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

Characteristics of Life01:23

Characteristics of Life

262.5K
Biology is a natural science that studies life and living organisms, including their structure, function, development, interactions, evolution, distribution, and taxonomy. The field's scope is extensive and divided into several specialized disciplines, such as anatomy, physiology, ethology, genetics, and many more. All living things share a few key traits, including cellular organization, heritable genetic material and the ability to adapt/evolve, metabolism to regulate energy needs, the...
262.5K
Subliminal Perception01:15

Subliminal Perception

804
Subliminal perception refers to the processing of sensory information that occurs below the level of conscious awareness. Researchers study subliminal perception by presenting a stimulus, such as a word or image, very quickly, typically around 50 milliseconds. This rapid presentation is often followed by another stimulus, such as a pattern of dots or lines, which blocks further mental processing of the initial stimulus. As a result, if participants cannot identify the initial stimulus better...
804
Factors Affecting Perception01:25

Factors Affecting Perception

2.8K
Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
2.8K
Perception01:28

Perception

1.2K
Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
1.2K
Gestalt Principles of Perception01:21

Gestalt Principles of Perception

1.3K
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...
1.3K
Auditory Perception01:17

Auditory Perception

1.1K
The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the...
1.1K

You might also read

Related Articles

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

Sort by
Same author

Enoxacin Shows Broad-Spectrum Antiviral Activity against Diverse Viruses by Enhancing Antiviral RNA Interference in Insects.

Journal of virology·2021
Same author

Novel Counteraction Effect of H<sub>2</sub>O and SO<sub>2</sub> toward HCl on the Chemical Adsorption of Gaseous Hg<sup>0</sup> onto Sulfureted HPW/γ-Fe<sub>2</sub>O<sub>3</sub> at Low Temperatures: Mechanism and Its Application in Hg<sup>0</sup> Recovery from Coal-Fired Flue Gas.

Environmental science & technology·2021
Same author

An Early-Onset Advanced Rectal Cancer Patient With Increased KRAS Gene Copy Number Showed A Primary Resistance to Cetuximab in Combination With Chemotherapy: A Case Report.

Frontiers in oncology·2021
Same author

Construction of a risk assessment model of cardiovascular disease in a rural Chinese hypertensive population based on lasso-Cox analysis.

Journal of clinical hypertension (Greenwich, Conn.)·2021
Same author

Low fat mass index outperforms handgrip weakness and GLIM-defined malnutrition in predicting cancer survival: Derivation of cutoff values and joint analysis in an observational cohort.

Clinical nutrition (Edinburgh, Scotland)·2021
Same author

Development and validation of a Modified Patient-Generated Subjective Global Assessment as a nutritional assessment tool in cancer patients.

Journal of cachexia, sarcopenia and muscle·2021

Related Experiment Video

Updated: Feb 11, 2026

Discovery of Driver Genes in Colorectal HT29-derived Cancer Stem-Like Tumorspheres
06:52

Discovery of Driver Genes in Colorectal HT29-derived Cancer Stem-Like Tumorspheres

Published on: July 22, 2020

7.0K

Lane change warning threshold based on driver perception characteristics.

Chang Wang1, Qinyu Sun1, Rui Fu1

  • 1Chang'an University, School of Automobile, Middle Section of Nan'er Huan Road, Xi'an, 710064, China.

Accident; Analysis and Prevention
|April 29, 2018
PubMed
Summary

This study determined optimal warning thresholds for Lane Change Warning (LCW) systems. The research identified specific deceleration levels to improve driver perception and enhance the safety and acceptance of intelligent vehicle systems.

Keywords:
Driver perceptionLane change warningSignal detection theoryThreshold

More Related Videos

Estimating Vestibular Perceptual Thresholds Using a Six-Degree-Of-Freedom Motion Platform
06:31

Estimating Vestibular Perceptual Thresholds Using a Six-Degree-Of-Freedom Motion Platform

Published on: August 4, 2022

3.7K
Rapid Determination of the Thermal Nociceptive Threshold in Diabetic Rats
05:45

Rapid Determination of the Thermal Nociceptive Threshold in Diabetic Rats

Published on: May 17, 2012

28.2K

Related Experiment Videos

Last Updated: Feb 11, 2026

Discovery of Driver Genes in Colorectal HT29-derived Cancer Stem-Like Tumorspheres
06:52

Discovery of Driver Genes in Colorectal HT29-derived Cancer Stem-Like Tumorspheres

Published on: July 22, 2020

7.0K
Estimating Vestibular Perceptual Thresholds Using a Six-Degree-Of-Freedom Motion Platform
06:31

Estimating Vestibular Perceptual Thresholds Using a Six-Degree-Of-Freedom Motion Platform

Published on: August 4, 2022

3.7K
Rapid Determination of the Thermal Nociceptive Threshold in Diabetic Rats
05:45

Rapid Determination of the Thermal Nociceptive Threshold in Diabetic Rats

Published on: May 17, 2012

28.2K

Area of Science:

  • Automotive Safety Engineering
  • Human-Computer Interaction
  • Driver Behavior Analysis

Background:

  • Lane Change Warning (LCW) systems aim to reduce driver workload and enhance safety.
  • Inappropriate warning thresholds can negatively impact driver judgment and system acceptance.
  • Establishing driver-centric thresholds is crucial for effective LCW system performance.

Purpose of the Study:

  • To identify warning thresholds for LCW systems that align with driver perception of safety during lane changes.
  • To develop a theoretical model for lane change warnings based on rear vehicle dynamics.
  • To propose a hierarchical warning system with distinct levels of caution.

Main Methods:

  • A theoretical warning model was developed using safe minimum distance and rear vehicle deceleration.
  • Thirty drivers participated in freeway tests (Front/Rear Extremity Tests) to capture perception characteristics.
  • Signal detection theory was applied to analyze driver response data and determine thresholds.

Main Results:

  • Two distinct deceleration thresholds were identified: 1.5 m/s² for a primary warning and 2.7 m/s² for a secondary, immediate warning.
  • The study quantified driver perception of safety margins during lane changes with approaching vehicles.
  • Discrepancies in required deceleration informed the design of a two-level warning system.

Conclusions:

  • The determined deceleration thresholds provide a foundation for LCW algorithm design.
  • Implementing these driver-aligned thresholds is expected to increase the accuracy and acceptability of LCW systems.
  • This research contributes to the development of more intelligent and user-friendly automotive safety technologies.