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

Cerebral Hemispheres01:05

Cerebral Hemispheres

440
The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
440
Somatosensation01:33

Somatosensation

37.2K
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.
37.2K
Lateralization01:28

Lateralization

393
Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
393
Thermosensation01:43

Thermosensation

31.0K
Peripheral thermosensation is the perception of external temperature. A change in temperature (on the surface of the skin and other tissues) is detected by a family of temperature-sensitive ion channels called Transient Receptor Potential, or TRP, receptors. These receptors are located on free nerve endings. Those detecting cold temperatures are closer to the surface of the skin than the nerve endings detecting warmth. These thermoTRP channels, while temperature selective, have relatively...
31.0K
Major Somatic Sensory Pathways01:28

Major Somatic Sensory Pathways

1.1K
Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the...
1.1K
Facial Feedback Hypothesis01:24

Facial Feedback Hypothesis

230
Charles Darwin proposed that facial expressions are an evolutionary adaptation for communication. He argued that these expressions are not influenced by culture but are universal across species. For example, a snarling expression with exposed teeth signals a threat in many animals, including humans. Darwin also suggested that displaying an emotion can intensify the feeling. Smiling, for example, could enhance one's sense of happiness. This idea laid the foundation for understanding the role...
230

You might also read

Related Articles

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

Sort by
Same author

Neural adaptation to climate change: mechanisms, limits and opportunities.

Nature reviews. Neuroscience·2026
Same author

Reconceptualizing the sense of agency: expanding Decision-level Agency as mental action in the era of generative AI.

Frontiers in psychology·2026
Same author

Spatial Distance and Temporal Attentional Focus Modulate Voluntary Action Preparation and Awareness.

Psychophysiology·2026
Same author

Minimizing command timing variability is a key factor in skilled actions.

Neural networks : the official journal of the International Neural Network Society·2026
Same author

Consensus Paper: Models of Cerebellar Functions.

Cerebellum (London, England)·2026
Same author

The sense of agency in near and far space: where do we stand?

Neuroscience of consciousness·2026
Same journal

Chronic limb loading results in remarkable load carriage economy in growing fowl.

Proceedings. Biological sciences·2026
Same journal

Motion-from-structure in face perception: expectations of natural face motion depend on face shape.

Proceedings. Biological sciences·2026
Same journal

Unification and generalization of models of zygote survival.

Proceedings. Biological sciences·2026
Same journal

Phenological type- and diameter-dependent effects of individual light availability and interannual climate variation on tree growth.

Proceedings. Biological sciences·2026
Same journal

Interaction range of common goods shapes Black Queen dynamics beyond the cheater-cooperator narrative.

Proceedings. Biological sciences·2026
Same journal

Stingray spine diversity reflects performance trade-offs linked to puncture and breakability.

Proceedings. Biological sciences·2026
See all related articles

Related Experiment Video

Updated: Aug 18, 2025

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation
06:53

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation

Published on: March 1, 2017

13.3K

Interhemispheric communication during haptic self-perception.

Gaiqing Kong1,2, Antonio Cataldo1,3, Miruna Nitu1

  • 1Institute of Cognitive Neuroscience, University College London, Alexandra House, 17-19 Queen Square, London WCIN 3AZ, UK.

Proceedings. Biological Sciences
|December 7, 2022
PubMed
Summary
This summary is machine-generated.

Sensory illusions of surface bumps during self-touch are influenced by tactile signals from the other hand. Interhemispheric transfer of tactile information occurs, but the brain doesn't distinguish between increased or decreased pressure.

Keywords:
force–geometry illusionhaptic perceptioninterhemispheric communicationself-touchsensorimotor integration

More Related Videos

Virtual Hand with Ambiguous Movement between the Self and Other Origin: Sense of Ownership and 'Other-Produced' Agency
08:01

Virtual Hand with Ambiguous Movement between the Self and Other Origin: Sense of Ownership and 'Other-Produced' Agency

Published on: October 28, 2020

5.7K
Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine
07:05

Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine

Published on: October 27, 2016

9.3K

Related Experiment Videos

Last Updated: Aug 18, 2025

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation
06:53

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation

Published on: March 1, 2017

13.3K
Virtual Hand with Ambiguous Movement between the Self and Other Origin: Sense of Ownership and 'Other-Produced' Agency
08:01

Virtual Hand with Ambiguous Movement between the Self and Other Origin: Sense of Ownership and 'Other-Produced' Agency

Published on: October 28, 2020

5.7K
Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine
07:05

Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine

Published on: October 27, 2016

9.3K

Area of Science:

  • Neuroscience
  • Haptic Perception
  • Somatosensation

Background:

  • Illusory bumps are perceived during haptic exploration due to resistance.
  • Self-touch involves integrating kinaesthetic and tactile signals.
  • Understanding interhemispheric integration in self-touch is crucial.

Purpose of the Study:

  • To investigate the combination of kinaesthetic and tactile signals in self-touch.
  • To determine how tactile information from one hand influences haptic perception in the other.
  • To explore the role of temporal synchronization in interhemispheric transfer.

Main Methods:

  • Participants performed movements with one hand while a robot applied resistance, creating illusory bumps.
  • A second robot delivered synchronized tactile stimuli (increased or decreased pressure) to the other forearm.
  • Participants judged the magnitude of perceived bumps, with varying tactile stimulus conditions.

Main Results:

  • Perceived bump size was enhanced by both increased and decreased tactile pressure on the contralateral forearm.
  • Tactile event detection was transferred interhemispherically, irrespective of the pressure change's sign.
  • Randomizing tactile stimuli abolished interhemispheric enhancement, unlike blocked presentation.

Conclusions:

  • Interhemispheric transfer during bimanual self-touch relies on temporal synchronization of events.
  • Geometric consistency between hemispheric information is not required for this transfer.
  • The brain integrates cross-modal sensory information without strict adherence to the sign of tactile input.