Publications by authors named "Kalpana Dhanik"
In this investigation, we delve into the neural underpinnings of auditory processing of Sanskrit verse comprehension, an area not previously explored by neuroscientific research. Our study examines a diverse group of 44 bilingual individuals, including both proficient and non-proficient Sanskrit speakers, to uncover the intricate neural patterns involved in processing verses of this ancient language. Employing an integrated neuroimaging approach that combines functional connectivity-multivariate pattern analysis (fc-MVPA), voxel-based univariate analysis, seed-based connectivity analysis, and the use of sparse fMRI techniques to minimize the interference of scanner noise, we highlight the brain's adaptability and ability to integrate multiple types of information.
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- This study investigates how the brain compensates for congenital deafness by focusing on tactile discrimination abilities through high-resolution fMRI imaging.
- The research involved 35 congenitally deaf individuals and 35 hearing controls, who performed tasks to identify objects by touch while their brain activity was analyzed using advanced statistical techniques.
- Results showed that deaf participants had unique neural activations in areas usually tied to hearing, and they excelled in reaction times compared to hearing individuals, suggesting adaptive changes in their brain that enhance tactile processing.
Article Synopsis
- Conducted a study using fMRI to analyze brain responses during sign language, picture, and word processing tasks in 35 deaf participants versus 35 hearing participants.
- Deaf individuals showed significant brain activation in specific regions during sign language and picture processing, revealing adaptations in their neural pathways due to auditory deprivation.
- The study highlighted unique activation patterns and connectivity in the deaf population, suggesting compensatory mechanisms in their language processing compared to hearing counterparts.
Within the intricate matrices of cognitive neuroscience, auditory deprivation acts as a catalyst, propelling a cascade of neuroanatomical adjustments that have, until now, been suboptimally articulated in extant literature. Addressing this gap, our study harnesses high-resolution 3 T MRI modalities to unveil the multifaceted cortical transformations that emerge in tandem with congenital auditory deficits. We conducted a rigorous cortical surface analysis on a cohort of 90 congenitally deaf individuals, systematically compared with 90 normoacoustic controls.
View Article and Find Full Text PDFDecoding auditory deprivation: resting-state fMRI insights into deafness and brain plasticity.
Brain Struct Funct
April 2024
Deafness, as a profound manifestation of sensory deprivation, prompts a cascade of intricate cerebral adaptations. In this study, involving 35 deaf individuals and 35 hearing controls, we utilized resting-state functional magnetic resonance imaging (rs-fMRI) to delve into the depths of functional connectivity nuances distinguishing deaf individuals from their hearing counterparts. Leading our analytical approach was the application of multi-voxel pattern analysis (fc-MVPA).
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