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Olfactory Context Dependent Memory: Direct Presentation of Odorants
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Object memory is multisensory: Task-irrelevant sounds improve recollection.

Shea E Duarte1,2, Simona Ghetti3,4, Joy J Geng3,4

  • 1Center for Mind and Brain, University of California, Davis, 267 Cousteau Pl, Davis, CA, 95616, USA. seduarte@ucdavis.edu.

Psychonomic Bulletin & Review
|September 28, 2022
PubMed
Summary
This summary is machine-generated.

Task-irrelevant sounds congruent with objects enhance visual memory. This research shows congruent sounds improve recollection of details, not just familiarity, leading to richer multisensory memories.

Keywords:
AudiovisualDual-process modelsMultisensoryRecognition memory

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Sensory Memory

Background:

  • Task-irrelevant sounds can influence visual memory, particularly when semantically congruent with objects.
  • Previous research used binary old/new memory tests, limiting understanding of memory components like recollection versus familiarity.

Purpose of the Study:

  • To investigate if task-irrelevant, semantically congruent sounds enhance recollection-based visual recognition memory.
  • To determine if congruent sounds promote richer memory representations and multisensory memory formation.

Main Methods:

  • Three experiments were conducted using object encoding with task-irrelevant sounds (congruent vs. incongruent).
  • Memory confidence was assessed (Experiment 1).
  • Recognition memory was differentiated into recollection and familiarity components (Experiment 2), and memory for audiovisual congruency was tested (Experiment 3).

Main Results:

  • Participants showed increased memory confidence for items encoded with congruent sounds.
  • Congruent object-sound pairings specifically enhanced recollection, not familiarity-based recognition.
  • Memory accuracy for audiovisual congruency at encoding was improved.

Conclusions:

  • Task-irrelevant congruent sounds facilitate the formation of multisensory memories.
  • These multisensory memories lead to enhanced recollection-based retention of visual information.
  • Findings support the importance of multisensory integration in naturalistic memory formation.