participants completed an acceptability judgment task with pragmatically correct/incorrect sentences.
- Behavioral responses and event-related potentials (ERPs) were recorded after a one-week consolidation period.
Main Results:
- Behavioral analysis revealed that five-sense input led to more accurate and faster responses compared to three-sense input.
- Electrophysiological data showed a larger P200 amplitude with five-sense input, indicating enhanced attention.
- The N400 component did not show significant differences between the sensory conditions, suggesting later processing stages were unaffected.
Conclusions:
- Increasing the sensory weight of input facilitates vocabulary retrieval and directs more attention to L2 sentence comprehension.
- Five-sense input enhances cognitive processing for L2 learning, leading to improved behavioral outcomes.
- While early attention-related ERPs (P200) are sensitive to sensory input, later components (N400) may not reflect these benefits.
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