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 …

Development of frontal GABA and glutamate supports excitation/inhibition balance from adolescence into adulthood

MI Perica, FJ Calabro, B Larsen, W Foran… - Progress in …, 2022 - Elsevier
Animal and human postmortem studies provide evidence for changes in gamma-
aminobutyric acid (GABA) and glutamate in prefrontal cortex (PFC) during adolescence …

Anxious individuals shift emotion control from lateral frontal pole to dorsolateral prefrontal cortex

B Bramson, S Meijer, A van Nuland, I Toni… - Nature …, 2023 - nature.com
Anxious individuals consistently fail in controlling emotional behavior, leading to excessive
avoidance, a trait that prevents learning through exposure. Although the origin of this failure …

Cortical glutamate and GABA are related to compulsive behaviour in individuals with obsessive compulsive disorder and healthy controls

M Biria, P Banca, MP Healy, E Keser, SJ Sawiak… - Nature …, 2023 - nature.com
There has been little analysis of neurochemical correlates of compulsive behaviour to
illuminate its underlying neural mechanisms. We use 7-Tesla proton magnetic resonance …

MRS-assessed brain GABA modulation in response to task performance and learning

H Li, G Rodríguez-Nieto, S Chalavi, C Seer… - Behavioral and Brain …, 2024 - Springer
Abstract Gamma-aminobutyric acid (GABA), the most important inhibitory neurotransmitter in
the human brain, has long been considered essential in human behavior in general and …

Revealing the antiepileptic effect of α-asaronol on pentylenetetrazole-induced seizure rats using NMR-based metabolomics

X Zhao, L Liang, R Xu, P Cheng, P Jia, Y Bai… - ACS …, 2022 - ACS Publications
α-Asaronol from Acorus tatarinowii (known as “Shichangpu” in Traditional Chinese
medicine) has been proved to possess more efficient antiepileptic activity and lower toxicity …

Altered neurometabolite levels in the brains of patients with depression: A systematic analysis of magnetic resonance spectroscopy studies

X Xie, Y Shi, L Ma, W Yang, J Pu, Y Shen, Y Liu… - Journal of Affective …, 2023 - Elsevier
Background Numerous magnetic resonance spectroscopy (MRS) studies have reported
metabolic abnormalities in the brains of patients with depression, although inconsistent …

Combining aperiodic 1/f slopes and brain simulation: An EEG/MEG proxy marker of excitation/inhibition imbalance in Alzheimer's disease

P Martínez‐Cañada, E Perez‐Valero… - Alzheimer's & …, 2023 - Wiley Online Library
INTRODUCTION Accumulation and interaction of amyloid‐beta (Aβ) and tau proteins during
progression of Alzheimer's disease (AD) are shown to tilt neuronal circuits away from …

[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] No balance between glutamate+ glutamine and GABA+ in visual or motor cortices of the human brain: A magnetic resonance spectroscopy study

R Rideaux - NeuroImage, 2021 - Elsevier
Theoretical work, supported by electrophysiological evidence, asserts that a balance
between excitation and inhibition (E/I) is critical for healthy brain function. In magnetic …