Axonal activity in vivo: technical considerations and implications for the exploration of neural circuits in freely moving animals

JM Barry - Frontiers in neuroscience, 2015 - frontiersin.org
While extracellular somatic action potentials from freely moving rats have been well
characterized, axonal activity has not. We have recently reported extracellular tetrode …

Photoactivated voltage imaging in tissue with an archaerhodopsin-derived reporter

MP Chien, D Brinks, G Testa-Silva, H Tian… - Science …, 2021 - science.org
Photoactivated genetically encoded voltage indicators (GEVIs) have the potential to enable
optically sectioned voltage imaging at the intersection of a photoactivation beam and an …

Single-trial imaging of spikes and synaptic potentials in single neurons in brain slices with genetically encoded hybrid voltage sensor

N Ghitani, PO Bayguinov, Y Ma… - Journal of …, 2015 - journals.physiology.org
Genetically encoded voltage sensors expand the optogenetics toolkit into the important
realm of electrical recording, enabling researchers to study the dynamic activity of complex …

The stochastic nature of action potential backpropagation in apical tuft dendrites

SM Short, KD Oikonomou, WL Zhou… - Journal of …, 2017 - journals.physiology.org
In cortical pyramidal neurons, backpropagating action potentials (bAPs) supply Ca2+ to
synaptic contacts on dendrites. To determine whether the efficacy of AP backpropagation …

Computer-generated holography enhances voltage dye fluorescence discrimination in adjacent neuronal structures

AJ Foust, V Zampini, D Tanese… - …, 2015 - spiedigitallibrary.org
Voltage-sensitive fluorescence indicators enable tracking neuronal electrical signals
simultaneously in multiple neurons or neuronal subcompartments difficult to access with …

[HTML][HTML] A stepwise neuron model fitting procedure designed for recordings with high spatial resolution: application to layer 5 pyramidal cells

T Mäki-Marttunen, G Halnes, A Devor, C Metzner… - Journal of neuroscience …, 2018 - Elsevier
Background Recent progress in electrophysiological and optical methods for neuronal
recordings provides vast amounts of high-resolution data. In parallel, the development of …

Electrophysiology of dendritic spines: information processing, dynamic compartmentalization, and synaptic plasticity

J Righes Marafiga, ME Calcagnotto - Dendritic Spines: Structure, Function …, 2023 - Springer
For many years, synaptic transmission was considered as information transfer between
presynaptic neuron and postsynaptic cell. At the synaptic level, it was thought that dendritic …

Dendritic spine density of prefrontal layer 6 pyramidal neurons in relation to apical dendrite sculpting by nicotinic acetylcholine receptors

L Kang, MK Tian, CDC Bailey… - Frontiers in cellular …, 2015 - frontiersin.org
Prefrontal layer 6 (L6) pyramidal neurons play an important role in the adult control of
attention, facilitated by their strong activation by nicotinic acetylcholine receptors. These …

Wide-field single-photon optical recording in brain slices using voltage-sensitive dye

Y Tominaga, M Taketoshi, N Maeda… - JoVE (Journal of …, 2019 - jove.com
Wide-field single photon voltage-sensitive dye (VSD) imaging of brain slice preparations is a
useful tool to assess the functional connectivity in neural circuits. Due to the fractional …

Two-photon photoactivated voltage imaging in tissue with an Archaerhodopsin-derived reporter

MP Chien, D Brinks, Y Adam, W Bloxham… - arXiv preprint arXiv …, 2017 - arxiv.org
Robust voltage imaging in tissue remains a technical challenge. Existing combinations of
genetically encoded voltage indicators (GEVIs) and microscopy techniques cannot …