First-pass extracted concept

optogenetic activation of prefrontal cortex

Candidate: concept label1 source documents3 linked claims

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Aliases

optogenetic activation of the PFC

Extracted Explainers

What the tool is doing

The paper uses optogenetic activation of the prefrontal cortex to test whether increasing PFC activity alters chronic neuropathic pain behaviors in rats.

Source 1DOI PubMed

Resources required

The abstract supports a need for optogenetic brain-circuit activation in a rat spared nerve injury model, but does not specify the construct or hardware details.

Source 1DOI PubMed

What problem it solves

It addresses the unresolved causal role of PFC activity in chronic pain states.

Source 1DOI PubMed

What it does not solve

The abstract does not establish the exact molecular implementation of the optogenetic tool or fully resolve the downstream cellular mechanism.

Source 1DOI PubMed

Alternatives

The abstract contrasts this causal manipulation with prior animal and human imaging studies that implicated the PFC in pain regulation without defining its exact role.

Source 1DOI PubMed

Evidence Snippets

Here we show that optogenetic activation of the PFC produces strong antinociceptive effects in a rat model (spared nerve injury model) of persistent neuropathic pain.

Evidence 1Source 1DOI PubMedprovenance

Supporting Sources

Source 1primary paper2015Journal of NeuroscienceDOI PubMed

1 evidence snippet 3 linked claims Claim 1 Claim 2 Claim 3

Linked Claims

Claim 1functional effectsupports2015Source 1DOI PubMed

Optogenetic activation of the prefrontal cortex produces strong antinociceptive effects in a rat spared nerve injury model of persistent neuropathic pain.

Quoted textsource-backed

Here we show that optogenetic activation of the PFC produces strong antinociceptive effects in a rat model (spared nerve injury model) of persistent neuropathic pain.

Claim 2functional effectsupports2015Source 1DOI PubMed

Prefrontal cortex activation reduces affective symptoms of pain.

Quoted textsource-backed

PFC activation also reduces the affective symptoms of pain.

Claim 3mechanistic inferencesupports2015Source 1DOI PubMed

The pain-relieving function of prefrontal cortex activation is likely mediated by projections to the nucleus accumbens.

Quoted textsource-backed

Furthermore, we show that this pain-relieving function of the PFC is likely mediated by projections to the NAc.