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

Noise-enhanced neuronal reliability.

S Tanabe1, K Pakdaman

  • 1Department of Systems and Human Science, School of Engineering Science, Osaka University, Toyonaka 560-8531 Osaka, Japan.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|November 3, 2001
PubMed
Summary
This summary is machine-generated.

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

Evolution of aging: individual life history trade-offs and population heterogeneity account for mortality patterns across species.

Journal of evolutionary biology·2014
Same author

A note on convergence under dynamical thresholds with delays.

IEEE transactions on neural networks·2008
Same author

Asymptotic behavior of irreducible excitatory networks of analog graded-response neurons.

IEEE transactions on neural networks·2008
Same author

Comparison of nonmetal and metal hydrophilic photosensitizer, ATX-S10 (Na) and ATN-2, binding with human serum proteins using spectrophotometry.

Photochemistry and photobiology·2004
Same author

Organochlorine pesticides and polychlorinated biphenyls in California sea lions.

Environmental pollution (Barking, Essex : 1987)·2004
Same author

Widespread contamination by tris(4-chlorophenyl)methane and tris(4-chlorophenyl)methanol in cetaceans from the North Pacific and Asian coastal waters.

Environmental pollution (Barking, Essex : 1987)·2004
Same journal

Tension on dsDNA bound to ssDNA-RecA filaments may play an important role in driving efficient and accurate homology recognition and strand exchange.

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Amplitude-phase coupling drives chimera states in globally coupled laser networks [Phys. Rev. E 91, 040901(R) (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Erratum: Shapes of sedimenting soft elastic capsules in a viscous fluid [Phys. Rev. E 92, 033003 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Erratum: Attenuation of excitation decay rate due to collective effect [Phys. Rev. E 90, 022142 (2014)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Role of connectivity and fluctuations in the nucleation of calcium waves in cardiac cells [Phys. Rev. E 92, 052715 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Lattice Boltzmann approach for complex nonequilibrium flows [Phys. Rev. E 92, 043308 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
See all related articles

Noise can improve the reliability of firing times in computational neuron models. This study explores how noise intensity affects this effect based on input signal characteristics.

Area of Science:

  • Computational neuroscience
  • Theoretical neuroscience
  • Mathematical biology

Background:

  • Hodgkin-Huxley neuron models are fundamental for understanding neuronal electrical activity.
  • Reliability of action potential timing is crucial for neural information processing.
  • The role of noise in biological systems is complex and context-dependent.

Purpose of the Study:

  • To investigate the impact of noise on discharge time reliability in Hodgkin-Huxley neuron models.
  • To analyze how different input characteristics (periodic and aperiodic) influence the optimal noise level.
  • To provide insights into noise-enhanced excitability in neural systems.

Main Methods:

  • Utilized the Fokker-Planck equation to model an elementary excitable system.

Related Experiment Videos

  • Analyzed the Hodgkin-Huxley neuron model under weak periodic and aperiodic stimulation.
  • Derived and discussed the dependence of optimal noise intensity on input parameters.

    • Main Results:

    • Demonstrated that noise can significantly enhance the reliability of discharge times.
    • Identified a relationship between optimal noise intensity and the properties of the input signals.
    • Showcased noise-induced coherence and improved signal fidelity in the neuron model.

    Conclusions:

    • Noise is not always detrimental and can be beneficial for neural function.
    • The optimal level of noise for enhancing reliability is dependent on the nature of the stimulus.
    • Findings contribute to understanding noise-mediated information processing in the brain.