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Related Experiment Video

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The Crossmodal Congruency Task as a Means to Obtain an Objective Behavioral Measure in the Rubber Hand Illusion Paradigm
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Reward interacts with modality shift to reduce cross-modal conflict.

Guanlan Kang1, Lihui Wang2, Xiaolin Zhou3

  • 1Center for Brain and Cognitive Sciences, Beijing, ChinaSchool of Psychological and Cognitive Sciences, Beijing, Chinakangguanlan_33@163.com.

Journal of Vision
|January 24, 2017
PubMed
Summary

Reward enhances cross-modal conflict resolution by reducing interference between visual and auditory stimuli. This effect depends on attention shifts and preparatory timing between cues and targets.

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Area of Science:

  • Cognitive Neuroscience
  • Psychology

Background:

  • Previous research indicates reward enhances cognitive control in visual processing.
  • Understanding reward's influence on cross-modal conflict resolution is crucial for cognitive science.

Purpose of the Study:

  • To investigate how reward impacts cross-modal conflict control.
  • To examine the role of attentional shifts across modalities in modulating reward effects on conflict resolution.

Main Methods:

  • Four experiments used reward cues (reward vs. no reward) preceding visual or auditory targets with cross-modal distractors.
  • Stimuli were either congruent or incongruent, measuring response times to assess interference.
  • Cue modality varied (constant, blocked, or trial-by-trial) with different stimulus onset asynchronies (SOAs).

Main Results:

  • Reward cues consistently reduced cross-modal conflict when cue modality was predictable.
  • When cue modality changed unpredictably, reward benefits were observed only with cross-modal cues and long SOAs.
  • Reward's effectiveness in reducing conflict was modulated by attentional preparation and timing.

Conclusions:

  • Reward effectively facilitates cross-modal conflict resolution.
  • The impact of reward on conflict resolution is contingent upon attentional preparation and stimulus timing, particularly in dynamic cueing environments.