Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Self-organized queuing and scale-free behavior in real escape panic.

Caesar Saloma1, Gay Jane Perez, Giovanni Tapang

  • 1National Institute of Physics and National Institute of Molecular Biology and Biotechnology, University of the Philippines, Diliman, Quezon City, Philippines 1101. csaloma@nip.upd.edu.ph

Proceedings of the National Academy of Sciences of the United States of America
|October 2, 2003
PubMed
Summary

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Medicines, Diseases, Indications, and Contraindications (MeDIC): a foundational resource to support drug repurposing.

Nucleic acids research·2025
Same author

Integrating external beam and prostate seed implant dosimetry for intermediate and high-risk prostate cancer using biologically effective dose: Impact of image registration technique.

Brachytherapy·2022
Same author

Determination of Cloud-top Height through Three-dimensional Cloud Reconstruction using DIWATA-1 Data.

Scientific reports·2020
Same author

Nanoparticle-protein corona complexes govern the biological fates and functions of nanoparticles.

Journal of materials chemistry. B·2020
Same author

Synthesis of Light-Responsive Pyrene-Based Polymer Nanoparticles via Polymerization-Induced Self-Assembly.

Macromolecular rapid communications·2018
Same author

Biologically Targeted Magnetic Hyperthermia: Potential and Limitations.

Frontiers in pharmacology·2018

Researchers observed mouse escape behavior, finding that critical sampling rates reveal predicted panic dynamics like arch formation and queuing, even in short observations. These findings bridge numerical models and real-world escape scenarios.

Area of Science:

  • Collective dynamics
  • Animal behavior
  • Statistical physics

Background:

  • Numerical simulations of pedestrian escape panic predict phenomena like arch formation and self-organized queuing.
  • Experimental verification of these predictions in real systems is challenging due to practical difficulties.

Purpose of the Study:

  • To experimentally verify predicted escape panic dynamics using a real system (mice escaping a water pool).
  • To investigate the influence of sampling rate and exit width on escape behavior.
  • To explore the impact of real-world constraints on escape dynamics.

Main Methods:

  • Observing mice escaping from a water pool through an exit.
  • Analyzing escape behavior for features like burst sizes and distributions.

Related Experiment Videos

  • Varying the exit width and sampling rate to study their effects.
  • Considering constraints such as occupancy rate and nonrigidity.

    • Main Results:

    • Escape behavior exhibited predicted features (e.g., bursts, specific distributions) at a critical sampling rate, even with short observation times.
    • Escape burst size distributions followed exponential and truncated power-law patterns, dependent on exit width.
    • Deviations from the critical sampling rate (oversampling or undersampling) hindered the observation of predicted dynamics.

    Conclusions:

    • Mouse escape dynamics can validate numerical predictions of panic behavior under specific conditions.
    • Sampling rate and exit width are critical parameters influencing the manifestation of collective escape phenomena.
    • Real-world constraints may significantly alter escape panic dynamics, necessitating further study.