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Related Experiment Video

Updated: Nov 8, 2025

A Conflict Model of Reward-seeking Behavior in Male Rats
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Rewards that are near increase impulsive action.

David A O'Connor1, Remi Janet1, Valentin Guigon1

  • 1Neuroeconomics, Reward and Decision-making Team, Institut des Sciences Cognitives Marc Jeannerod, Centre National de la Recherche Scientifique, 69675 Bron, France.

Iscience
|April 23, 2021
PubMed
Summary
This summary is machine-generated.

Impulsive behavior increases when rewards are perceived as spatially close. This virtual reality study shows proximity significantly impairs stopping actions toward rewards, impacting impulse control.

Keywords:
Behavioral NeuroscienceBiological SciencesNeuroscience

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Area of Science:

  • Cognitive Neuroscience
  • Behavioral Psychology
  • Virtual Reality Applications

Background:

  • Impulsive behavior is linked to addiction, gambling, and obesity.
  • Curbing the natural drive for immediate rewards is crucial in modern society.

Purpose of the Study:

  • To investigate if spatial proximity to rewards amplifies impulsive behavior.
  • To differentiate the effects of proximity on impulsive action versus impulsive choice.

Main Methods:

  • Utilized virtual reality (VR) to create an immersive environment.
  • Embedded two behavioral tasks measuring impulsive action and choice.
  • Presented 3D food reward cues in near and far virtual space.

Main Results:

  • Participants showed significantly reduced ability to inhibit motor actions when rewards were near versus far.
  • Bayesian analyses confirmed the statistical significance of proximity effects.
  • Controlled for confounding factors related to proximity.

Conclusions:

  • Spatial proximity to rewards distinctively enhances impulsive actions.
  • VR technology provides a controlled environment to study reward-driven impulsivity.
  • Findings suggest proximity is a key factor in understanding and potentially mitigating impulsive behaviors.