Toolkit/polysomnography

polysomnography

Assay Method·Research·Since 2019

Taxonomy: Technique Branch / Method. Workflows sit above the mechanism and technique branches rather than replacing them.

Summary

The introduction of polysomnography into psychiatric research confirmed a disturbance of sleep continuity in patients with depression...

Usefulness & Problems

Why this is useful

Polysomnography is presented as the measurement approach that objectively characterized disturbed sleep continuity and altered sleep architecture in depression. The abstract specifically links it to reduced slow-wave sleep and REM disinhibition features.; objective characterization of sleep continuity and sleep architecture in depression; measurement of REM and slow-wave sleep abnormalities

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Polysomnography is presented as the measurement approach that objectively characterized disturbed sleep continuity and altered sleep architecture in depression. The abstract specifically links it to reduced slow-wave sleep and REM disinhibition features.

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objective characterization of sleep continuity and sleep architecture in depression

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measurement of REM and slow-wave sleep abnormalities

Problem solved

It solves the need for objective measurement of sleep abnormalities associated with depression rather than relying only on symptom reports.; provides objective sleep measurements in psychiatric research

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It solves the need for objective measurement of sleep abnormalities associated with depression rather than relying only on symptom reports.

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provides objective sleep measurements in psychiatric research

Problem links

provides objective sleep measurements in psychiatric research

Literature

It solves the need for objective measurement of sleep abnormalities associated with depression rather than relying only on symptom reports.

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It solves the need for objective measurement of sleep abnormalities associated with depression rather than relying only on symptom reports.

Taxonomy & Function

Primary hierarchy

Technique Branch

Method: A concrete measurement method used to characterize an engineered system.

Target processes

diagnosticrecombination

Implementation Constraints

cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationoperating role: sensor

The review only supports that this method requires polysomnographic recording in psychiatric research settings. Specific hardware details are not provided in the abstract.; requires polysomnographic sleep recording infrastructure

The abstract states that the resulting REM abnormalities did not ultimately serve as differential-diagnostic markers for depression subtypes.; sleep abnormalities identified by this approach did not fulfill hopes as differential-diagnostic markers for depression subtypes

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1diagnostic utilitycontradicts2019Source 1needs review

REM sleep abnormalities in depression did not fulfill initial hopes of serving as differential-diagnostic markers for depression subtypes.

Claim 2measurement summarysupports2019Source 1needs review

Polysomnography in psychiatric research confirmed disturbed sleep continuity in patients with depression and revealed decreased slow-wave sleep together with REM disinhibition features including shortened REM latency, increased REM density, and increased total REM sleep time.

Claim 3mechanistic probe summarysupports2019Source 1needs review

The Cholinergic REM Induction Test showed that REM sleep abnormalities can be mimicked by administration of cholinomimetic agents.

Claim 4therapeutic summarysupports2019Source 1needs review

Chrono-medical timing of sleep deprivation and light exposure is described as an important research avenue because of positive effects on mood in depression.

Approval Evidence

1 source2 linked approval claimsfirst-pass slug polysomnography
The introduction of polysomnography into psychiatric research confirmed a disturbance of sleep continuity in patients with depression...

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diagnostic utilitycontradicts

REM sleep abnormalities in depression did not fulfill initial hopes of serving as differential-diagnostic markers for depression subtypes.

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measurement summarysupports

Polysomnography in psychiatric research confirmed disturbed sleep continuity in patients with depression and revealed decreased slow-wave sleep together with REM disinhibition features including shortened REM latency, increased REM density, and increased total REM sleep time.

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Comparisons

Source-stated alternatives

No direct alternative measurement modality is explicitly contrasted in the abstract.

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No direct alternative measurement modality is explicitly contrasted in the abstract.

Source-backed strengths

confirmed sleep continuity disturbance in patients with depression; revealed decreased slow-wave sleep and REM disinhibition features

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confirmed sleep continuity disturbance in patients with depression

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revealed decreased slow-wave sleep and REM disinhibition features

polysomnography and cell-free systems-based high-throughput screening address a similar problem space because they share diagnostic, recombination.

Shared frame: same top-level item type; shared target processes: diagnostic, recombination

polysomnography and spatial transcriptomics address a similar problem space because they share diagnostic, recombination.

Shared frame: same top-level item type; shared target processes: diagnostic, recombination

Relative tradeoffs: appears more independently replicated.

polysomnography and split-protein complementation assays address a similar problem space because they share diagnostic, recombination.

Shared frame: same top-level item type; shared target processes: diagnostic, recombination

Ranked Citations

  1. 1.
    StructuralSource 1Neuropsychopharmacology2019Claim 1Claim 2Claim 3

    Seeded from load plan for claim cl1. Extracted from this source document.