Tapan Kumar Gandhi
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View article: Multimodal Imaging and Logistic Weighted Cognitive Scores for Classification of MCI, AD, and FTD Subtypes
Multimodal Imaging and Logistic Weighted Cognitive Scores for Classification of MCI, AD, and FTD Subtypes Open
Background Differentiating between mild cognitive impairment (MCI), Alzheimer’s disease (AD), and frontotemporal dementia (FTD) subtypes remains a clinical challenge due to overlapping cognitive symptoms, structural atrophy, and metabolic …
View article: Neural Correlates of Perceptual Grouping in Brain
Neural Correlates of Perceptual Grouping in Brain Open
Humans are proficient in detecting even subtle regularities in their sensory inputs. In the specific context of vision, one manifestation of this ability is the perception of structures embedded in noisy backgrounds. Here we use electrophy…
View article: Unveiling Development of Face Perception Ability for Congenital Cataract Subjects using Functional Connectivity
Unveiling Development of Face Perception Ability for Congenital Cataract Subjects using Functional Connectivity Open
Face perception is a central component of human visual cognition, yet its development following early visual deprivation is not fully understood. This study examines how congenitally visually deprived children acquire and refine face perce…
View article: Development of Perceptual Grouping Ability after Longer Periods of Post-operative Visual Experience
Development of Perceptual Grouping Ability after Longer Periods of Post-operative Visual Experience Open
The adaptability of the human visual system to comprehend complex environmental inputs is remarkable. However, it is unclear whether this ability is innate or develops over time with experience. We have attempted to investigate how individ…
View article: Neural Oscillations during Perceptual Grouping: Insights from Alpha and Theta Bands in Visual Perception Tasks
Neural Oscillations during Perceptual Grouping: Insights from Alpha and Theta Bands in Visual Perception Tasks Open
Perceptual grouping, the brain’s ability to organize visual stimuli into coherent objects and patterns, is thought to rely on distinct neural oscillations across various frequency bands. However, the specific contributions of these frequen…
View article: Multimodal MRI Reveals Consistent Basal Ganglia and Limbic System Alterations in COVID-19 Survivors
Multimodal MRI Reveals Consistent Basal Ganglia and Limbic System Alterations in COVID-19 Survivors Open
The long-term impact of COVID-19 on the brain is multifaceted, encompassing structural and functional disruptions. A cohesive theory of the underlying mechanisms of the Post-COVID Syndrome (PCS) remains unknown, primarily due to high varia…
View article: Center of Excellence (CoE) in sustainable Ayush at IIT, Delhi - A significant step towards growing Ayurveda with advanced technology integration and sustainability
Center of Excellence (CoE) in sustainable Ayush at IIT, Delhi - A significant step towards growing Ayurveda with advanced technology integration and sustainability Open
The establishment of the Center of Excellence (CoE) in Sustainable Ayush at the Indian Institute of Technology, Delhi marks a significant advancement in integrating modern science and sustainability with traditional Ayurvedic practices, sp…
View article: Brain Age Group Classification Based on Resting State Functional Connectivity Metrics
Brain Age Group Classification Based on Resting State Functional Connectivity Metrics Open
This study investigated age-related changes in functional connectivity using resting-state fMRI and explored the efficacy of traditional deep learning for classifying brain developmental stages (BDS). Functional connectivity was assessed u…
View article: Multiplex connectomics reveal altered networks in frontotemporal dementia: A multisite study
Multiplex connectomics reveal altered networks in frontotemporal dementia: A multisite study Open
A network neuroscience perspective can significantly advance the understanding of neurodegenerative disorders, particularly frontotemporal dementia (FTD). This study employed an innovative multiplex connectomics approach, integrating corti…
View article: Multimodal MRI reveals consistent basal ganglia and limbic system alterations in COVID-19 survivors
Multimodal MRI reveals consistent basal ganglia and limbic system alterations in COVID-19 survivors Open
The long-term impact of COVID-19 on the brain is multifaceted, encompassing structural and functional disruptions. A cohesive theory of the underlying mechanisms of the Post-COVID Syndrome (PCS) remains unknown, primarily due to high varia…
View article: Adopting Augmented Reality to Improve Visual Inspection in a Single-Visit Cervical Cancer Screening Framework
Adopting Augmented Reality to Improve Visual Inspection in a Single-Visit Cervical Cancer Screening Framework Open
Background Cervical cancer is a major public health concern in India, accounting for one-fifth of the global burden. This study examines the use of Augmented Reality (AR) technology to enhance diagnostic accuracy among healthcare providers…
View article: Evaluating tDCS Intervention Effectiveness via Functional Connectivity Network on Resting-State EEG Data in Major Depressive Disorder
Evaluating tDCS Intervention Effectiveness via Functional Connectivity Network on Resting-State EEG Data in Major Depressive Disorder Open
Transcranial direct current stimulation (tDCS) has emerged as a promising non-invasive therapeutic intervention for major depressive disorder (MDD), yet its effects on neural mechanisms remain incompletely understood. This study investigat…
View article: Assessing the impact of color on recognition performance in late-sighted and controls: Response to Thomas Wallis and Joshua Martin
Assessing the impact of color on recognition performance in late-sighted and controls: Response to Thomas Wallis and Joshua Martin Open
We thank Wallis and Martin [1] for their comments and additional analyses of the data we presented in our recent paper [2]. In essence, they argue that our finding of late-sighted children relying more on color cues than normally-sighted c…
View article: Effective Age Group Classification with ERP-Based Channel Selection in Audio-Visual Tasks
Effective Age Group Classification with ERP-Based Channel Selection in Audio-Visual Tasks Open
This preliminary study examines the temporal dynamics of multisensory integration in early to mid-adulthood, identifying five Regions of Interest (ROIs) and analyzing integration times from 0-500ms. Age-related differences in multisensory …
View article: An interactive framework for the evaluation and detection of stereoacuity threshold under ambient lighting
An interactive framework for the evaluation and detection of stereoacuity threshold under ambient lighting Open
Objective: Our study aims to provide a novel framework for the continuous evaluation of stereoacuity under ambient lighting conditions using Bayesian inference. Methods: We applied a combination of psychophysical and expected entropy minim…