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Remembering actions without proprioception.

Elena Daprati1, Angela Sirigu2, Daniele Nico3

  • 1Dipartimento di Medicina dei Sistemi & CBMS, Università di Roma Tor Vergata, Roma, Italy.

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|December 22, 2018
PubMed
Summary
This summary is machine-generated.

Enacting actions creates strong memory markers, even without bodily sensations. This suggests intention and visual feedback, not just physical feeling, drive agency and memory for self-performed actions.

Keywords:
Action memoryEnactment effectIntentionalityProprioceptionSense of agency

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Area of Science:

  • Cognitive Neuroscience
  • Psychology of Memory
  • Motor Control

Background:

  • Sense of agency (SA) theories emphasize sensorimotor cues for action awareness.
  • Enactment is proposed to create durable episodic memory markers for enhanced recall.

Purpose of the Study:

  • To investigate the impact of enactment on action memory.
  • To examine if somatosensory feedback is essential for the enactment memory benefit.

Main Methods:

  • Compared action memory performance in a patient with complete sensory loss (GL) and neurologically intact controls.
  • Assessed memory for enacted versus observed actions.

Main Results:

  • A memory advantage for enacted actions was observed in both the control group and the sensory deafferented patient (GL).
  • This indicates robust action memory is achievable without somatosensory reafferences.

Conclusions:

  • Neural processes from intention to move and visual feedback generate lasting agency signals crucial for self-performed action memory.
  • Proprioceptive cues are vital for immediate SA but not necessarily for long-term action representations.