Nonverbal Communication Processing in Deaf Adults: An Activation Likelihood Estimation Meta-Analysis

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Publicado no:Brain Sciences vol. 15, no. 12 (2025), p. 1299-1322
Autor principal: Mo Shimin
Outros Autores: Dimitrijevic, Andrew, Claude, Alain
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MDPI AG
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022 |a 2076-3425 
024 7 |a 10.3390/brainsci15121299  |2 doi 
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100 1 |a Mo Shimin  |u Institute of Medical Science, Temerty Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada; andrew.dimitrijevic@sunnybrook.ca (A.D.); calain@research.baycrest.org (C.A.) 
245 1 |a Nonverbal Communication Processing in Deaf Adults: An Activation Likelihood Estimation Meta-Analysis 
260 |b MDPI AG  |c 2025 
513 |a Review 
520 3 |a Background/Objectives: Hearing loss affects spoken language processing and leads to cortical reorganization in sensory systems. While neuroimaging research has explored cross-modal plasticity in visual language processing, there is a need to identify brain activation patterns consistently activated across different nonverbal communication tasks in deaf individuals. We hypothesized that deaf adults would show convergent activation across studies in visual and auditory cortices during nonverbal communication processing compared to typical hearing adults. Methods: To test this, we conducted an Activation Likelihood Estimation analysis of 14 neuroimaging studies using different visual linguistic stimuli and tasks in adults with prelingual deafness and age-matched hearing controls. Results: Contrary to expectations, deaf individuals did not show intramodal activation in the visual cortex. Instead, they demonstrated convergence activation in the left superior temporal gyrus only, indicating cross-modal recruitment of auditory regions, which supports visual-spatial language processing. Conclusions: These findings highlight the need for future research to clarify how cortical reorganization impacts speech perception outcomes following auditory restoration using neuroprostheses like cochlear implants. 
653 |a Somatosensory cortex 
653 |a Speech perception 
653 |a Transplants & implants 
653 |a Prosthetics 
653 |a Language 
653 |a Hearing loss 
653 |a Visual plasticity 
653 |a Image processing 
653 |a Deafness 
653 |a Visual stimuli 
653 |a Neuroplasticity 
653 |a Phonology 
653 |a Nonverbal communication 
653 |a Superior temporal gyrus 
653 |a Sign language 
653 |a Sensorimotor integration 
653 |a Temporal lobe 
653 |a Hearing protection 
653 |a Sensory systems 
653 |a Visual cortex 
653 |a Linguistics 
653 |a Information processing 
653 |a Sensory integration 
653 |a Lipreading 
653 |a Neuroimaging 
653 |a Speech 
653 |a Cross-modal 
653 |a Cochlea 
653 |a Temporal gyrus 
653 |a Semantics 
700 1 |a Dimitrijevic, Andrew  |u Institute of Medical Science, Temerty Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada; andrew.dimitrijevic@sunnybrook.ca (A.D.); calain@research.baycrest.org (C.A.) 
700 1 |a Claude, Alain  |u Institute of Medical Science, Temerty Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada; andrew.dimitrijevic@sunnybrook.ca (A.D.); calain@research.baycrest.org (C.A.) 
773 0 |t Brain Sciences  |g vol. 15, no. 12 (2025), p. 1299-1322 
786 0 |d ProQuest  |t Biological Science Database 
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