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Single-Molecule Diffusion and Assembly on Polymer-Crowded Lipid Membranes
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Drawing power of virtual crowds.

Elham Mohammadi Jorjafki1, Brad J Sagarin2, Sachit Butail3

  • 1Department of Mechanical Engineering, Northern Illinois University, DeKalb, IL 60115, USA.

Journal of the Royal Society, Interface
|August 17, 2018
PubMed
Summary

Behavioral contagion, the tendency to mimic others, was reproduced in a virtual reality experiment. The study found that virtual crowds exhibit similar gaze-following behaviors as real-world crowds.

Keywords:
behavioural contagioncrowd behaviourvirtual reality

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Area of Science:

  • Social Psychology
  • Virtual Reality Studies
  • Human Behavior Analysis

Background:

  • Milgram's 1969 experiment demonstrated behavioral contagion through spontaneous gaze following in real-world crowds.
  • Behavioral contagion is crucial for information transfer in social organisms.
  • The application of virtual reality (VR) necessitates verification of behavioral contagion in virtual environments.

Purpose of the Study:

  • To investigate if behavioral contagion occurs in walkable virtual environments.
  • To compare virtual crowd behavior with real-world experimental results.
  • To adapt Milgram's experiment for VR to reproduce behavioral contagion.

Main Methods:

  • A virtual indoor environment was created.
  • Two pedestrian motion models were combined to simulate 60 interactive virtual characters.
  • A stimulus group of virtual characters looked up at random intervals to elicit participant response.

Main Results:

  • Participant gaze following probability increased with stimulus group size, reaching near certainty with three or more characters.
  • Survey responses indicated participants were less likely to look up with smaller stimulus groups, despite observing the behavior.
  • Larger stimulus groups led to participants spending more time looking up and exhibiting more frequent head turns.

Conclusions:

  • Behavioral contagion can be effectively triggered and studied within virtual environments.
  • Virtual reality offers a viable platform for testing hypotheses on human behavior in crowd scenarios.
  • Findings suggest virtual crowd simulations can accurately model real-world social dynamics.