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

Perceptual encoding and decision strategies for integral dimensions.

J R Dykes

    Journal of Experimental Psychology. Human Perception and Performance
    |February 1, 1981
    PubMed
    Summary

    This study on rectangle perception found that reaction times varied based on stimulus correlation and task complexity. Observers used different strategies for negatively correlated stimuli as task difficulty increased.

    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

    Lung disease in sheep, caused by the Strongylus rufescens. 1888.

    Journal of comparative pathology·2010
    Same author

    Embolization therapy as an alternative to thoracotomy in vascular injuries of the chest wall.

    The American surgeon·1998
    Same author

    Cardiac herniation producing tamponade: the critical role of early diagnosis.

    The Journal of trauma·1997
    Same author

    Intraoperative duplex scanning reduces both residual stenosis and postoperative morbidity of carotid endarterectomy.

    The American surgeon·1997
    Same author

    A neutrophil GTP-binding protein that regulates cell free NADPH oxidase activation is located in the cytosolic fraction.

    Journal of immunology (Baltimore, Md. : 1950)·1990
    Same author

    A demonstration of selection of analyzers for integral dimensions.

    Journal of experimental psychology. Human perception and performance·1979

    Area of Science:

    • Cognitive Psychology
    • Perception and Psychophysics

    Background:

    • Previous research explored stimulus identification using geometric shapes.
    • Understanding how humans process visual stimuli with varying correlations is crucial for cognitive science.

    Purpose of the Study:

    • To investigate the impact of stimulus-response correlation on reaction times in identification tasks.
    • To examine how the number of alternatives influences perceptual processing strategies.

    Main Methods:

    • Three experiments were conducted using rectangles generated by modifying a square.
    • The number of stimulus/response alternatives was systematically varied (two, three, and four choices).
    • Reaction times were measured and analyzed based on stimulus correlation and task complexity.

    Main Results:

    • In two-choice tasks, redundancy gain was similar for positively and negatively correlated sets.
    • In three- and four-choice tasks, reaction times were faster for negatively correlated sets after practice.
    • Data suggest parallel processing of dimensional analyzers for initial rectangle perception.

    Conclusions:

    • Initial perceptual processing of rectangles involves parallel operation of separate dimensional analyzers.
    • Increased stimulus/response alternatives lead observers to adopt distinct decision strategies for negatively correlated sets compared to others.

    Related Experiment Videos