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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...
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A parametric surface in three-dimensional space is defined through a vector-valued function\begin{equation*}\mathbf{r}(u, v) = x(u, v)\mathbf{i} + y(u, v)\mathbf{j} + z(u, v)\mathbf{k}\end{equation*}where u and v are parameters within a specified domain D in the uv-plane. The functions x(u, v), y(u, v), and z(u, v) define the coordinates of points on the surface. As u and v vary over D, the position vector r(u, v) traces a continuous surface in space. This parametric representation is essential...

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A Parametric Framework to Generate Visual Illusions Using Python.

Dominique Makowski1,1,2,3,4, Zen J Lau1,1,2,3,4, Tam Pham1,1,2,3,4

  • 1School of Social Sciences, 54761Nanyang Technological University, Singapore.

Perception
|November 29, 2021
PubMed
Summary
This summary is machine-generated.

Pyllusion is a new open-source software for generating visual illusions. This tool enhances research reproducibility by providing a systematic approach to creating and manipulating illusions for scientific studies.

Keywords:
open-sourceperceptionpyllusionpythonsoftwarevisual illusions

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Psychology

Background:

  • Visual illusions are crucial for understanding perception, consciousness, and neuropsychiatric disorders.
  • Current methods for generating illusions are inconsistent and hinder research reproducibility.

Purpose of the Study:

  • To introduce Pyllusion, an open-source Python software for systematic generation and manipulation of visual illusions.
  • To address the lack of standardized tools in illusion-based research.

Main Methods:

  • Developed Pyllusion as a Python-based framework.
  • Ensured compatibility with various image formats (.png, .jpg, .tiff) and experimental software (e.g., PsychoPy).

Main Results:

  • Pyllusion provides a systematic and flexible approach to creating visual illusions.
  • The software facilitates reproducible research in perception and cognitive science.

Conclusions:

  • Pyllusion offers a valuable resource for researchers studying visual illusions.
  • The software has the potential to advance scientific breakthroughs in understanding perception and related disorders.