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Recollection reduces unitised familiarity effect.

Hanyu Shao1,2, Bertram Opitz3, Jiongjiong Yang4

  • 1a Center for Cognition and Brain Disorders , Hangzhou Normal University , Hangzhou , China.

Memory (Hove, England)
|March 21, 2015
PubMed
Summary
This summary is machine-generated.

Unitisation benefits familiarity-based associative recognition, but this effect disappears when strong recollection is readily available. Different encoding tasks (compound vs. interactive imagery) influence this memory phenomenon.

Keywords:
Associative recognitionFamiliarityRecollectionUnitisationUnitised familiarity

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Memory Research

Background:

  • The unitisation effect, enhancing familiarity-based associative recognition, has been studied using compound and interactive imagery tasks.
  • These tasks may differentially influence subsequent recollection-based associative recognition, impacting the unitisation effect.

Purpose of the Study:

  • To investigate how compound and interactive imagery tasks differentially engage recollection-based associative recognition.
  • To determine if these encoding tasks can modulate the unitised familiarity effect in associative recognition.

Main Methods:

  • Participants studied word pairs using either a compound task (unrelated words as compounds) or an interactive imagery task (words as interactive images).
  • An associative recognition task, coupled with the Remember/Know procedure, assessed both familiarity-based and recollection-based associative recognition.

Main Results:

  • The unitised familiarity effect was observed in the compound task but was absent in the interactive imagery task.
  • The interactive imagery task showed a significant increase in recollection-based associative recognition compared to the compound task.

Conclusions:

  • Unitisation can enhance familiarity-based associative recognition, but this benefit is diminished when memory retrieval relies on strong recollection.
  • The findings suggest that the encoding strategy critically influences the interplay between familiarity and recollection in associative memory.