First-pass extracted concept

two-photon calcium imaging

Candidate: toolkit itemType: assay method2 source documents2 linked claims

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Aliases

simultaneous calcium imaging

Extracted Explainers

What the tool is doing

Two-photon calcium imaging was used to measure dorsal prefrontal cortex cell responses in mice during visual stimulation and claustrum-axon photostimulation.

Source 1DOI PubMed

Two-photon calcium imaging is used to record neuronal activity patterns that can be analyzed to identify neuronal ensembles during behavior. In this review it is the measurement modality feeding the ensemble-identification framework.

Source 2DOI PubMed

Resources required

The abstract supports a mouse dPFC imaging setup combined with visual stimulation and widefield photostimulation of claustrum axons.

Source 1DOI PubMed

The review supports use in behaving mice and in simultaneous combination with two-photon optogenetics. Calcium imaging recordings are the required input for the proposed analysis steps.

Source 2DOI PubMed

What problem it solves

It provides a way to resolve response dynamics of individual dPFC neurons under combined sensory and optogenetic input.

Source 1DOI PubMed

It provides spatially identified population activity data needed to define neuronal ensembles from optical recordings.

Source 2DOI PubMed

What it does not solve

By itself it does not standardize how ensembles should be identified or manipulated; the review argues that analytical standardization is still lacking.

Source 2DOI PubMed

Alternatives

The abstract does not name direct alternative recording modalities, but contrasts the need for analytical standardization within calcium-imaging-based ensemble studies.

Source 2DOI PubMed

Evidence Snippets

We conducted two-photon calcium imaging to assess mice dorsal prefrontal cortex (dPFC) cell responses during exposure to visual stimuli and widefield photostimulation of claustrum axons embedded in the dPFC.

Evidence 1Source 1DOI PubMedprovenance

We propose a conceptual framework for the identification and manipulation of neuronal ensembles using simultaneous calcium imaging and two-photon optogenetics in behaving mice.

Evidence 2Source 2DOI PubMedprovenance

Supporting Sources

Source 1primary paper2025MEDDOI PubMed

1 evidence snippet 1 linked claim Claim 1

Source 2review2022NeurophotonicsDOI PubMed

1 evidence snippet 1 linked claim Claim 1

Linked Claims

Claim 1cell state classificationsupports2025Source 1DOI PubMed

Combined visual and optogenetic stimulation identified three distinct neuronal subpopulations: sensory responsive, opto responsive, and opto-boosted cells.

Quoted textsource-backed

We identified three distinct subpopulations of neurons - sensory responsive, opto responsive, and opto-boosted cells-each exhibiting unique response dynamics to combined visual and optogenetic stimuli.

Claim 2causal capability summarysupports2022Source 2DOI PubMed

Simultaneous two-photon calcium imaging and two-photon optogenetics allowed experimental demonstration of a causal relation between population activity and learned behaviors.