Maximizing sensory dynamic range by tuning the cortical state to criticality

SH Gautam, TT Hoang, K McClanahan… - PLoS computational …, 2015 - journals.plos.org
Modulation of interactions among neurons can manifest as dramatic changes in the state of
population dynamics in cerebral cortex. How such transitions in cortical state impact the …

[HTML][HTML] Universal organization of resting brain activity at the thermodynamic critical point

S Yu, H Yang, O Shriki, D Plenz - Frontiers in systems neuroscience, 2013 - frontiersin.org
Thermodynamic criticality describes emergent phenomena in a wide variety of complex
systems. In the mammalian cortex, one type of complex dynamics that spontaneously …

Adaptation towards scale-free dynamics improves cortical stimulus discrimination at the cost of reduced detection

WP Clawson, NC Wright, R Wessel… - PLoS computational …, 2017 - journals.plos.org
Fundamental to the function of nervous systems is the ability to reorganize to cope with
changing sensory input. Although well-studied in single neurons, how such adaptive …

Spontaneous cortical activity is transiently poised close to criticality

G Hahn, A Ponce-Alvarez, C Monier… - PLoS computational …, 2017 - journals.plos.org
Brain activity displays a large repertoire of dynamics across the sleep-wake cycle and even
during anesthesia. It was suggested that criticality could serve as a unifying principle …

Inhibitory control of correlated intrinsic variability in cortical networks

C Stringer, M Pachitariu, NA Steinmetz, M Okun… - Elife, 2016 - elifesciences.org
Cortical networks exhibit intrinsic dynamics that drive coordinated, large-scale fluctuations
across neuronal populations and create noise correlations that impact sensory coding. To …

Task-evoked activity quenches neural correlations and variability across cortical areas

T Ito, SL Brincat, M Siegel, RD Mill, BJ He… - PLoS computational …, 2020 - journals.plos.org
Many large-scale functional connectivity studies have emphasized the importance of
communication through increased inter-region correlations during task states. In contrast …

[PDF][PDF] State-dependent changes in perception and coding in the mouse somatosensory cortex

CCY Lee, E Kheradpezhouh, ME Diamond… - Cell Reports, 2020 - cell.com
An animal's behavioral state is reflected in the dynamics of cortical population activity and its
capacity to process sensory information. To better understand the relationship between …

[PDF][PDF] Motor cortex feedback influences sensory processing by modulating network state

E Zagha, AE Casale, RNS Sachdev, MJ McGinley… - Neuron, 2013 - cell.com
Long-range corticocortical communication may have important roles in context-dependent
sensory processing, yet we know very little about how these pathways influence their target …

Computational models link cellular mechanisms of neuromodulation to large-scale neural dynamics

JM Shine, EJ Müller, B Munn, J Cabral, RJ Moran… - Nature …, 2021 - nature.com
Decades of neurobiological research have disclosed the diverse manners in which the
response properties of neurons are dynamically modulated to support adaptive cognitive …

Cortical dynamics during naturalistic sensory stimulations: experiments and models

A Mazzoni, N Brunel, S Cavallari, NK Logothetis… - Journal of Physiology …, 2011 - Elsevier
We report the results of our experimental and theoretical investigations of the neural
response dynamics in primary visual cortex (V1) during naturalistic visual stimulation. We …