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Effect of vertical stretching on the extraction of mean identity from faces
journal contribution
posted on 2023-06-09, 06:53 authored by Alexandra Bagaini, Graham HoleObservers can extract the mean identity from a set of faces and falsely recognise it as a genuine set member. The current experiment demonstrated that this ‘perceptual averaging’ also occurs with vertically stretched faces. On each trial, participants decided whether a target face was present in a preceding set of four faces. In the control condition, the faces were all normally proportioned; in the stretched set condition, the face sets were stretched but the targets were normal; and in the stretched target condition, the face sets were normal but the targets were stretched. In all three conditions, participants falsely identified the set mean as a face that had been presented within the set, implying that this identity-averaging effect is based on high-level identity information rather than the low-level physical characteristics of the face stimuli.
History
Publication status
- Published
File Version
- Accepted version
Journal
PerceptionISSN
0301-0066Publisher
SAGE PublicationsExternal DOI
Issue
9Volume
46Page range
1048-1061Department affiliated with
- Psychology Publications
Full text available
- Yes
Peer reviewed?
- Yes
Legacy Posted Date
2017-06-23First Open Access (FOA) Date
2017-06-23First Compliant Deposit (FCD) Date
2017-06-23Usage metrics
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