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Related Experiment Video

Updated: Jun 23, 2026

Testing Tactile Masking between the Forearms
08:05

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Published on: February 10, 2016

Touch and the body.

Andrea Serino1, Patrick Haggard

  • 1Dipartimento di Psicologia and Centro studi e ricerche in Neuroscienze Cognitive, Università degli Studi di Bologna, Italy.

Neuroscience and Biobehavioral Reviews
|April 21, 2009
PubMed
Summary
This summary is machine-generated.

This study models how tactile information from external objects and internal body representations interact in the brain. It reveals four key pathways linking sensory input to our sense of self.

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Area of Science:

  • Neuroscience
  • Somatosensory System
  • Cognitive Science

Background:

  • The sense of touch provides information about external objects and the body's internal state.
  • The interaction between these two streams of tactile information remains poorly understood.
  • Understanding this interaction is crucial for comprehending body awareness and sensory processing.

Purpose of the Study:

  • To present an analytic model detailing the interaction between tactile information and mental body representations.
  • To elucidate the neural mechanisms underlying the integration of external and internal tactile cues.
  • To provide a framework for future research on somatosensory processing and body perception.

Main Methods:

  • Development of a theoretical analytic model.
  • Description of four specific interaction pathways.
  • Integration of concepts from neuroscience and cognitive psychology.

Main Results:

  • The model outlines the link between the body surface and primary somatosensory cortex maps.
  • It details the contribution of somatosensory cortex information to mental body representations.
  • The model describes feedback pathways and the modulation of tactile perception by body representations.

Conclusions:

  • Tactile information processing involves a dynamic interplay between external stimuli and internal body models.
  • This interaction is fundamental to how we perceive objects and our own bodies.
  • The proposed model offers a novel framework for understanding somatosensory integration and body representation.