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

Visual processing of targets can reduce saccadic latencies.

Leo Trottier1, Jay Pratt

  • 1Department of Psychology, University of Toronto, 100 St George Street, Toronto, Ont., Canada M5S 3G3.

Vision Research
|March 4, 2005
PubMed
Summary
This summary is machine-generated.

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

The mind's average: Unseen, internally generated ensemble representations can guide visual attention.

Attention, perception & psychophysics·2026
Same author

'Not so intuitive' physics: Orientation supersedes stability in prioritizing attention.

Psychonomic bulletin & review·2025
Same author

Rapid development of inhibitory effects in response to novel features: It's mostly target-feature enhancement.

Psychonomic bulletin & review·2025
Same author

Examining visual prior entry of semantic affective valences: positive is biased over negative.

Cognition & emotion·2025
Same author

Selectively attended information is obligatorily encoded into visual working memory.

Journal of experimental psychology. Human perception and performance·2025
Same author

The fate of visual working memory items after their job is done.

Journal of vision·2025

Human saccadic reaction times (SRTs) are faster than previously thought. New research indicates SRTs are around 150 ms, challenging older estimates and suggesting faster saccades are the norm.

Area of Science:

  • Neuroscience
  • Human Physiology
  • Ophthalmology

Background:

  • Saccadic reaction times (SRTs) are typically approximated at 200 ms in normal human subjects.
  • Previous estimations may not fully capture the natural capabilities of the saccade system.

Purpose of the Study:

  • To investigate human SRTs using a novel experimental approach.
  • To determine if SRTs are faster when subjects are instructed to rapidly acquire visual information.

Main Methods:

  • Employed an experimental method designed to leverage the saccade system's natural function.
  • Instructed subjects to rapidly acquire detailed visual information from their environment.
  • Incorporated the sensory-based "gap" effect (removing the fixation object before target presentation).

Related Experiment Videos

Main Results:

  • Human SRTs were found to be on the order of 150 ms.
  • Combining the experimental method with the "gap" effect yielded significantly lower SRTs.
  • These results challenge the conventional 200 ms approximation for normal human SRTs.

Conclusions:

  • Previous approximations of human SRTs may have been too conservative.
  • The findings suggest that "express" saccades might represent the norm rather than a distinct category.
  • This research refines our understanding of human visual-motor processing speed.