Source 1review2019Neuropsychopharmacology
Toolkit/Psychomotor Vigilance Test
Psychomotor Vigilance Test
Also known as: PVT
Taxonomy: Technique Branch / Method. Workflows sit above the mechanism and technique branches rather than replacing them.
Summary
The upstream web research summary identifies the Psychomotor Vigilance Test (PVT) as the core assay for vigilant attention under sleep loss and as the operational assay in closely related review and primary sources aligned to this review's abstract focus on vigilant attention and vigilance decrement.
Usefulness & Problems
Why this is useful
The Psychomotor Vigilance Test is presented in the supplied research summary as the core assay used to measure vigilant attention under sleep loss. It is relevant here because the review centers on vigilant attention impairment, vigilance decrement, and response variability.; measuring vigilant attention under sleep deprivation; quantifying time-on-task vigilance decrement; tracking response variability associated with sleep loss
Source:
The Psychomotor Vigilance Test is presented in the supplied research summary as the core assay used to measure vigilant attention under sleep loss. It is relevant here because the review centers on vigilant attention impairment, vigilance decrement, and response variability.
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measuring vigilant attention under sleep deprivation
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quantifying time-on-task vigilance decrement
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tracking response variability associated with sleep loss
Problem solved
It gives a standardized way to quantify vigilant attention deficits associated with sleep deprivation and sleep restriction. This makes the review's discussion of impairment and variability operationally measurable.; provides a standard behavioral assay for operationalizing vigilant attention impairment during sleep loss
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It gives a standardized way to quantify vigilant attention deficits associated with sleep deprivation and sleep restriction. This makes the review's discussion of impairment and variability operationally measurable.
Source:
provides a standard behavioral assay for operationalizing vigilant attention impairment during sleep loss
Problem links
provides a standard behavioral assay for operationalizing vigilant attention impairment during sleep loss
LiteratureIt gives a standardized way to quantify vigilant attention deficits associated with sleep deprivation and sleep restriction. This makes the review's discussion of impairment and variability operationally measurable.
Source:
It gives a standardized way to quantify vigilant attention deficits associated with sleep deprivation and sleep restriction. This makes the review's discussion of impairment and variability operationally measurable.
Taxonomy & Function
Primary hierarchy
Technique Branch
Method: A concrete measurement method used to characterize an engineered system.
Mechanisms
behavioral measurement of vigilant attentionresponse variability and lapse detectiontime-on-task vigilance decrement quantificationTechniques
Functional AssayTarget processes
recombinationImplementation Constraints
cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationoperating role: sensor
It requires a behavioral testing setup that can present a vigilance task and record response timing or lapses. The provided evidence does not specify hardware or protocol details for this review.; requires administration of a vigilant attention task and behavioral response recording
The supplied evidence does not show that it explains the underlying neural mechanism of impairment by itself. It also does not establish that it captures all cognitive dimensions discussed in the review, such as attentional control.; the abstract does not explicitly name PVT; the supplied evidence does not specify implementation details or comparative performance versus alternatives within this review
Validation
Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication
Supporting Sources
Ranked Claims
Vulnerability to sleep loss in vigilant attention impairment can be dissociated from vulnerability in other cognitive processes such as attentional control.
vulnerability in terms of vigilant attention impairment can be dissociated from vulnerability in terms of other cognitive processes such as attentional control
A slower allostatic process modulates the sleep homeostatic setpoint across days and weeks and is responsible for cumulative deficits in vigilant attention across consecutive days of sleep restriction.
There is also evidence of a slower, allostatic process, which modulates the sleep homeostatic setpoint across days and weeks and is responsible for cumulative deficits in vigilant attention across consecutive days of sleep restriction.
The temporal dynamics of vigilant attention deficits across hours and days are driven by sleep homeostatic and circadian processes.
The temporal dynamics of vigilant attention deficits across hours and days are driven by physiologic, sleep regulatory processes-a sleep homeostatic process and a circadian process.
The vigilance decrement or time-on-task effect is characterized by progressively increasing response variability, and this variability is exacerbated by sleep loss.
The vigilance decrement, or time-on-task effect-a decline in performance across the duration of a vigilant attention task-is characterized by progressively increasing response variability, which is exacerbated by sleep loss.
There are large inter-individual differences in vulnerability to sleep loss, and this vulnerability constitutes a pronounced but multidimensional human phenotype.
There are large inter-individual differences in vulnerability to sleep loss, and these inter-individual differences constitute a pronounced human phenotype. However, this phenotype is multi-dimensional
Sleep deprivation impairs vigilant attention, and vigilant attention is restored after rest breaks and more enduringly after sleep.
Vigilant attention is impaired by sleep deprivation and restored after rest breaks and (more enduringly) after sleep.
Approval Evidence
1 source6 linked approval claimsfirst-pass slug psychomotor-vigilance-test
The upstream web research summary identifies the Psychomotor Vigilance Test (PVT) as the core assay for vigilant attention under sleep loss and as the operational assay in closely related review and primary sources aligned to this review's abstract focus on vigilant attention and vigilance decrement.
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dissociationsupports
Vulnerability to sleep loss in vigilant attention impairment can be dissociated from vulnerability in other cognitive processes such as attentional control.
vulnerability in terms of vigilant attention impairment can be dissociated from vulnerability in terms of other cognitive processes such as attentional control
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mechanistic modelsupports
A slower allostatic process modulates the sleep homeostatic setpoint across days and weeks and is responsible for cumulative deficits in vigilant attention across consecutive days of sleep restriction.
There is also evidence of a slower, allostatic process, which modulates the sleep homeostatic setpoint across days and weeks and is responsible for cumulative deficits in vigilant attention across consecutive days of sleep restriction.
Source:
mechanistic modelsupports
The temporal dynamics of vigilant attention deficits across hours and days are driven by sleep homeostatic and circadian processes.
The temporal dynamics of vigilant attention deficits across hours and days are driven by physiologic, sleep regulatory processes-a sleep homeostatic process and a circadian process.
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performance patternsupports
The vigilance decrement or time-on-task effect is characterized by progressively increasing response variability, and this variability is exacerbated by sleep loss.
The vigilance decrement, or time-on-task effect-a decline in performance across the duration of a vigilant attention task-is characterized by progressively increasing response variability, which is exacerbated by sleep loss.
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phenotype variationsupports
There are large inter-individual differences in vulnerability to sleep loss, and this vulnerability constitutes a pronounced but multidimensional human phenotype.
There are large inter-individual differences in vulnerability to sleep loss, and these inter-individual differences constitute a pronounced human phenotype. However, this phenotype is multi-dimensional
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review summarysupports
Sleep deprivation impairs vigilant attention, and vigilant attention is restored after rest breaks and more enduringly after sleep.
Vigilant attention is impaired by sleep deprivation and restored after rest breaks and (more enduringly) after sleep.
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Comparisons
Source-stated alternatives
The supplied research summary mentions Brief PVT (PVT-B) as a derivative variant and PERCLOS as a companion physiologic measure.
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The supplied research summary mentions Brief PVT (PVT-B) as a derivative variant and PERCLOS as a companion physiologic measure.
Source-backed strengths
described as the core measurement tool in the supplied research summary; aligned with the review's emphasis on vigilant attention deficits and response variability
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described as the core measurement tool in the supplied research summary
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aligned with the review's emphasis on vigilant attention deficits and response variability
Compared with barcoded Cre recombinase mRNA barcode platform
Psychomotor Vigilance Test and barcoded Cre recombinase mRNA barcode platform address a similar problem space because they share recombination.
Shared frame: same top-level item type; shared target processes: recombination
Compared with calcium imaging
Psychomotor Vigilance Test and calcium imaging address a similar problem space because they share recombination.
Shared frame: same top-level item type; shared target processes: recombination
Relative tradeoffs: appears more independently replicated.
Compared with two-photon excitation microscopy
Psychomotor Vigilance Test and two-photon excitation microscopy address a similar problem space because they share recombination.
Shared frame: same top-level item type; shared target processes: recombination
Strengths here: looks easier to implement in practice.
Ranked Citations
- 1.