Perspectives on occlusion and requirements for validation

Terry C. Lansdown, Peter C. Burns, Andrew M. Parkes

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)


This paper discusses the limitations and potential of using an occlusion test to assess visual distraction and the suitability of an in-vehicle information system (IVIS) task for driving. This discussion was expanded from issues raised during a UK workshop on occlusion. The paper describes the research history and empirical foundations of occlusion. It describes some of the occlusion technology and applications for this procedure. Issues concerning the occlusion tasks and the duration and timing of occlusion are presented. The main part of this paper focuses on the priority research considerations for occlusion. The paper concludes with a description of some alternatives to occlusion and future research needs. It is concluded that the occlusion test has some promise, however the empirical basis for occlusion is lacking. If occlusion is to be developed as a metric to determine maximal safe visual distraction, substantial barriers remain.

Original languageEnglish
Pages (from-to)225-232
Number of pages8
JournalApplied Ergonomics
Issue number3
Publication statusPublished - May 2004
Externally publishedYes


  • Driver distraction
  • Human machine interface
  • In-vehicle information system
  • Occlusion
  • Visual behaviour

ASJC Scopus subject areas

  • Human Factors and Ergonomics
  • Physical Therapy, Sports Therapy and Rehabilitation


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