ArticleCerebral cortex (New York, N.Y. : 1991)2025
Cross-modal functional plasticity after cochlear implantation.
Article in Cerebral cortex (New York, N.Y. : 1991), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- Dynamic functional connectivity following cochlear implantation: Predicting speech outcomes and exploring brain network dynamics.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Objective assessment of tinnitus laterality.PloS one · 2025Article
- Article
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6 authors.
Funding
Abstract
Despite evidence that cross-modal effects after hearing loss and cochlear implantation are primarily driven by synaptic gain and efficacy, few studies have evaluated cross-modal functional connectivity (CMFC) to assess plasticity. This study, inspired by the psychophysiological interaction (PPI) method, addresses its limitations and provides a robust approach for assessing task-induced CMFC. Twenty-three postlingually deafened cochlear implant (CI) recipients and 17 normal-hearing (NH) participants took part in the study. Functional near-infrared spectroscopy was used to measure brain activity during audio-only and visual-only speech tasks, with resting-state FC as a baseline, at 1 month and 1 year postimplantation. CI users' speech understanding was assessed 1 year postimplantation. Significant negative correlations were observed between contralateral task-induced CMFC and speech outcomes, particularly in links from the angular gyrus (AG) to the visual cortex. One year after CI activation, higher task-induced CMFC was found in AG compared to the superior temporal gyrus, reflecting neural efficiency principles. Task-induced CMFC remained elevated in CI users compared to NH even after 1 year. These findings suggest task-induced CMFC as a significant marker of cross-modal plasticity and speech performance in CI recipients.
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