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The missing link? Testing a schema account of unitization.

Roni Tibon1, Andrea Greve2, Richard Henson2

  • 1MRC Cognition and Brain Sciences Unit, University of Cambridge, 5 Chaucer Road, Cambridge, CB2 7EF, UK. roni.tibon@mrc-cbu.cam.ac.uk.

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Summary
This summary is machine-generated.

Unitization, the creation of new units from distinct items, does not generalize like schemas. Memory for associated words did not improve when related words were tested, challenging the schema account of unitization.

Keywords:
FamiliarityRecognitionRecollectionSchemaUnitization

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Area of Science:

  • Cognitive Psychology
  • Neuroscience

Background:

  • Unitization explains memory for novel pairings via new representations.
  • An alternative schema account suggests associations assimilate into schemas.

Purpose of the Study:

  • To test the schema account of unitization.
  • To investigate if unitized associations generalize to new, related information.

Main Methods:

  • Participants studied word pairs linked by definitions (unitization) or sentences.
  • During relearning, studied words were re-paired with related or unrelated words.
  • Memory for relearned associations was tested.

Main Results:

  • No difference in memory between definition and sentence conditions for related words.
  • Generalization effects were not observed, even with multiple associates or re-activation of schematic information.
  • Evidence favored the null hypothesis, indicating no schema-like generalization.

Conclusions:

  • Unitized associations do not generalize to accommodate new information.
  • Results provide evidence against the schema account of unitization.
  • Memory retrieval for unitized items may rely on specific representations rather than schematic assimilation.