Neurobehavioral meaning of pupil size

N Grujic, R Polania, D Burdakov - Neuron, 2024 - cell.com
Pupil size is a widely used metric of brain state. It is one of the few signals originating from
the brain that can be readily monitored with low-cost devices in basic science, clinical, and …

The claustrum and synchronized brain states

AD Do, C Portet, R Goutagny, J Jackson - Trends in Neurosciences, 2024 - cell.com
Cortical activity is constantly fluctuating between distinct spatiotemporal activity patterns
denoted by changes in brain state. States of cortical desynchronization arise during motor …

[HTML][HTML] Does transcutaneous auricular vagus nerve stimulation alter pupil dilation? A living Bayesian meta-analysis

I Pervaz, L Thurn, C Vezzani, L Kaluza, A Kühnel… - Brain Stimulation, 2025 - Elsevier
Background Transcutaneous vagus nerve stimulation (tVNS) has emerged as a promising
technique to modulate autonomic functions, and pupil dilation has been recognized as a …

A cortical locus for modulation of arousal states

N Chintalacheruvu, A Kalelkar, J Boutin… - …, 2024 - pmc.ncbi.nlm.nih.gov
Fluctuations in global arousal are key determinants of spontaneous cortical activity and
function. Several subcortical structures, including neuromodulator nuclei like the locus …

Distinct brain-wide presynaptic networks underlie the functional identity of individual cortical neurons

AR Inácio, KC Lam, Y Zhao, F Pereira, CR Gerfen… - bioRxiv, 2023 - biorxiv.org
Neuronal connections provide the scaffolding for neuronal function. Revealing the
connectivity of functionally identified individual neurons is necessary to understand how …

Red-shifted GRAB acetylcholine sensors for multiplex imaging in vivo

S **e, X Miao, G Li, Y Zheng, M Li, E Ji, J Wang, S Li… - bioRxiv, 2024 - biorxiv.org
The neurotransmitter acetylcholine (ACh) is essential in both the central and peripheral
nervous systems. Recent studies highlight the significance of interactions between ACh and …

Cholinergic dynamics in the septo-hippocampal system provide phasic multiplexed signals for spatial novelty and correlate with behavioral states

FF Moghadam, BEG Guzman, X Zheng, M Parsa… - bioRxiv, 2025 - biorxiv.org
In the hippocampal formation, cholinergic modulation from the medial septum/diagonal band
of Broca (MSDB) is known to correlate with the speed of an animal's movements at sub …