Related Experiment Video
Updated: Aug 10, 2026

07:34
Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues
Published on: June 3, 2013
Functional theory of illusory conjunctions and neon colors
1Department of Psychology, Princeton University, New Jersey 08540.
Journal of Experimental Psychology. General
|June 1, 1989
Summary
Illusory conjunctions and neon color illusions arise from poor visual location information and perceptual organization. These visual phenomena are influenced by stimulus and subjective organization, even by linguistic structure.
Area of Science:
- Cognitive Psychology
- Visual Perception
- Computational Neuroscience
Background:
- Illusory conjunctions involve misperceiving combined colors and shapes.
- The neon colors illusion features achromatic figures adopting overlaid grid colors.
Purpose of the Study:
- To explain illusory conjunctions and neon color illusions using a unified theory.
- To investigate the role of spatial resolution and perceptual organization in these illusions.
- To demonstrate the theory's utility in veridical perception and illusion generation.
Main Methods:
- Developed a computational theory based on poor location information and perceptual organization constraints.
- Utilized computer simulations to model visual information encoding, noise filtering, and data completion.
- Conducted four experiments manipulating objective stimulus organization, subjective organization, and linguistic structure.
Main Results:
- The proposed theory successfully explains both illusory conjunctions and neon color illusions.
- Computer simulations confirmed the theory's mechanisms are effective in veridical perception and sufficient for illusions.
- Experimental results showed illusions are influenced by objective, subjective, and linguistic factors.
Conclusions:
- Visual perception mechanisms economically encode information, filtering noise and filling gaps.
- Spatial resolution limitations and perceptual organization are key to understanding these visual illusions.
- Linguistic structure significantly constrains visual processing, impacting both illusory conjunctions and neon color perception.
Related Concept Videos
Cause and Effect
While variables are sometimes correlated because one does cause the other, it could also be that some other factor, a confounding variable, is actually causing the systematic movement in our variables of interest. For instance, as sales in ice cream increase, so does the overall rate of crime. Is it possible that indulging in your favorite flavor of ice cream could send you on a crime spree? Or, after committing crime do you think you might decide to treat yourself to a cone?
Functionalism
William James, John Dewey, and Charles Sanders Peirce were instrumental in founding functional psychology, which draws heavily from Darwin's theory of evolution by natural selection. This theory suggests that individual traits, including behaviors, are adapted to their environments through natural selection. At the heart of functionalism is the concept of adaptation, meaning that a trait enhances an individual's chances of survival and reproduction.
James envisioned psychology's role as...
James envisioned psychology's role as...
Color Vision
Color perception begins in the retina, the light-sensitive layer at the back of the eye. Two main theories explain how colors are seen: the trichromatic theory and the opponent-process theory. The trichromatic theory, proposed by Thomas Young in 1802 and extended by Hermann von Helmholtz in 1852, suggests that color vision is based on three types of cone receptors in the retina. These cones are sensitive to different but overlapping ranges of wavelengths corresponding to red, blue, and green.
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...
Magical Thinking
Magical thinking encompasses the belief in assumptions that defy logical reasoning yet appear intuitively convincing. It is a common psychological phenomenon that persists across various cultural and individual contexts. While these assumptions contradict empirical evidence and scientific laws, they often serve meaningful psychological roles in promoting emotional resilience and a sense of control, especially under stress or uncertainty.Thought-Action Fusion and the Law of SimilarityA key...
Theory of Attribution II: Kelley's Covariation Theory
Attribution theory plays a crucial role in social psychology, helping to explain how individuals interpret the causes of behavior. One prominent model within this field is Harold Kelley's covariation theory, which provides a systematic approach to determining whether internal traits or external circumstances drive a person's actions. The model posits that individuals rely on three key types of information—consensus, consistency, and distinctiveness—to make these judgments.Consensus: Comparing...

