Article Text

other Versions

Download PDFPDF
Time of day of cognitive tests might distort shift work study results
  1. Gerhard B Holt
  1. Correspondence to Dr Gerhard B Holt, Philadelphia, Pennsylvania 19143, USA; ghol7955{at}

Statistics from

Request Permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.

Marquié et al1 find that “shift work chronically impairs cognition”. There might be a non-conservative bias in these results leading to potential false-positive findings if the tests of cognition were administered during the day. …

View Full Text


  • Competing interests None.

  • Provenance and peer review Not commissioned; internally peer reviewed.

Linked Articles