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BNST stress ensemble

Candidate: concept label1 source documents6 linked claims
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Aliases

BNST stress ensembles, dual-functional ensemble within the bed nucleus of the stria terminalis, stress ensemble within the BNST

Extracted Explainers

What the tool is doing

The paper describes a BNST neuronal ensemble whose activity is associated with anxiety-related cues and wakefulness, and whose manipulation changes both anxiety-like behavior and NREM sleep. Its divergent projections are proposed to separate anxiety and sleep effects.

Source 1DOIPubMed

Resources required

Studying this ensemble requires chronic restraint stress mice and neural activity/manipulation approaches sufficient to activate or inactivate the identified BNST neurons. The abstract also indicates pharmacologic modulation with anxiolytic-hypnotic medication.

Source 1DOIPubMed

What problem it solves

It provides a circuit-level explanation for why anxiety and insomnia can co-occur in the same stress model. It also separates downstream pathways for anxiety versus sleep-wake regulation.

Source 1DOIPubMed

What it does not solve

The abstract does not show that this ensemble explains all forms of anxiety or insomnia, nor does it establish detailed molecular identity. It is also limited to the reported mouse stress context.

Source 1DOIPubMed

Alternatives

The abstract contrasts circuit manipulation with anxiolytic-hypnotic medication, which also attenuated ensemble hyperactivity and both phenotypes. No alternative ensemble definitions are described in the abstract.

Source 1DOIPubMed

Evidence Snippets

Here, we identify a dual-functional ensemble within the bed nucleus of the stria terminalis (BNST) that modulates both anxiety-like behaviors and insomnia through distinct neural circuits.
Evidence 1Source 1DOIPubMedprovenance

Supporting Sources

Linked Claims

Claim 1activity associationsupports2026Source 1DOIPubMed

A subset of BNST neurons shows enhanced activity in response to anxiety-related cues and during wakefulness.

Quoted textsource-backed
Specifically, a subset of BNST neurons exhibits enhanced activity in response to anxiety-related cues and during wakefulness.
Claim 2causal effectsupports2026Source 1DOIPubMed

Activation of BNST stress ensemble neurons exacerbates anxiety-like behaviors and reduces NREM sleep in chronic restraint stress mice.

Quoted textsource-backed
Activation of these ensemble neurons exacerbates anxiety-like behaviors and reduces non-rapid eye movement (NREM) sleep in chronic restraint stress (CRS) mice.
Claim 3causal effectsupports2026Source 1DOIPubMed

Inactivation of BNST stress ensemble neurons alleviates anxiety-like behaviors and promotes NREM sleep.

Quoted textsource-backed
Conversely, inactivation of these neurons alleviates anxiety-like behaviors and promotes NREM sleep.
Claim 4functional rolesupports2026Source 1DOIPubMed

A dual-functional BNST stress ensemble modulates both anxiety-like behaviors and insomnia through distinct neural circuits.

Quoted textsource-backed
Here, we identify a dual-functional ensemble within the bed nucleus of the stria terminalis (BNST) that modulates both anxiety-like behaviors and insomnia through distinct neural circuits.
Claim 5mechanistic modelsupports2026Source 1DOIPubMed

Hyperactive BNST stress ensembles induce anxiety-like behaviors and sleep disruption in CRS mice, with modality specificity achieved through divergent downstream targets.

Quoted textsource-backed
These findings suggest that hyperactive BNST stress ensembles are responsible for inducing anxiety-like behaviors and disrupting sleep in CRS mice and achieve the modality specificity through their divergent downstream targets.
Claim 6pharmacologic modulationsupports2026Source 1DOIPubMed

Anxiolytic-hypnotic medication attenuates BNST stress ensemble hyperactivity and mitigates both anxiety-like and sleep phenotypes.

Quoted textsource-backed
In addition, anxiolytic-hypnotic medication attenuates BNST stress ensemble hyperactivity, mitigating both phenotypes.