Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Gestalt Principles of Perception01:21

Gestalt Principles of Perception

Gestalt principles provide a framework for understanding how humans perceive objects as unified wholes within their context. These principles are essential in explaining the cognitive processes that make sense of complex visual stimuli by organizing them into coherent groups. One fundamental principle is proximity, which posits that objects located close to each other are perceived as a collective group. For instance, when dots are positioned near one another, the visual system interprets them...
Interference and Diffraction02:18

Interference and Diffraction

Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.
Nonconscious Mimicry01:13

Nonconscious Mimicry

Nonconscious mimicry occurs when individuals alter their mannerisms to match the behaviors and expressions of those nearby, without intention.
Impression Management Techniques I: Managing Appearances01:29

Impression Management Techniques I: Managing Appearances

Appearance is a multidimensional aspect of self-presentation that encompasses observable attributes such as clothing, grooming, speech, and nonverbal behavior. These elements are often strategically managed to align with socially constructed expectations in different settings. For instance, individuals tailor their appearance during job interviews, social gatherings, or athletic events to meet the perceived norms of those environments.Contextual Adaptation and Social SignalsThe research...
Understanding Deception01:14

Understanding Deception

Deception is a pervasive aspect of human communication. Empirical studies have shown that most individuals engage in some form of deceit on a daily basis, with approximately 20% of social exchanges involving deceptive elements. Lying follows a developmental trajectory, peaking during adolescence and declining with age, possibly due to the maturation of cognitive control and social accountability.Cognitive and Social Factors in Deception DetectionDespite its prevalence, accurately detecting...
Perceptual Constancy01:12

Perceptual Constancy

Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

An in-depth investigation of face perception in developmental prosopagnosia.

Cognitive neuropsychology·2026
Same author

Chemogenetic Pericyte Activation Reveals Broad Contractile Ability and Limbic Vulnerability to Capillary Flow Deficits.

bioRxiv : the preprint server for biology·2026
Same author

Shifting focus: Does adaptation to new configural face information alter fixation behavior?

Vision research·2026
Same author

Time Pressure Increases Automation Reliance in a Face Matching Task.

Quarterly journal of experimental psychology (2006)·2025
Same author

A criterion-placement theory of face matching.

Cognition·2025
Same author

The impact of forensic delay: facilitating facial composite construction using an early-recall retrieval technique.

Ergonomics·2025
Same journal

Benchmarking spatial discrimination thresholds of two-frame motion defined forms compared to luminance and stereoscopic defined forms.

Perception·2026
Same journal

The effect of face masks on the perception of trustworthiness and competence in individuals with autistic traits.

Perception·2026
Same journal

The importance of external features for categorizing ethnicity: can Koreans identify Korean, Japanese, and Chinese faces?

Perception·2026
Same journal

Interoception, alexithymia, and motor congruency: Psychological drivers of body ownership in virtual reality.

Perception·2026
Same journal

The frustration of a small <i>n</i>.

Perception·2026
Same journal

Why do we have two eyes.

Perception·2026
See all related articles

Related Experiment Video

Updated: May 22, 2026

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation
06:53

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

Published on: March 1, 2017

The 'double face' illusion.

Peter J B Hancock1, Catherine Foster

  • 1Psychology, School of Natural Sciences, University of Stirling, Stirling FK9 4LA, Scotland, UK. pjbhl@stir.ac.uk

Perception
|May 23, 2012
PubMed
Summary
This summary is machine-generated.

Individual differences impact detecting doubled faces. This perceptual speed relates to face identification, with doubling affecting recognition less than inversion.

More Related Videos

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
09:49

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Published on: April 16, 2014

How to Create and Use Binocular Rivalry
14:34

How to Create and Use Binocular Rivalry

Published on: November 10, 2010

Related Experiment Videos

Last Updated: May 22, 2026

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation
06:53

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

Published on: March 1, 2017

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
09:49

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Published on: April 16, 2014

How to Create and Use Binocular Rivalry
14:34

How to Create and Use Binocular Rivalry

Published on: November 10, 2010

Area of Science:

  • Psychology
  • Cognitive Neuroscience
  • Visual Perception

Background:

  • The 'double face' illusion involves replicating facial features, creating a disturbing visual experience.
  • Previous research has not fully explored the perceptual mechanisms underlying this illusion.

Purpose of the Study:

  • To investigate the 'double face' illusion and its effects on face perception.
  • To explore individual differences in detecting doubled faces and their relation to perceptual speed.
  • To quantify the impact of face doubling on identification accuracy and reaction times.

Main Methods:

  • Three experiments were conducted involving brief, masked presentations of faces.
  • Individual differences in detecting doubled faces were assessed and correlated with perceptual speed tasks (e.g., famous face identification).
  • Reaction times were measured for judging face orientation and doubling, with stimuli rotated from upright. A visual search task compared normal and doubled faces.

Main Results:

  • Significant individual differences exist in detecting doubled faces, correlating with perceptual speed and famous face identification.
  • Face doubling significantly impacts face identification, though less than face inversion.
  • Participants were faster to detect doubling in rotated faces.
  • Normal and doubled faces did not exhibit visual pop-out; a processing overhead of 40-60 ms per doubled face was observed.

Conclusions:

  • Perceptual speed is a key factor in the ability to detect doubled faces.
  • Face doubling introduces a measurable processing cost, affecting identification and reaction times.
  • The findings offer insights into the neural mechanisms underlying face perception and the processing of facial features.