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Updated: Jun 21, 2025

Examining Recall Memory in Infancy and Early Childhood Using the Elicited Imitation Paradigm
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Do actions structure auditory memory? Action-based event segmentation effects on sensory responses, pupil dilation

Marta Font-Alaminos1,2, Nadia Paraskevoudi1,2, Jordi Costa-Faidella1,2,3

  • 1Brainlab-Cognitive Neuroscience Research Group, Departament de Psicologia Clinica i Psicobiologia, Universitat de Barcelona, Barcelona, Spain.

Psychophysiology
|July 12, 2024
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Summary
This summary is machine-generated.

Actions influence sensory processing and pupil responses, but do not directly enhance memory encoding of self-generated sounds. Introducing actions creates a stronger contextual shift than removing them, impacting event perception.

Keywords:
EEGboundariespupillometryself‐generationtemporal order memory

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Area of Science:

  • Cognitive Neuroscience
  • Neurophysiology
  • Experimental Psychology

Background:

  • Our daily experiences are shaped by our actions and interactions with the environment.
  • Performing actions to generate stimuli elicits neurophysiological responses, influencing sensory perception and memory.

Purpose of the Study:

  • To investigate how self-generated actions influence sensory processing, pupil responses, and memory encoding.
  • To determine if actions parse experiences into distinct events, thereby improving memory recall.

Main Methods:

  • Participants encoded sound sequences with self- and externally-generated sounds.
  • Electrophysiological and pupil responses were recorded during sound encoding.
  • Memory recall for sound sequences within and across self-generated events was tested.

Main Results:

  • Self-generated sounds showed attenuated electrophysiological responses during encoding.
  • Action execution led to increased pupil dilation.
  • Memory performance was not significantly different for sounds within the same event compared to across events.
  • Physiological responses at event boundaries were influenced by the direction of the sound source switch.

Conclusions:

  • Actions modulate sensory and pupil responses, creating distinct contextual shifts, but do not directly improve memory encoding of self-generated sounds.
  • The study challenges the idea that low-level neurophysiological mechanisms of action execution significantly modulate the self-generation effect on memory.