Abstract：
OBJECTIVE:We investigated the effects of automatic target detection (ATD) on the detection and identification performance of soldiers. BACKGROUND:Prior studies have shown that highlighting targets can aid their detection. We provided soldiers with ATD that was more likely to detect one target identity than another, potentially acting as an implicit identification aid. METHOD:Twenty-eight soldiers detected and identified simulated human targets in an immersive virtual environment with and without ATD. Task difficulty was manipulated by varying scene illumination (day, night). The ATD identification bias was also manipulated (hostile bias, no bias, and friendly bias). We used signal detection measures to treat the identification results. RESULTS:ATD presence improved detection performance, especially under high task difficulty (night illumination). Identification sensitivity was greater for cued than uncued targets. The identification decision criterion for cued targets varied with the ATD identification bias but showed a "sluggish beta" effect. CONCLUSION:ATD helps soldiers detect and identify targets. The effects of biased ATD on identification should be considered with respect to the operational context. APPLICATION:Less-than-perfectly-reliable ATD is a useful detection aid for dismounted soldiers. Disclosure of known ATD identification bias to the operator may aid the identification process.
journal_name
Hum Factorsjournal_title
Human factorsauthors
Reiner AJ,Hollands JG,Jamieson GAdoi
10.1177/0018720816670768subject
Has Abstractpub_date
2017-03-01 00:00:00pages
242-258issue
2eissn
0018-7208issn
1547-8181pii
0018720816670768journal_volume
59pub_type
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