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

Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
Causes of Similarity-Dissimilarity Effect01:26

Causes of Similarity-Dissimilarity Effect

The similarity-dissimilarity effect, a fundamental concept in social psychology, explains how interpersonal similarities and differences influence attraction and social interactions. This effect is supported by three key psychological perspectives: balance theory, social comparison theory, and consensual validation.Balance Theory and Cognitive ConsistencyBalance theory, developed by Fritz Heider, posits that individuals seek cognitive consistency in their relationships. When two people share...
Association Areas of the Cortex01:21

Association Areas of the Cortex

Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Difference from Background: Limit of Detection01:05

Difference from Background: Limit of Detection

The limit of detection (LOD) is the smallest amount of analyte that can be distinguished from the background noise. The LOD value corresponds to the concentration at which the analyte signal is three times larger than the standard deviation of the blank signal. Below this value, the analyte signal cannot be differentiated from the background noise. It is calculated by dividing the calibration slope by 3 times the standard deviation of the blank signals.
The LOD indicates the presence or absence...
Factors Influencing Attraction III: Similarity01:23

Factors Influencing Attraction III: Similarity

The similarity hypothesis suggests that individuals are more likely to form relationships with others who share similar attitudes, beliefs, values, and interests. This concept has been widely studied in social psychology, demonstrating that perceived similarity fosters interpersonal attraction. In an experiment supporting this hypothesis, participants were presented with fabricated information indicating that strangers held attitudes similar to their own. The results showed that participants...
Factorial Design02:01

Factorial Design

Factorial Analysis is an experimental design that applies Analysis of Variance (ANOVA) statistical procedures to examine a change in a dependent variable due to more than one independent variable, also known as factors. Changes in worker productivity can be reasoned, for example, to be influenced by salary and other conditions, such as skill level. One way to test this hypothesis is by categorizing salary into three levels (low, moderate, and high) and skills sets into two levels (entry level...

You might also read

Related Articles

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

Sort by
Same author

Quantification and visualization of 3D facial aging in individuals of European ancestry.

GeroScience·2026
Same author

A statistical shape model of the human female sacrum: An integrative analysis of form.

Journal of anatomy·2026
Same author

JADE: jawbone lesion diagnosis and decision supporting system.

Dento maxillo facial radiology·2026
Same author

Leveraging the genetics of human face shape boosts the discovery of orofacial cleft risk loci.

medRxiv : the preprint server for health sciences·2026
Same author

The craniofacial shape of modern humans embodies genomic signatures of evolution, diversity, and clinical conditions.

bioRxiv : the preprint server for biology·2026
Same author

Moving the Fine Print to the Front Page: Transparent Communication of Facial Genetics Research.

Advanced genetics (Hoboken, N.J.)·2025
Same journal

From silenced shock to strategic resilience: a longitudinal qualitative study of nurse residents' trajectory in coping with patient verbal abuse.

Frontiers in psychology·2026
Same journal

Validation of the Internet Addiction Test (IAT) for forest firefighters: implications for human-technology interaction and occupational safety in the future of work.

Frontiers in psychology·2026
Same journal

Development and validation of the football emotion scale for Chinese youth players: a psychometric study.

Frontiers in psychology·2026
Same journal

From online engagement to offline action: how social media environmental engagement shapes university students' pro-environmental citizenship through intrinsic motivation and personal norms.

Frontiers in psychology·2026
Same journal

The multidimensional inventory of religious/spiritual wellbeing in Hungarian language: psychometric properties and initial validation.

Frontiers in psychology·2026
Same journal

Effects of occupational factors on depression in Chinese veterans: a fsQCA study based on 2022 CFPS data.

Frontiers in psychology·2026
See all related articles

Related Experiment Video

Updated: May 31, 2026

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues
07:34

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

Published on: June 3, 2013

How Different is Different? Criterion and Sensitivity in Face-Space.

Harold Hill1, Peter Claes, Michelle Corcoran

  • 1School of Psychology, University of Wollongong Wollongong, NSW, Australia.

Frontiers in Psychology
|July 9, 2011
PubMed
Summary
This summary is machine-generated.

Perceived identity changes in faces depend on both sensitivity and criterion, with an angular similarity metric proving most effective for determining physical differences that alter facial identity.

Keywords:
criteriondistinctivenessface recognitionface-spacesensitivitythree-dimensional shapeviewpoint

More Related Videos

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments
08:12

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

Published on: March 1, 2022

Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments
13:00

Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments

Published on: January 23, 2017

Related Experiment Videos

Last Updated: May 31, 2026

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues
07:34

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

Published on: June 3, 2013

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments
08:12

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

Published on: March 1, 2022

Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments
13:00

Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments

Published on: January 23, 2017

Area of Science:

  • Psychology
  • Computer Vision
  • Human Perception

Background:

  • Facial recognition involves distinguishing identity from other variations.
  • Quantifying perceived identity changes requires understanding human sensitivity and decision criteria.

Purpose of the Study:

  • To measure sensitivity to change and the criterion for perceived identity shifts.
  • To evaluate different similarity metrics for face perception.

Main Methods:

  • Utilized a same/different task with the method of constant stimuli.
  • Defined face differences within a principal component analysis (PCA)-based face-space.
  • Tested various viewing conditions, distance metrics (Euclidean, Mahalanobis), and similarity measures (angular).

Main Results:

  • Criterion (P50) varied with viewing conditions; sensitivity (DL) was higher with animated views.
  • Perceived identity changes were not solely based on Euclidean distance but influenced by specific principal components (PC2).
  • An angular similarity measure showed consistent performance across different face distinctiveness levels.

Conclusions:

  • Both sensitivity and criterion are crucial for understanding face identity perception.
  • An angular similarity metric, using standardized PCA values, best predicts perceived changes in facial identity.