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Seen this scene? Scene recognition in the reaction-time Concealed Information Test
Danielle G Norman1, Daniel A Gunnell2, Aleksandra J Mrowiec2
1University of Warwick, Coventry, UK. d.norman.3@warwick.ac.uk.
Memory & Cognition
|June 20, 2020
Summary
The Reaction-Time Concealed Information Test (RT-CIT) effectively detects recognition of crime scenes, similar to objects. This method shows resilience against physical countermeasures, enhancing its use in criminal investigations.
Area of Science:
- Forensic Psychology
- Cognitive Neuroscience
Background:
- Crime scene recognition detection is crucial for criminal investigations.
- The Reaction-Time Concealed Information Test (RT-CIT) is established for object recognition but not scene recognition.
Purpose of the Study:
- To investigate the efficacy of RT-CIT for detecting crime scene recognition.
- To assess the impact of physical countermeasures on RT-CIT performance with scene stimuli.
Main Methods:
- Three experiments were conducted using autobiographic and mock crime scene-based RT-CITs.
- Stimuli included both crime-related scenes and objects.
- Physical countermeasures were employed in one experiment to test their effect.
Main Results:
- An equivalent RT-CIT effect was observed for both scene and object stimuli.
- RT-CIT performance was not significantly affected by physical countermeasure strategies.
Conclusions:
- RT-CIT is a viable tool for detecting crime scene recognition.
- The test's robustness against countermeasures increases its practical applicability in forensic settings.
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