Yuelin Li, Jennifer Lord-Bessen, Mariya Shiyko, Rebecca Loeb
Bayesian Latent Class Analysis Tutorial
Multivariate behavioral research
study explores compensatory neural mechanisms associated congenital deafness examination tactile discrimination abilities using highresolution functional magnetic resonance imaging fmri analyze neural substrates underlying tactile processing congenitally deaf individuals compare hearing controls participant pool included thirtyfive congenitally deaf individuals thirtyfive hearing controls participants engaged tactile discrimination tasks involving identification common objects touch utilized analytical suite comprising voxelbased statistics functional connectivity multivariatevoxel pattern analysis fcmvpa seedbased connectivity analysis examine neural activity findings revealed pronounced neural activity congenitally deaf participants within regions typically associated auditory processing including bilateral superior temporal gyrus right middle temporal gyrus right rolandic operculum additionally unique activation connectivity patterns observed right insula bilateral supramarginal gyrus indicating strategic reorganization neural pathways tactile information processing behaviorally groups demonstrated high accuracy tactile tasks exceeding 90 however deaf participants outperformed hearing counterparts reaction times showcasing significantly enhanced efficiency tactile information processing insights brains adaptability sensory loss compensatory neural reorganization highlight intricate mechanisms tactile discrimination enhanced absence auditory input understanding adaptations help develop strategies harness brains plasticity improve sensory processing individuals sensory impairments ultimately enhancing quality life improved tactile perception sensory integration