Functional MRS studies of GABA and glutamate/Glx–A systematic review and meta-analysis

D Pasanta, JL He, T Ford, G Oeltzschner… - Neuroscience & …, 2023 - Elsevier
Functional magnetic resonance spectroscopy (fMRS) can be used to investigate
neurometabolic responses to external stimuli in-vivo, but findings are inconsistent. We …

Harmonization of multi-scanner in vivo magnetic resonance spectroscopy: ENIGMA consortium task group considerations

AD Harris, H Amiri, M Bento, R Cohen… - Frontiers in …, 2023 - frontiersin.org
Magnetic resonance spectroscopy is a powerful, non-invasive, quantitative imaging
technique that allows for the measurement of brain metabolites that has demonstrated utility …

Comparison of linear combination modeling strategies for edited magnetic resonance spectroscopy at 3 T

HJ Zöllner, S Tapper, SCN Hui, PB Barker… - NMR in …, 2022 - Wiley Online Library
J‐difference‐edited spectroscopy is a valuable approach for the in vivo detection of γ‐
aminobutyric‐acid (GABA) with magnetic resonance spectroscopy (MRS). A recent expert …

[HTML][HTML] Quantifying brain development in the HEALthy Brain and Child Development (HBCD) Study: The magnetic resonance imaging and spectroscopy protocol

DC Dean III, MD Tisdall, JL Wisnowski, E Feczko… - Developmental cognitive …, 2024 - Elsevier
Abstract The HEALthy Brain and Child Development (HBCD) Study, a multi-site prospective
longitudinal cohort study, will examine human brain, cognitive, behavioral, social, and …

Model‐informed unsupervised deep learning approaches to frequency and phase correction of MRS signals

A Shamaei, J Starcukova, I Pavlova… - Magnetic Resonance …, 2023 - Wiley Online Library
Purpose A supervised deep learning (DL) approach for frequency and phase correction
(FPC) of MRS data recently showed encouraging results, but obtaining transients with labels …

Universal dynamic fitting of magnetic resonance spectroscopy

WT Clarke, C Ligneul, M Cottaar, IB Ip… - Magnetic Resonance …, 2024 - Wiley Online Library
Abstract Purpose Dynamic (2D) MRS is a collection of techniques where acquisitions of
spectra are repeated under varying experimental or physiological conditions. Dynamic MRS …

[HTML][HTML] Quantifying the excitatory-inhibitory balance: A comparison of SemiLASER and MEGA-SemiLASER for simultaneously measuring GABA and glutamate at 7T

T Finkelman, E Furman-Haran, R Paz, A Tal - Neuroimage, 2022 - Elsevier
The importance of the excitatory-inhibitory (E/I) balance in a wide range of cognitive and
behavioral processes has prompted a commensurate interest in methods for reliably …

[HTML][HTML] On the relationship between GABA+ and glutamate across the brain

R Rideaux, SE Ehrhardt, Y Wards, HL Filmer, J Jin… - Neuroimage, 2022 - Elsevier
Equilibrium between excitation and inhibition (E/I balance) is key to healthy brain function.
Conversely, disruption of normal E/I balance has been implicated in a range of central …

[HTML][HTML] Neurometabolite differences in Autism as assessed with Magnetic Resonance Spectroscopy: A systematic review and meta-analysis

AR Thomson, D Pasanta, T Arichi, NA Puts - Neuroscience & Biobehavioral …, 2024 - Elsevier
Abstract 1 H-Magnetic Resonance Spectroscopy (MRS) is a non-invasive technique that can
be used to quantify the concentrations of metabolites in the brain in vivo. MRS findings in the …

Retrospective frequency drift correction of rosette MRSI data using spectral registration

S Senthil, B Kadota, P Truong… - Magnetic Resonance in …, 2023 - Wiley Online Library
Purpose Frequency drift correction is an important postprocessing step in MRS that yields
improvements in spectral quality and metabolite quantification. Although routinely applied in …