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Related Experiment Video

Updated: May 17, 2026

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm
09:49

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm

Published on: December 24, 2015

Global face distortion aftereffects tap face-specific and shape-generic processes.

Hugh W Dennett1, Mark Edwards, Elinor McKone

  • 1Department of Psychology, Australian National University, Canberra, Australia. hughdennett@gmail.com

Journal of Vision
|October 19, 2012
PubMed
Summary
This summary is machine-generated.

Global face distortion aftereffects show both general shape and specific face processing components. Understanding these contributions is crucial for accurately using these aftereffects to study face perception.

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Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation
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Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation

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Last Updated: May 17, 2026

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06:53

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation

Published on: March 1, 2017

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Visual Perception

Background:

  • Face aftereffects are commonly used to probe face processing mechanisms, assuming they reflect face-specific coding.
  • However, aftereffects can arise from various visual processing levels, including shape-generic components.
  • Previous research indicates that some figural aftereffects (e.g., eye height) have both face-level and shape-generic elements.

Purpose of the Study:

  • To investigate the transfer of global face distortion aftereffects (vertical compression) to non-face stimuli.
  • To determine the extent of shape-generic versus face-specific contributions to these aftereffects.

Main Methods:

  • Adaptation to vertically compressed faces followed by testing with both faces and non-face objects.
  • Minimizing retinotopic influences to isolate higher-level processing.
  • Comparing aftereffects for intact versus scrambled adaptor faces.

Main Results:

  • Significant transfer of the vertical compression aftereffect from faces to objects was observed, even when retinotopic components were minimized.
  • Face-to-face aftereffects were significantly larger than face-to-object aftereffects.
  • This difference was only apparent when the adapting face was whole and intact, not when it was scrambled.

Conclusions:

  • Global face distortion aftereffects possess both shape-generic and face-specific components.
  • These aftereffects are valuable for studying face-space representations.
  • Unambiguous use requires methods to mitigate or account for the shape-generic contribution.