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Spatial memory under emotion: Effects across encoding, maintenance and retrieval.

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Summary
This summary is machine-generated.

Emotions impact spatial memory differently based on when they occur and the reference frame used (egocentric vs. allocentric). This study reveals a dynamic, stage-dependent model of emotion-spatial memory interactions.

Keywords:
allocentricegocentricemotionencodingmaintenanceretrievalspatial memory

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Area of Science:

  • Cognitive Neuroscience
  • Affective Science

Background:

  • Emotions significantly influence memory, but their effect on spatial memory is complex and context-dependent.
  • Existing models often overlook the nuanced interplay between emotional valence, memory phases, and spatial reference frames.

Purpose of the Study:

  • To investigate how emotional valence affects spatial memory across different phases (encoding, maintenance, retrieval).
  • To examine the differential impact of emotional valence on egocentric (body-centered) versus allocentric (environment-based) spatial representations.
  • To propose a stage-dependent model reconciling inconsistent findings in emotion-spatial memory research.

Main Methods:

  • Three experiments manipulated the timing of emotional stimuli during spatial memory tasks.
  • Participants performed tasks assessing egocentric and allocentric spatial memory.
  • Individual differences in mood, interoception, and alexithymia were assessed.

Main Results:

  • Negative emotions impaired egocentric encoding; positive emotions reduced allocentric encoding.
  • Both emotional valences disrupted spatial performance during maintenance, suggesting cognitive control interference.
  • Allocentric judgments were specifically affected during retrieval.
  • Individual traits correlated more with egocentric than allocentric performance.

Conclusions:

  • Emotional stimuli dynamically interact with spatial representations in a stage-dependent manner.
  • This framework reconciles conflicting findings and advances the understanding of how affective states influence spatial behaviors.
  • The findings highlight the importance of considering memory phase and reference frame in emotion-memory interactions.