Related Experiment Video
Updated: May 23, 2026
14:34
How to Create and Use Binocular Rivalry
Published on: November 10, 2010
An initial search for visual overshadowing
Kevin R Harris1, Stephen T Paul, Carolyn E Adams-Price
1Department of Psychology, Austin Peay State University, Clarksville, TN 37044-4594, USA. harrisk@apsu.edu
Quarterly Journal of Experimental Psychology (2006)
|April 17, 2012
Summary
Visualizing abstract sentences impaired recognition, similar to verbalizing difficult stimuli. Both visualization and verbalization of abstract sentences negatively impacted memory recall.
Area of Science:
- Cognitive Psychology
- Memory Research
Background:
- Verbalizing difficult stimuli can impair recognition.
- The current study investigates the reverse phenomenon: visual interference with verbal recognition.
Purpose of the Study:
- To explore 'visual overshadowing,' where visualization interferes with verbal recognition.
- To examine how stimulus abstractness (ease of visualization) affects this phenomenon.
Main Methods:
- 180 participants were randomly assigned to concrete or abstract sentence conditions.
- Participants then verbalized, visualized, or completed a filler task.
- Recognition accuracy was measured for the presented sentences.
Main Results:
- Visualizing abstract sentences significantly reduced recognition accuracy.
- Unexpectedly, verbalizing abstract sentences also led to lower recognition.
- Concrete sentences did not show the same level of interference.
Conclusions:
- Visualization can interfere with verbal recognition, particularly for abstract stimuli.
- Verbalization of abstract stimuli also impairs recognition, suggesting shared cognitive load.
- Findings align with fuzzy-trace theory's principles of dual-process memory.
More Related Videos
Related Concept Videos
01:12Visual Agnosia
Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round end"...
01:21Gestalt 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...
01:12Perceptual 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...
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...
01:05Difference 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...
The LOD indicates the presence or absence...
01:18Aliasing
Accurate signal sampling and reconstruction are crucial in various signal-processing applications. A time-domain signal's spectrum can be revealed using its Fourier transform. When this signal is sampled at a specific frequency, it results in multiple scaled replicas of the original spectrum in the frequency domain. The spacing of these replicas is determined by the sampling frequency.
If the sampling frequency is below the Nyquist rate, these replicas overlap, preventing the original signal...
If the sampling frequency is below the Nyquist rate, these replicas overlap, preventing the original signal...
01:15Depth 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.