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February 11, 2026Imaging NeuroscienceOpen Access

Cardiac phase modulates behavior and response related lateralization in visual spatial conflicts during change detection.

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Authors

LHLeon von HaugwitzEWEdmund WascherMLMauro F. Larra

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Overview

Findings show cardiac phase alters change detection in a sample group, suggesting bodily signals influence perception.

Key Points

  • Examine how cardiac phase impacts behavior and perceptual processing during visual spatial conflicts.
  • Conducted a change detection task synchronized with the cardiac cycle.
  • Exposed participants to repeated cold pressor tests or warm water control conditions.
  • Measured errors and misses using EEG to analyze lateralization effects.
  • Systolic onsets increased errors in spatial-conflict tasks and biases toward distractors.
  • Participants missed more isolated luminance changes during specific cardiac phases.
  • Individual differences in heart rate responses predicted the magnitude of phase effects.

Cite This Study

Haugwitz et al. (2026) studied this question.

synapsesocial.com/papers/698c1d1d267fb587c655fa8ahttps://doi.org/10.1162/imag.a.1150
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