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

Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

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.

You might also read

Related Articles

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

Sort by
Same author

Working Memory Maintenance of Visual and Auditory Spatial Information Relies on Supramodal Neural Codes in the Dorsal Frontoparietal Cortex.

Brain sciences·2024
Same author

What, if anything, can be considered an amodal sensory dimension?

Psychonomic bulletin & review·2024
Same author

Prokofiev was (almost) right: A cross-cultural investigation of auditory-conceptual associations in Peter and the Wolf.

Psychonomic bulletin & review·2024
Same author

Prevalence and predictors of binge eating disorder symptoms among a sample of university students in Bangladesh: A cross-sectional survey.

Health science reports·2023
Same author

More of me: Self-prioritization of numeric stimuli.

Journal of experimental psychology. Human perception and performance·2023
Same author

Enhancing the design of wine labels.

Frontiers in psychology·2023

Related Experiment Video

Updated: Jul 14, 2026

Observing the Transformation of Bodily Self-consciousness in the Squeeze-machine Experiment
07:20

Observing the Transformation of Bodily Self-consciousness in the Squeeze-machine Experiment

Published on: March 8, 2019

Tool-use: capturing multisensory spatial attention or extending multisensory peripersonal space?

Nicholas P Holmes1, Daniel Sanabria, Gemma A Calvert

  • 1Department of Experimental Psychology, Oxford University, Oxford, UK; Department of Psychology, Bath University, Bath, UK. npholmes@neurobiography.info

Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
|May 31, 2007
PubMed
Summary

Tool use shifts spatial attention, not extending peripersonal space. Holding a tool directs attention to its side, a multisensory effect that disappears when using two tools.

More Related Videos

Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking
05:58

Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking

Published on: August 29, 2018

Related Experiment Videos

Last Updated: Jul 14, 2026

Observing the Transformation of Bodily Self-consciousness in the Squeeze-machine Experiment
07:20

Observing the Transformation of Bodily Self-consciousness in the Squeeze-machine Experiment

Published on: March 8, 2019

Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking
05:58

Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking

Published on: August 29, 2018

Area of Science:

  • Cognitive Neuroscience
  • Human Behavioural Studies
  • Sensory Integration

Background:

  • The hypothesis that tool use extends neural representations of peripersonal space is attractive but lacks empirical testing for competing explanations.
  • Previous research often uses single tools, potentially confounding results with attentional biases.
  • Understanding the neural basis of tool-use behaviours in primates requires rigorous behavioural investigation.

Purpose of the Study:

  • To empirically test competing hypotheses for the behavioural effects of tool use on peripersonal space.
  • To investigate whether single tool use induces a spatial allocation of attention.
  • To differentiate between peripersonal space extension and attentional shift theories.

Main Methods:

  • Conducted five behavioural experiments with 120 healthy human participants.
  • Assessed visual-tactile interactions in peripersonal space during single and dual tool use.
  • Measured tactile discrimination responses influenced by visual stimuli presented at different spatial locations relative to tool manipulation.

Main Results:

  • Participants holding a single tool showed enhanced tactile discrimination for visual stimuli on the same side as the tool.
  • This spatial attentional effect disappeared when participants held two tools, one in each hand.
  • Results contradict the peripersonal space extension hypothesis.

Conclusions:

  • Tool use does not extend peripersonal space; instead, it causes an automatic multisensory shift of spatial attention.
  • Attention is directed towards the side of space where the tool's tip is actively held.
  • Findings challenge existing cognitive neuroscientific models of tool use and have significant implications for the field.