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The Influence of Visual Aids on Detecting Early and Late Decelerations in Maternal-Fetal Heart Rate Patterns
Department of Psychology, Old Dominion University.
Department of Psychology, Old Dominion University.
Department of Psychology, Old Dominion University.
Department of Psychology, Old Dominion University.ORCID-id: 0000-0001-5943-0679
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2012 (Engelska)Ingår i: PROCEEDINGS of the HUMAN FACTORS and ERGONOMICS SOCIETY 56th ANNUAL MEETING, 2012, s. 1317-1321Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

The present study examined how well individuals could differentiate between two different types of signals (early and late decels) in maternal-fetal heart rate tracings with and without the use of a visual aid. Twenty-one undergraduates twice viewed 80 simulated images under four different signal-to-noise (S/N) ratios. Further, the late decels were delayed in 4-sec increments. In one block of trials, the images were presented without a visual aid, and in the other block a visual aid consisting of a large turquoise crosshair was overlaid on the images. The results indicated that lower S/N ratios and shorter onset delays made signals more difficult to distinguish. However, overall levels of accuracy were significantly higher when the visual aid was present. These results provide initial evidence that utilizing visual aids can enhance the ability to detect critical signals in maternal-fetal heart rate patterns.

Ort, förlag, år, upplaga, sidor
2012. s. 1317-1321
Nyckelord [en]
human factors, maternal-fetal heart rate
Nationell ämneskategori
Tillämpad psykologi
Identifikatorer
URN: urn:nbn:se:liu:diva-141028DOI: 10.1177/1071181312561381Scopus ID: 2-s2.0-84873472004OAI: oai:DiVA.org:liu-141028DiVA, id: diva2:1143097
Konferens
The HUMAN FACTORS and ERGONOMICS SOCIETY 56th ANNUAL MEETING, Westin Boston Waterfront, Boston, Massachusetts, USA, October 22-26, 2012
Tillgänglig från: 2017-09-20 Skapad: 2017-09-20 Senast uppdaterad: 2017-09-29Bibliografiskt granskad

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