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 Concept Videos

State Space Representation01:27

State Space Representation

The frequency-domain technique, commonly used in analyzing and designing feedback control systems, is effective for linear, time-invariant systems. However, it falls short when dealing with nonlinear, time-varying, and multiple-input multiple-output systems. The time-domain or state-space approach addresses these limitations by utilizing state variables to construct simultaneous, first-order differential equations, known as state equations, for an nth-order system.
Consider an RLC circuit, a...
Nonconscious Mimicry01:13

Nonconscious Mimicry

Nonconscious mimicry occurs when individuals alter their mannerisms to match the behaviors and expressions of those nearby, without intention.
Cell Signaling Feedback Loops01:07

Cell Signaling Feedback Loops

Positive and negative feedback loops are crucial for regulating biological signaling systems. These feedback loops are processes that connect output signals to their inputs.
Negative feedback loops
Most signaling systems have negative feedback loops that can perform different functions such as output limiter, and adaptation.
Output limiter
Upon receiving an input signal, the cellular response rapidly increases until a threshold is reached. Beyond this threshold, a negative feedback loop...
Transient and Steady-state Response01:24

Transient and Steady-state Response

In control systems, test signals are essential for evaluating performance under various conditions. The ramp function is effective for systems undergoing gradual changes, while the step function is suitable for assessing systems facing sudden disturbances. For systems subjected to shock inputs, the impulse function is the most appropriate test signal.
These test signals are integral in designing control systems to exhibit two key performance aspects: transient response and steady-state response.
Propagation of Action Potentials01:23

Propagation of Action Potentials

The propagation of an action potential refers to the process by which a nerve impulse, or "action potential," travels along a neuron.
Neurons (nerve cells) have a resting membrane potential, with a slightly negative charge inside compared to outside. This is maintained by ion channels, such as sodium (Na+) and potassium (K+) channels, which control the flow of ions. When a stimulus, like a touch or a signal from another neuron, triggers the neuron, sodium channels open, allowing sodium ions to...
Effects of feedback01:24

Effects of feedback

Feedback in control systems plays a critical role in shaping various operational parameters, extending beyond simple error reduction to influence stability, bandwidth, gain, impedance, and sensitivity. Understanding these effects requires examining a basic feedback system characterized by defined input, output, error, and feedback signals.
Feedback significantly modifies the gain of a control system. The gain of a system without feedback is altered by a factor of one plus GH, where G represents...

You might also read

Related Articles

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

Sort by
Same author

Mean-Field Approach to Finite-Size Fluctuations in the Kuramoto-Sakaguchi Model.

Physical review letters·2026
Same author

Inverse problems for dynamic patterns in coupled oscillator networks: when larger networks are simpler.

Nature communications·2026
Same author

Calcium-based synaptic and structural plasticity link pathological activity to synaptic reorganization in Parkinson's disease.

Science advances·2025
Same author

Electrical Coordinated Reset stimulation induces network desynchronization in an in vivo model of status epilepticus.

Epilepsy & behavior : E&B·2025
Same author

Activity patterns in ring networks of quadratic integrate-and-fire neurons with synaptic and gap junction coupling.

Physical review. E·2024
Same author

Phase reduction explains chimera shape: When multibody interaction matters.

Physical review. E·2024

Related Experiment Video

Updated: Jun 5, 2026

Automated Multimodal Stimulation and Simultaneous Neuronal Recording from Multiple Small Organisms
08:28

Automated Multimodal Stimulation and Simultaneous Neuronal Recording from Multiple Small Organisms

Published on: March 3, 2023

Chimera states induced by spatially modulated delayed feedback.

Oleh E Omel'chenko1, Yuri L Maistrenko, Peter A Tass

  • 1Weierstrass Institute for Applied Analysis and Stochastics, Berlin, Germany.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|January 15, 2011
PubMed
Summary

Spatially modulated delayed feedback generates chimera states, linking coherent and incoherent dynamics. This study provides a dynamical description and stability analysis for controlling these complex spatiotemporal patterns.

More Related Videos

State-Dependency Effects on TMS: A Look at Motive Phosphene Behavior
12:38

State-Dependency Effects on TMS: A Look at Motive Phosphene Behavior

Published on: December 28, 2010

Patterned Photostimulation with Digital Micromirror Devices to Investigate Dendritic Integration Across Branch Points
09:30

Patterned Photostimulation with Digital Micromirror Devices to Investigate Dendritic Integration Across Branch Points

Published on: March 2, 2011

Related Experiment Videos

Last Updated: Jun 5, 2026

Automated Multimodal Stimulation and Simultaneous Neuronal Recording from Multiple Small Organisms
08:28

Automated Multimodal Stimulation and Simultaneous Neuronal Recording from Multiple Small Organisms

Published on: March 3, 2023

State-Dependency Effects on TMS: A Look at Motive Phosphene Behavior
12:38

State-Dependency Effects on TMS: A Look at Motive Phosphene Behavior

Published on: December 28, 2010

Patterned Photostimulation with Digital Micromirror Devices to Investigate Dendritic Integration Across Branch Points
09:30

Patterned Photostimulation with Digital Micromirror Devices to Investigate Dendritic Integration Across Branch Points

Published on: March 2, 2011

Area of Science:

  • Nonlinear dynamics
  • Complex systems
  • Network science

Background:

  • Chimera states are unique spatiotemporal patterns where coherence and incoherence coexist.
  • Previously, these states were primarily studied using numerical analysis.
  • Chimera states bridge the gap between fully coherent and fully incoherent system behaviors.

Purpose of the Study:

  • To provide a thorough dynamical description and stability analysis of chimera states.
  • To establish a link between delayed feedback parameters and chimera state properties.
  • To develop rules for controlling and manipulating chimera states.

Main Methods:

  • Application of a recently developed reduction procedure.
  • Combination of analytical and numerical approaches.
  • Self-consistency-based numerical analysis (as a basis for comparison).

Main Results:

  • Systematic description of the relationship between delayed feedback parameters and chimera state characteristics.
  • Identification of general rules for effective control and manipulation of chimera states.
  • Detailed dynamical and stability analysis of chimera states.

Conclusions:

  • Delayed feedback is a robust mechanism for generating controllable chimera states.
  • The study offers a comprehensive framework for understanding and manipulating chimera states.
  • This research advances the control of complex spatiotemporal dynamics in nonlinear systems.