Reliability and clinical utility of spatially constrained estimates of intrinsic functional networks from very short fMRI scans

M Duda, A Iraji, JM Ford, KO Lim… - Human brain …, 2023 - Wiley Online Library
Resting‐state functional network connectivity (rsFNC) has shown utility for identifying
characteristic functional brain patterns in individuals with psychiatric and mood disorders …

[HTML][HTML] A whole-brain Neuromark resting-state fMRI analysis of first-episode and early psychosis: Evidence of aberrant cortical-subcortical-cerebellar functional …

KM Jensen, VD Calhoun, Z Fu, K Yang, AV Faria… - NeuroImage: Clinical, 2024 - Elsevier
Psychosis (including symptoms of delusions, hallucinations, and disorganized
conduct/speech) is a main feature of schizophrenia and is frequently present in other major …

[HTML][HTML] Spatial dynamic subspaces encode sex-specific schizophrenia disruptions in transient network overlap and their links to genetic risk

A Iraji, J Chen, N Lewis, A Faghiri, Z Fu, O Agcaoglu… - Biological …, 2024 - Elsevier
Background Schizophrenia research reveals sex differences in incidence, symptoms,
genetic risk factors, and brain function. However, a knowledge gap remains regarding sex …

A spatially constrained independent component analysis jointly informed by structural and functional network connectivity

M Fouladivanda, A Iraji, L Wu, TGM van Erp… - Network …, 2024 - direct.mit.edu
There are a growing number of neuroimaging studies motivating joint structural and
functional brain connectivity. The brain connectivity of different modalities provides an …

The nonlinear brain: towards uncovering hidden brain networks using explicitly nonlinear functional interaction

A Iraji, K Kazimierczak, J Chen… - 2023 IEEE 20th …, 2023 - ieeexplore.ieee.org
Estimating brain functional networks has been commonly accomplished by applying
independent component analysis (ICA) on activity time series collected by resting state fMRI …

Apraxic imitation deficits in Alzheimer's disease are associated with altered dynamic connectivity

TD Kuzu, E Jaeger, AK Bonkhoff, V Wunderle… - medRxiv, 2024 - medrxiv.org
Apraxia is a common symptom in individuals with Alzheimer's disease (AD). However, the
neural mechanisms underlying apraxic deficits in AD remain elusive. Therefore, the current …

Coupling between Time-Varying EEG Spectral Bands and Spatial Dynamic FMRI Networks

S Phadikar, K Pusuluri, KM Jensen… - 2024 IEEE …, 2024 - ieeexplore.ieee.org
Functional brain networks exhibit changes in both temporal and spatial dimensions.
Simultaneous electroencephalography (EEG) and resting-state functional magnetic …

Static and Dynamic Cross-Network Functional Connectivity Shows Elevated Entropy in Schizophrenia Patients

N Maksymchuk, JR Bustillo, DH Mathalon, A Preda… - …, 2024 - pmc.ncbi.nlm.nih.gov
Schizophrenia (SZ) patients exhibit abnormal static and dynamic functional connectivity
across various brain domains. We present a novel approach based on static and dynamic …

Joint Structural and Functional Connectivity Learning Based Independent Component Analysis

M Fouladivanda, A Iraji, L Wu… - 2023 IEEE 33rd …, 2023 - ieeexplore.ieee.org
There has been increasing development in multimodal approaches to neuroimaging with
the goal of leveraging complementary information across multiple modalities for brain …

Capturing Spatial Dynamics Using Time-Resolved Referenced-Informed Network Estimation Techniques

A Iraji, J Chen, A Faghiri, Z Fu, J Liu… - 2023 IEEE 20th …, 2023 - ieeexplore.ieee.org
We recently showed that the brain is spatially dynamic, ie, the spatial patterns of brain
networks evolve over time. Yet, most studies, even those studying brain dynamics, omit this …