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

Circles01:18

Circles

151
A circle in the coordinate plane is defined as the set of all points that lie at a constant distance, known as the radius, from a fixed point called the center. This relationship is captured using the distance formula. For a point (x, y) on the circle and a center (h, k), the distance between them equals the radius r. By squaring both sides of the distance formula, the equation of the circle is written in standard form:Constructing the Equation from Geometric InformationIf the center and the...
151
Curvilinear Motion: Rectangular Components01:23

Curvilinear Motion: Rectangular Components

1.0K
Curvilinear motion characterizes the movement of a particle or object along a curved path, notably evident when envisioning a car navigating a winding road. If the car starts at point A, its position vector is established within a fixed frame of reference, where the ratio of the position vector to its magnitude signifies the unit vector pointing in the position vector's direction.
As the car advances, its position evolves over time. Quantifying the car's velocity involves computing the...
1.0K
Radius of Gyration of an Area01:12

Radius of Gyration of an Area

2.6K
The second moment of area, also known as the moment of inertia of area, is a crucial factor in understanding an object's resistance against bending deformation, or stiffness. To accurately estimate the second moment of area along any axis, one needs to concentrate all areas associated with that object into a thin strip, which should be placed parallel to that particular axis.
2.6K
Degree of Curvature and Radius of Curvature01:19

Degree of Curvature and Radius of Curvature

450
The degree of curvature and the radius of curvature are fundamental concepts in determining the sharpness or smoothness of a curve. The degree of curvature is a measure of how steeply a curve bends and can be determined using the chord basis or the arc basis. In the chord basis method, the degree of curvature is defined as the central angle subtended by a chord of 30.48 meters, helping in the calculation of the radius of the curve. The arc basis method defines the degree of...
450
VSEPR Theory and the Basic Shapes02:52

VSEPR Theory and the Basic Shapes

82.4K
Overview of VSEPR Theory
82.4K
Theorems of Pappus and Guldinus: Problem Solving01:12

Theorems of Pappus and Guldinus: Problem Solving

1.0K
Pappus and Guldinus's theorems are powerful mathematical principles that are used for finding the surface area and volume of composite shapes. For example, consider a cylindrical storage tank with a conical top. Finding the surface area or volume can be challenging for such complex shapes. These theorems are particularly useful in calculating the volume and surface area of such systems. Here, the cylindrical storage tank with a conical top can be broken down into two simple shapes: a...
1.0K

You might also read

Related Articles

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

Sort by
Same author

Memory strength at reactivation, not memory age, governs prediction error-driven updating of naturalistic event memory.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2026
Same author

Memory in the Palm of Your Hand: Smartphone-based Methods for Measuring Memory in the Wild.

Journal of cognitive neuroscience·2026
Same author

Improving autobiographical episodic memory, quality of life, and sense of self with a smartphone intervention in early dementia: A case study.

Neuropsychological rehabilitation·2026
Same author

Independent Typers Exist: A Reply to Letters on Why We Need to Study Assisted Methods to Teach Typing.

Autism research : official journal of the International Society for Autism Research·2026
Same author

Sex-dependent role of the ventral hippocampus, but not its projection to the medial prefrontal cortex, in a novel operant conflict-driven ethanol choice task.

Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology·2026
Same author

Novelty Discrimination of Configural Objects in the Perirhinal and Anterolateral Entorhinal Cortices Is Impacted by Aging.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026

Related Experiment Video

Updated: Jan 6, 2026

Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing
06:25

Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing

Published on: February 23, 2024

1.1K

The validated circular shape space: Quantifying the visual similarity of shape.

Aedan Y Li1, Jackson C Liang1, Andy C H Lee1

  • 1Department of Psychology.

Journal of Experimental Psychology. General
|October 4, 2019
PubMed
Summary

Researchers created a new shape stimulus set for experiments. This Validated Circular Shape space allows precise control over visual similarity, aiding cognitive psychology research.

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

2.9K
Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns
13:44

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns

Published on: August 30, 2013

43.5K

Related Experiment Videos

Last Updated: Jan 6, 2026

Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing
06:25

Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing

Published on: February 23, 2024

1.1K
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

2.9K
Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns
13:44

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns

Published on: August 30, 2013

43.5K

Area of Science:

  • Cognitive Psychology
  • Perception
  • Psychophysics

Background:

  • Subjective similarity is crucial in cognitive theories, impacting attention, categorization, memory, and problem-solving.
  • Experimenters lack resources to systematically manipulate visual shape similarity.

Purpose of the Study:

  • To develop and validate a novel stimulus space for precisely controlling visual shape similarity.
  • To provide researchers with a freely available resource for cognitive experiments.

Main Methods:

  • Developed a stimulus space of 360 shapes through iterative validation over seven iterations.
  • Utilized a novel image-processing technique combined with collected similarity judgments.
  • Established angular distance on a 2D circle as a proxy for visual similarity.

Main Results:

  • Created the Validated Circular Shape space, the first of its kind for shape similarity.
  • Demonstrated that angular distance in the space accurately reflects visual similarity.
  • Validated the resource through extensive testing.

Conclusions:

  • The Validated Circular Shape space offers a standardized method for manipulating shape similarity in research.
  • This resource facilitates controlled experiments on cognitive processes influenced by visual similarity.
  • The validated shape space is now available for use by the scientific community.