First-pass extracted concept

prefrontal cortex regulation of anxiety

Candidate: concept label1 source documents4 linked claims

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Extracted Explainers

What the tool is doing

This concept captures the review's focus on the prefrontal cortex as a regulator of anxiety in primates. The abstract presents PFC regulation as a higher-order control layer over emotional and autonomic responses.

Source 1DOI PubMed

What problem it solves

It provides a conceptual framework for understanding how cortical circuits may reduce maladaptive anxiety. It also links anxiety disorders to disruption of specific regulatory nodes.

Source 1DOI PubMed

What it does not solve

It is not a discrete experimental tool, assay, or engineered construct. The abstract does not provide intervention protocols or named methods built around this concept.

Source 1DOI PubMed

Alternatives

Nearby concepts in the abstract include amygdala- and brainstem-mediated defensive responses and inhibitory thalamic interfaces. These are presented as interacting components rather than substitutes.

Source 1DOI PubMed

Evidence Snippets

In primates, anxiety can be regulated by the prefrontal cortex (PFC), which has expanded in evolution.

Evidence 1Source 1DOI PubMedprovenance

Supporting Sources

Source 1review2021NeuropsychopharmacologyDOI PubMed

1 evidence snippet 4 linked claims Claim 1 Claim 2 Claim 3

Linked Claims

Claim 1disease association summarysupports2021Source 1DOI PubMed

Disruption of specific prefrontal nodes that interface with inhibitory systems can contribute to negative bias, poor autonomic regulation, and avoidance characteristic of anxiety disorders.

Claim 2mechanistic modelsupports2021Source 1DOI PubMed

Prefrontal pathways that interface with inhibitory systems in cortex, amygdala, or thalamus can regulate anxiety-related responses by modulating neuronal output.

Claim 3mechanistic modelsupports2021Source 1DOI PubMed

Within the prefrontal cortex, corticocortical pathways are positioned to reduce noise and enhance signals for cognitive operations that regulate anxiety processing and autonomic drive.

Claim 4review summarysupports2021Source 1DOI PubMed

In primates, the prefrontal cortex regulates anxiety and this capacity is linked in the review to evolutionary expansion of the PFC.