High-resolution fMRI at 7 Tesla: challenges, promises and recent developments for individual-focused fMRI studies

O Viessmann, JR Polimeni - Current opinion in behavioral sciences, 2021 - Elsevier
Limited detection power has been a bottleneck for subject-specific functional MRI (fMRI)
studies; however, the higher signal-to-noise ratio afforded by ultra-high magnetic fields (≥ 7 …

Quality and denoising in real‐time functional magnetic resonance imaging neurofeedback: A methods review

S Heunis, R Lamerichs, S Zinger… - Human Brain …, 2020 - Wiley Online Library
Neurofeedback training using real‐time functional magnetic resonance imaging (rtfMRI‐NF)
allows subjects voluntary control of localised and distributed brain activity. It has sparked …

[HTML][HTML] A generative model of whole-brain effective connectivity

S Frässle, EI Lomakina, L Kasper, ZM Manjaly, A Leff… - Neuroimage, 2018 - Elsevier
The development of whole-brain models that can infer effective (directed) connection
strengths from fMRI data represents a central challenge for computational neuroimaging. A …

[HTML][HTML] Characteristics of respiratory measures in young adults scanned at rest, including systematic changes and “missed” deep breaths

JD Power, CJ Lynch, MJ Dubin, BM Silver, A Martin… - Neuroimage, 2020 - Elsevier
Breathing rate and depth influence the concentration of carbon dioxide in the blood, altering
cerebral blood flow and thus functional magnetic resonance imaging (fMRI) signals. Such …

[HTML][HTML] Sparse DCM for whole-brain effective connectivity from resting-state fMRI data

G Prando, M Zorzi, A Bertoldo, M Corbetta, M Zorzi… - NeuroImage, 2020 - Elsevier
Contemporary neuroscience has embraced network science and dynamical systems to
study the complex and self-organized structure of the human brain. Despite the …

Serial correlations in single-subject fMRI with sub-second TR

S Bollmann, AM Puckett, R Cunnington, M Barth - NeuroImage, 2018 - Elsevier
When performing statistical analysis of single-subject fMRI data, serial correlations need to
be taken into account to allow for valid inference. Otherwise, the variability in the parameter …

Reliability of task-specific neuronal activation assessed with functional PET, ASL and BOLD imaging

L Rischka, GM Godbersen, V Pichler… - Journal of Cerebral …, 2021 - journals.sagepub.com
Mapping the neuronal response during cognitive processing is of crucial importance to gain
new insights into human brain function. BOLD imaging and ASL are established MRI …

Identification of physiological response functions to correct for fluctuations in resting-state fMRI related to heart rate and respiration

M Kassinopoulos, GD Mitsis - Neuroimage, 2019 - Elsevier
Functional magnetic resonance imaging (fMRI) is widely viewed as the gold standard for
studying brain function due to its high spatial resolution and non-invasive nature. However, it …

Single‐shot spiral diffusion‐weighted imaging at 7T using expanded encoding with compressed sensing

G Varela‐Mattatall, PI Dubovan… - Magnetic …, 2023 - Wiley Online Library
Purpose The expanded encoding model incorporates spatially‐and time‐varying field
perturbations for correction during reconstruction. To date, these reconstructions have used …

Integration of an RF coil and commercial field camera for ultrahigh‐field MRI

KM Gilbert, PI Dubovan, JS Gati… - Magnetic …, 2022 - Wiley Online Library
Purpose To develop an RF coil with an integrated commercial field camera for ultrahigh field
(7T) neuroimaging. The RF coil would operate within a head‐only gradient coil and be …