Related Experiment Video
Updated: Jan 23, 2026
10:38
A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
Published on: July 16, 2015
14.1K
Detection of brake lights while distracted: Separating peripheral vision from cognitive load
Benjamin Wolfe1, Ben D Sawyer2,3, Anna Kosovicheva4
1Computer Science and Artificial Intelligence Laboratory, Massachusetts Institute of Technology, Cambridge, MA, USA. bwolfe@mit.edu.
Attention, Perception & Psychophysics
|June 22, 2019
Summary
Driver distraction impacts driving safety. Looking away from the road, rather than cognitive load, significantly degrades performance by relying on peripheral vision for critical event detection.
Area of Science:
- Human-Computer Interaction
- Cognitive Psychology
- Transportation Safety
Background:
- Drivers frequently engage in secondary tasks, leading to distraction.
- Multitasking while driving can impair perception and performance.
- Existing research often overlooks how distraction affects visual perception.
Purpose of the Study:
- To differentiate the impact of cognitive load versus gaze aversion on driving performance.
- To investigate how peripheral vision use affects the detection of driving-relevant events.
- To understand the primary cause of performance decrements during distracted driving.
Main Methods:
- Laboratory experiment manipulating cognitive load and point of gaze.
- Participants performed a visual task (0-back or 1-back) while viewing driving videos.
- Brake light detection in a simulated driving environment was monitored.
Main Results:
- Brake light detection slowed and miss rates increased with greater brake light eccentricity.
- Cognitive load had minimal impact on detection performance, reaction times, or miss rates.
- Performance decrements were primarily linked to the need for peripheral visual monitoring.
Conclusions:
- Gaze aversion, necessitating peripheral vision, is a more significant factor in driving performance degradation than cognitive load.
- Future interventions should consider the impact of visual search patterns during distracted driving.
- Understanding visual perception limitations is crucial for enhancing driver safety systems.
Related Concept Videos
01:24Vision
59.5K
Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
59.5K
01:24Color Vision
1.4K
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.
1.4K
01:38Cognitive Dissonance
36.8K
Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
36.8K
01:15Depth Perception and Spatial Vision
1.9K
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.
1.9K
01:19Impact Loading
674
Impact loading occurs when a moving object collides with a stationary structure, such as a rod with a uniform cross-sectional area fixed at one end. Under these conditions, the rod absorbs the kinetic energy from the striking object, leading to deformation and subsequent stress development. As the rod returns to its original position and reaches maximum stress, the absorbed energy, initially manifested as kinetic energy, transforms entirely into strain energy.
In cases of elastic deformation,...
In cases of elastic deformation,...
674
01:27Language and Cognition
741
Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
741