ArticleCerebral cortex (New York, N.Y. : 1991)2021
Working Memory for Signs with Poor Visual Resolution: fMRI Evidence of Reorganization of Auditory Cortex in Deaf Signers.
Article in Cerebral cortex (New York, N.Y. : 1991), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 14 citations in OpenAlex.
- Differential cross-modal functional plasticity in deaf individuals: A meta-analysis of neuroimaging studies.iScience · 2026Article
- The impact of language proficiency on task-dependent neural activity and functional connectivity: insights from deafness.Cerebral cortex (New York, N.Y. : 1991) · 2026Article
- Auditory areas are recruited for naturalistic visual meaning in early deaf people.Nature communications · 2024Article
- Mapping the unique neural engagement in deaf individuals during picture, word, and sign language processing: fMRI study.Brain imaging and behavior · 2024Article
- Facial mimicry interference reduces working memory accuracy for facial emotion expressions.PloS one · 2024Article
- Sensory experience modulates the reorganization of auditory regions for executive processing.Brain : a journal of neurology · 2022Article
- The cognitive hearing science perspective on perceiving, understanding, and remembering language: The ELU model.Frontiers in psychology · 2022Review
- Associations Between Sign Language Skills and Resting-State Functional Connectivity in Deaf Early Signers.Frontiers in psychology · 2022Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Stimulus degradation adds to working memory load during speech processing. We investigated whether this applies to sign processing and, if so, whether the mechanism implicates secondary auditory cortex. We conducted an fMRI experiment where 16 deaf early signers (DES) and 22 hearing non-signers performed a sign-based n-back task with three load levels and stimuli presented at high and low resolution. We found decreased behavioral performance with increasing load and decreasing visual resolution, but the neurobiological mechanisms involved differed between the two manipulations and did so for both groups. Importantly, while the load manipulation was, as predicted, accompanied by activation in the frontoparietal working memory network, the resolution manipulation resulted in temporal and occipital activation. Furthermore, we found evidence of cross-modal reorganization in the secondary auditory cortex: DES had stronger activation and stronger connectivity between this and several other regions. We conclude that load and stimulus resolution have different neural underpinnings in the visual-verbal domain, which has consequences for current working memory models, and that for DES the secondary auditory cortex is involved in the binding of representations when task demands are low.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.