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 Experiment Videos

Multiple-element line segment precues: orientation and location effects on attention

G Chastain1

  • 1Department of Psychology, Boise State University, ID 83725, USA. rpschast@idbsu.idbsu.edu

Perception & Psychophysics
|October 1, 1996
PubMed
Summary

Visual search for a unique line segment is slower at the end of a directional flow created by background elements. This finding impacts understanding visual attention and object detection.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Attentional capture with various distractor and target types.

Perception & psychophysics·2001
Same author

Time course of attention effects with abrupt-onset and offset single- and multiple-element precues.

The American journal of psychology·2000
Same author

Attention effects of abrupt-onset precues with central, single-element, and multiple-element precues.

Consciousness and cognition·1999
Same author

Inhibition of return: support for generality of the phenomenon.

The Journal of general psychology·1999
Same author

Attention effects of moving and stationary single-element and multiple-element precues: limits of automaticity.

Perception & psychophysics·1998
Same author

Parafoveal identification asymmetry: interactive effects of shape and color.

Genetic, social, and general psychology monographs·1998

Area of Science:

  • Visual perception
  • Cognitive psychology
  • Experimental psychology

Background:

  • Visual search efficiency is influenced by contextual cues.
  • The alignment of background elements can create a sense of directional flow.
  • Understanding how visual flow affects target detection is crucial for visual cognition research.

Purpose of the Study:

  • To test if a uniquely oriented line segment is detected slower at the end of a visual flow compared to within it.
  • To investigate the underlying mechanisms of visual search in flow fields.
  • To determine if local configuration effects influence detection at flow endpoints.

Main Methods:

  • Three experiments were conducted using visual search tasks.
  • Experiment 1 measured response times for unique segment detection.

Related Experiment Videos

  • Experiments 2 and 3 employed a location-cuing task with accuracy as the dependent measure, using the unique segment as a precue.

    • Main Results:

    • Detection of the unique segment was significantly slower at the end of the directional flow.
    • The slower detection was not attributable to local configuration effects.
    • The time course of attentional development with multi-segment precues was similar to an arrow precue but slower than a single-segment precue.

    Conclusions:

    • Visual flow significantly impairs the detection of unique elements at its termination.
    • Attention deployment is influenced by the perceived directionality of visual elements.
    • These findings contribute to models of visual attention and spatial processing.