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Related Concept Videos

Major Somatic Sensory Pathways01:28

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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...
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Related Experiment Video

Updated: Jun 8, 2025

Virtual Hand with Ambiguous Movement between the Self and Other Origin: Sense of Ownership and 'Other-Produced' Agency
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Self-Awareness from Whole-Body Movements.

Akila Kadambi1,2, Gennady Erlikhman3, Micah Johnson3

  • 1Department of Psychology, University of California Los Angeles, Los Angeles, California 90095 akadambi@ucla.edu.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
|November 4, 2024
PubMed
Summary
This summary is machine-generated.

Self-action recognition relies on motor familiarity within the brain. Motor and visual brain regions interact to create self-awareness from body movements.

Keywords:
actionsmotorneuroimagingself-awareness

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Motor Control

Background:

  • Humans can identify their own body movements from sparse visual cues.
  • The role of nonvisual mechanisms in self-action recognition has been debated due to limited visual self-experience.

Purpose of the Study:

  • To identify the specific neural systems involved in self-action recognition.
  • To investigate how the brain distinguishes self-generated from other-generated actions.

Main Methods:

  • Utilized general linear modeling and multivariate analyses on human brain imaging data.
  • Employed multiple regression representational similarity analysis to isolate neural encoding of self-identity.
  • Examined functional connectivity in motor and visual brain regions.

Main Results:

  • Cortical motor areas (frontoparietal, somatomotor) showed increased engagement and connectivity for self-actions.
  • These motor regions encoded self-identity based on motor familiarity, independent of visual cues.
  • Visual occipitotemporal regions encoded unfamiliar individuals, showing a reverse pattern.

Conclusions:

  • Self-awareness derived from actions arises from the integration of motor and visual processing.
  • Motor familiarity plays a crucial role in recognizing one's own movements.