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Updated: May 8, 2026

The Rodent Psychomotor Vigilance Test (rPVT): A Method for Assessing Neurobehavioral Performance in Rats and Mice
07:47

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Published on: December 29, 2016

Inhibition of return, but not facilitation, disappears under vigilance decrease due to sleep deprivation.

Diana Martella1, Andrea Marotta2, Luis J Fuentes3

  • 1Basque Center on Cognition, Brain and Language, <location>Donostia-San Sebastián, Spain</location>

Experimental Psychology
|August 31, 2013
PubMed
Summary
This summary is machine-generated.

Sleep deprivation impairs vigilance, slowing reaction times and disrupting attention. While basic attention facilitation remains, the inhibition of return (IOR) effect, crucial for disengaging attention, is lost under sleep loss conditions.

Keywords:
facilitationinhibition of returnphasic alertnesssleep deprivationtonic alertness

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The Sleep Nullifying Apparatus: A Highly Efficient Method of Sleep Depriving Drosophila
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Last Updated: May 8, 2026

The Rodent Psychomotor Vigilance Test (rPVT): A Method for Assessing Neurobehavioral Performance in Rats and Mice
07:47

The Rodent Psychomotor Vigilance Test (rPVT): A Method for Assessing Neurobehavioral Performance in Rats and Mice

Published on: December 29, 2016

The Sleep Nullifying Apparatus: A Highly Efficient Method of Sleep Depriving Drosophila
06:06

The Sleep Nullifying Apparatus: A Highly Efficient Method of Sleep Depriving Drosophila

Published on: December 14, 2020

Area of Science:

  • Cognitive Neuroscience
  • Sleep Research
  • Psychology

Background:

  • Vigilance, encompassing both tonic and phasic alertness, is crucial for optimal cognitive function.
  • Sleep deprivation (SD) is known to reduce vigilance, impacting various cognitive processes.
  • The attentional orienting network involves both facilitatory and inhibitory mechanisms.

Purpose of the Study:

  • To investigate the impact of low vigilance, induced by sleep deprivation, on general reaction times (RTs).
  • To examine how sleep deprivation affects specific attentional orienting processes, including facilitation and inhibition of return (IOR).
  • To assess the interplay between circadian factors, sleep deprivation, and attentional network functions.

Main Methods:

  • Eighteen male participants completed a cuing task with nonpredictive peripheral cues.
  • Cue-target intervals were varied (200 ms, 800 ms, 1,100 ms) to probe different temporal dynamics of attention.
  • The study compared performance under baseline conditions versus sleep deprivation (SD).

Main Results:

  • Sleep deprivation generally slowed reaction times (RTs), indicating reduced arousal.
  • The facilitation effect at short cue-target intervals was preserved under SD.
  • The inhibition of return (IOR) effect at long cue-target intervals was abolished under SD.

Conclusions:

  • Sleep deprivation significantly impairs vigilance, affecting both general alertness and specific attentional control.
  • While reflexive attention (facilitation) is resilient to sleep loss, the endogenous disengagement of attention (IOR) is compromised.
  • These findings highlight the detrimental effects of sleep deprivation on the attentional orienting network's ability to disengage from previously attended locations.