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Related Experiment Video

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Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns

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Published on: May 12, 2019

Assimilation and accommodation patterns in ventral occipitotemporal cortex in learning a second writing system.

Jessica R Nelson¹, Ying Liu, Julie Fiez

¹Department of Psychology, Learning Research and Development Center, Liaoning Normal University, Pittsburgh, Pennsylvania, USA. perfetti@pitt.edu or jen33@pitt.edu

Human Brain Mapping

|April 3, 2008

Summary

Neuroimaging reveals how the brain processes written languages. English speakers learning Chinese adapt their reading network, while native Chinese speakers assimilate English, demonstrating distinct neural patterns for bilingual reading.

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Area of Science:

Neuroscience
Cognitive Science
Linguistics

Background:

The human brain's reading network is highly adaptable.
Understanding how different writing systems interact within this network is crucial for cognitive neuroscience.
Bilingualism presents unique challenges and opportunities for studying neural plasticity.

Purpose of the Study:

To compare fusiform activity patterns in response to English and Chinese text.
To investigate how native language and learning experience influence neural processing of written language.
To elucidate the neural mechanisms underlying reading acquisition in a second language.

Main Methods:

Functional magnetic resonance imaging (fMRI) was employed to measure brain activity.
Participants included native English speakers learning Chinese and fluent Chinese-English bilinguals.
Activity in the fusiform gyrus was analyzed while participants viewed English and Chinese text.

Main Results:

Fusiform activity patterns differed based on writing system and reader's native language.
Native Chinese speakers (fluent in English) showed bilateral fusiform activation for both languages.
English speakers learning Chinese exhibited left-lateralized activation for English and recruited additional right fusiform areas for Chinese.

Conclusions:

English learners of Chinese demonstrate an 'accommodation' pattern, recruiting new neural resources for the second writing system.
Native Chinese speakers exhibit an 'assimilation' pattern, integrating the second language into their existing reading network.
These findings highlight distinct neural strategies for processing visually dissimilar writing systems in bilingual individuals.