Characterizing cortex-wide dynamics with wide-field calcium imaging

C Ren, T Komiyama - Journal of Neuroscience, 2021 - Soc Neuroscience
The brain functions through coordinated activity among distributed regions. Wide-field
calcium imaging, combined with improved genetically encoded calcium indicators, allows …

Wide-field calcium imaging of neuronal network dynamics in vivo

AK Nietz, LS Popa, ML Streng, RE Carter… - Biology, 2022 - mdpi.com
Simple Summary We review advances in the properties of calcium sensors, microscopy, and
data analysis that have brought about the ability to image large contiguous regions of the …

Distributed and localized dynamics emerge in the mouse neocortex during reach-to-grasp behavior

E Quarta, A Scaglione, J Lucchesi… - Journal of …, 2022 - Soc Neuroscience
A long-standing question in systems neuroscience is to what extent task-relevant features of
neocortical processing are localized or distributed. Coordinated activity across the neocortex …

[HTML][HTML] Large-scale all-optical dissection of motor cortex connectivity shows a segregated organization of mouse forelimb representations

F Resta, E Montagni, G de Vito, A Scaglione… - Cell Reports, 2022 - cell.com
In rodent motor cortex, the rostral forelimb area (RFA) and the caudal forelimb area (CFA)
are major actors in orchestrating the control of complex forelimb movements. However, their …

Optogenetics in brain research: from a strategy to investigate physiological function to a therapeutic tool

E Montagni, F Resta, ALA Mascaro, FS Pavone - Photonics, 2019 - mdpi.com
Dissecting the functional roles of neuronal circuits and their interaction is a crucial step in
basic neuroscience and in all the biomedical field. Optogenetics is well-suited to this …

The kinetic mechanisms of fast-decay red-fluorescent genetically encoded calcium indicators

S Kerruth, C Coates, CD Dürst, TG Oertner… - Journal of Biological …, 2019 - ASBMB
Genetically encoded calcium indicators (GECIs) are useful reporters of cell-signaling,
neuronal, and network activities. We have generated novel fast variants and investigated the …

Comparison between transgenic and AAV-PHP.eB-mediated expression of GCaMP6s using in vivo wide-field functional imaging of brain activity

NJ Michelson, MP Vanni, TH Murphy - Neurophotonics, 2019 - spiedigitallibrary.org
We employ transcranial wide-field single-photon imaging to compare genetically encoded
calcium sensors under transgenic or viral vector expression strategies. Awake, head-fixed …

Group ICA of wide-field calcium imaging data reveals the retrosplenial cortex as a major contributor to cortical activity during anesthesia

A Scaglione, F Resta, F Goretti… - Frontiers in Cellular …, 2024 - frontiersin.org
Large-scale cortical dynamics play a crucial role in many cognitive functions such as goal-
directed behaviors, motor learning and sensory processing. It is well established that brain …

Diving into the brain: deep-brain imaging techniques in conscious animals

P Campos, JJ Walker, P Mollard - Journal of Endocrinology, 2020 - joe.bioscientifica.com
In most species, survival relies on the hypothalamic control of endocrine axes that regulate
critical functions such as reproduction, growth, and metabolism. For decades, the complexity …

Cortical propagation tracks functional recovery after stroke

G Cecchini, A Scaglione… - PLoS Computational …, 2021 - journals.plos.org
Stroke is a debilitating condition affecting millions of people worldwide. The development of
improved rehabilitation therapies rests on finding biomarkers suitable for tracking functional …