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Enhanced spatial navigation skills in sequence-space synesthetes.

Eline van Petersen1, Mareike Altgassen2, Rob van Lier1

  • 1Radboud University, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, the Netherlands.

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|July 9, 2020
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Summary
This summary is machine-generated.

Individuals with sequence-space synesthesia (SSS) show improved spatial navigation skills, performing better in virtual maze tasks. This suggests enhanced visuospatial abilities contribute to their navigational advantages.

Keywords:
Cognitive benefitsSequence-space synesthesiaSpatial navigationVirtual Morris Water Maze task

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Area of Science:

  • Cognitive Neuroscience
  • Psychology
  • Neuroscience

Background:

  • Sequence-space synesthesia (SSS) involves perceiving ordered sequences (e.g., months, numbers) in specific spatial layouts.
  • Previous research links SSS to cognitive benefits like improved mental rotation, visual imagery, and general spatial processing.
  • The current study investigates whether these enhanced visuospatial skills translate to superior spatial navigation abilities.

Purpose of the Study:

  • To examine the spatial navigation performance of individuals with sequence-space synesthesia (SSS).
  • To determine if SSS is associated with enhanced performance in virtual spatial navigation tasks.
  • To explore the relationship between specific synesthetic features and navigational abilities.

Main Methods:

  • Participants with SSS were identified using questionnaires, consistency tests, and drawing tasks.
  • Spatial navigation was assessed using a virtual Morris Water Maze (MWM) task.
  • The MWM included allocentric (object-based) and egocentric (self-based) navigation conditions.

Main Results:

  • Synesthetes demonstrated significantly faster completion times in both allocentric and egocentric virtual navigation tasks compared to controls.
  • The performance advantage for synesthetes was observed in the time taken to locate the platform, not in the path length.
  • Exploratory analyses revealed no significant correlation between specific synesthetic features and navigation task performance.

Conclusions:

  • Individuals with sequence-space synesthesia exhibit enhanced spatial navigation skills, particularly in tasks mirroring real-world scenarios.
  • The findings support the hypothesis that superior visuospatial abilities in SSS contribute to improved navigation.
  • This research expands the understanding of cognitive benefits associated with SSS and its implications for spatial processing.