Lack of degradation in visuospatial perception of line orientation after one night of sleep loss

William D.S. Killgore, Athena P. Kendall, Jessica M. Richards, Sharon A. McBride

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


Sleep deprivation impairs a variety of cognitive abilities including vigilance, attention, and executive function. Although sleep loss has been shown to impair tasks requiring visual attention and spatial perception, it is not clear whether these deficits are exclusively a function of reduced attention and vigilance or if there are also alterations in visuospatial perception. Visuospatial perception and sustained vigilance performance were therefore examined in 54 healthy volunteers at rested baseline and again after one night of sleep deprivation using the Judgment of Line Orientation Test and a computerized test of psychomotor vigilance. Whereas psychomotor vigilance declined significantly from baseline to sleep-deprived testing, scores on the Judgment of Line Orientation did not change significantly, Results suggest that documented performance deficits associated with sleep loss are unlikely to be the result of dysfunction within systems of the brain responsible for simple visuospatial perception and processing of line angles.

Original languageEnglish (US)
Pages (from-to)276-286
Number of pages11
JournalPerceptual and motor skills
Issue number1
StatePublished - Aug 2007
Externally publishedYes

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Sensory Systems


Dive into the research topics of 'Lack of degradation in visuospatial perception of line orientation after one night of sleep loss'. Together they form a unique fingerprint.

Cite this