Eye movement evaluation of signature forgeries : Insights to forensic expert evidence

Book chapter


Dyer, Adrian G., Found, Bryan, Merlino, Mara L., Pepe, Avni L., Rogers, Doug and Sita, Jodi C.. (2014). Eye movement evaluation of signature forgeries : Insights to forensic expert evidence. In In Horsley, Mike, Eliot, Matt, Knight, Bruce Allen and Reilly, Ronan (Ed.). Current trends in eye tracking research pp. 211-223 Springer. https://doi.org/10.1007/978-3-319-02868-2_16
AuthorsDyer, Adrian G., Found, Bryan, Merlino, Mara L., Pepe, Avni L., Rogers, Doug and Sita, Jodi C.
EditorsHorsley, Mike, Eliot, Matt, Knight, Bruce Allen and Reilly, Ronan
Abstract

Signatures are a complex and important biometric that have widespread international acceptance for verifying individual identity. As with other security measures, there are often attempts to mislead authorities by simulating genuine signatures. The ability to reliably identify genuine signatures from simulations is an area of forensic science of high value to legal proceedings, and several studies have established an expertise effect between forensic document examiners (FDEs) and control subjects. Eye movement recordings of the visual processing of FDEs during signature evaluations reveal that examiner expertise results from an enhanced capacity to process local features in the context of global information. In addition, eye movement studies allow for an understanding of how high- and low-complexity ranked signatures are visually inspected by subjects when making simulations. We discuss the importance of understanding the context of a work environment for designing experiments to reveal mechanisms of expertise used by professionals to do their job. We, thus, look at the normal work environment of FDEs for evaluating signatures and how the requirement of understanding expertise from a legal standpoint has facilitated considerable interest in eye-tracking technologies. In particular, we argue that the accurate modelling of the work environment is central to deriving parameters for use in eye movement studies to understand the role of expertise in subjects.

Keywordsexpert testimony; latent fingerprint; expert evidence; genuine signature; expertise effect
Page range211-223
Year2014
Book titleCurrent trends in eye tracking research
PublisherSpringer
Springer
Place of publicationCham, Switzerland
Heidelberg, Germany
New York, New York
Dordrecht, The Netherlands
London, United Kingdom
ISBN9783319028682
9783319028675
Digital Object Identifier (DOI)https://doi.org/10.1007/978-3-319-02868-2_16
Scopus EID2-s2.0-84954587963
Publisher's version
License
All rights reserved
File Access Level
Controlled
Output statusPublished
Publication dates
Print19 Dec 2013
Online11 Dec 2013
Publication process dates
Deposited02 Apr 2023
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