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

Parallel Processing01:20

Parallel Processing

857
The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
857
Perception01:28

Perception

1.6K
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...
1.6K
Sensory Perception: Organization of the Somatosensory System01:11

Sensory Perception: Organization of the Somatosensory System

11.8K
The somatosensory system is the central and peripheral nervous system component that senses and processes touch, pressure, pain, temperature, and body position or proprioception. The process of sensation takes place at three levels:
The receptor level:
The receptor level is the first stage of sensation. It involves the detection of a stimulus by specialized sensory receptors. The stimulus must arrive within the receptor's receptive field. Next, the receptor converts the energy of the...
11.8K
Somatosensation01:33

Somatosensation

44.7K
The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.
44.7K
Real Number Operations01:27

Real Number Operations

443
The concept of real numbers includes all the values that can be represented on a continuous number line. The system began with basic counting values used for enumeration. It later expanded to include values that represent the absence of quantity and opposites of the counting values. When situations required expressing parts of a whole or dividing quantities evenly, values capable of representing such proportions were developed. When written using decimal notation, these values can end or repeat...
443
Introduction to Special Senses01:26

Introduction to Special Senses

8.9K
Sensory receptors play an integral part in comprehending our external and internal environments. They receive diverse stimuli, converting them into the nervous system's electrochemical signals. This conversion occurs as the stimulus alters the sensory neuron's cell membrane potential, instigating the generation of an action potential. This action potential is subsequently transmitted to the central nervous system (CNS), which integrates with other sensory data or higher cognitive...
8.9K

You might also read

Related Articles

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

Sort by
Same author

Sensorimotor numerosity uniquely supports arithmetic development in children.

i-Perception·2026
Same author

Is number a primary perceptual attribute?

i-Perception·2026
Same author

Different modality-specific mechanisms mediate serial dependence effects in visual and auditory perception.

BMC biology·2026
Same author

Multisensory Number Channels Derived from Individual Differences.

Multisensory research·2025
Same author

Brain Representation of Numerosity across the Senses and Presentation Formats.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2025
Same author

Magnitude processing and integration entail perceptual processes independent from the task.

Imaging neuroscience (Cambridge, Mass.)·2025

Related Experiment Video

Updated: Mar 16, 2026

Author Spotlight: A Novel Setup to Conduct Naturalistic Laboratory Experiments with Real Human Actors in Scenarios
07:43

Author Spotlight: A Novel Setup to Conduct Naturalistic Laboratory Experiments with Real Human Actors in Scenarios

Published on: August 4, 2023

2.8K

A shared numerical representation for action and perception.

Giovanni Anobile1,2, Roberto Arrighi1, Irene Togoli1

  • 1Department of Neuroscience, Psychology, Pharmacology and Child Health, University of Florence, Florence, Italy.

Elife
|August 10, 2016
PubMed
Summary
This summary is machine-generated.

Self-produced actions, like finger-tapping, alter the perception of visual stimuli numerosity. Rapid tapping leads to underestimation, while slow tapping causes overestimation, revealing a shared number sense between action and vision.

Keywords:
approximate number systemcross modal adaptationcross modal perceptionhumanneurosciencenumerosity adaptationnumerosity perception

More Related Videos

Characterization of the Sense of Agency over the Actions of Neural-machine Interface-operated Prostheses
05:21

Characterization of the Sense of Agency over the Actions of Neural-machine Interface-operated Prostheses

Published on: January 7, 2019

8.4K
Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments
13:00

Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments

Published on: January 23, 2017

10.4K

Related Experiment Videos

Last Updated: Mar 16, 2026

Author Spotlight: A Novel Setup to Conduct Naturalistic Laboratory Experiments with Real Human Actors in Scenarios
07:43

Author Spotlight: A Novel Setup to Conduct Naturalistic Laboratory Experiments with Real Human Actors in Scenarios

Published on: August 4, 2023

2.8K
Characterization of the Sense of Agency over the Actions of Neural-machine Interface-operated Prostheses
05:21

Characterization of the Sense of Agency over the Actions of Neural-machine Interface-operated Prostheses

Published on: January 7, 2019

8.4K
Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments
13:00

Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments

Published on: January 23, 2017

10.4K

Area of Science:

  • Cognitive Neuroscience
  • Psychology
  • Sensory Perception

Background:

  • Humans possess an innate approximate number system (ANS) for estimating quantities.
  • The relationship between motor actions and sensory perception, particularly numerosity, is not fully understood.

Purpose of the Study:

  • To investigate the influence of self-produced actions on the perception of visual stimulus numerosity.
  • To determine if action-induced numerosity distortions are spatially selective and affect different perceptual tasks.

Main Methods:

  • Participants engaged in rapid or slow finger-tapping without sensory feedback.
  • Following tapping, participants estimated or compared the numerosity of visual stimuli (flashes or dot clouds).
  • Stimuli were presented sequentially or simultaneously, and adaptation was assessed for spatial selectivity.

Main Results:

  • Rapid tapping led to underestimation of subsequent visual stimulus numerosity.
  • Slow tapping resulted in overestimation of visual stimulus numerosity.
  • These distortions were observed in both sequential and simultaneous stimulus presentations and across different estimation tasks, with spatial selectivity.

Conclusions:

  • Self-produced actions significantly interact with and distort the perception of external event numerosity.
  • Vision and action share underlying neural mechanisms for number processing, indicating a generalized number sense.
  • This generalized number sense integrates information from both self-generated actions and external sensory events.