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

Convergent Evolution01:54

Convergent Evolution

Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.The structures that arise from convergent evolution are called analogous structures. They are similar in function even if they are dissimilar in structure. Further, structures can be analogous while also...
The Cochlea01:13

The Cochlea

The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
Spin–Spin Coupling: Two-Bond Coupling (Geminal Coupling)01:20

Spin–Spin Coupling: Two-Bond Coupling (Geminal Coupling)

Two NMR-active nuclei bonded to a central atom can be involved in geminal or two-bond coupling. Geminal coupling is commonly seen between diastereotopic protons in chiral molecules and unsymmetrical alkenes, among others.
The central atom need not be NMR-active because its electrons are affected by the electron polarization of the spin-active atoms. However, spin information is transmitted less effectively than in one-bond coupling, and 2J values are usually weaker than 1J values. The energy of...
Spin–Spin Coupling: Three-Bond Coupling (Vicinal Coupling)01:22

Spin–Spin Coupling: Three-Bond Coupling (Vicinal Coupling)

Vicinal or three-bond coupling is commonly observed between protons attached to adjacent carbons. Here, nuclear spin information is primarily transferred via electron spin interactions between adjacent C‑H bond orbitals. This generally favors the antiparallel arrangement of spins, so 3J values are usually positive.
The extent of coupling depends on the C‑C bond length, the two H‑C‑C angles, any electron-withdrawing substituents, and the dihedral angle between the involved orbitals. The...
Sound Waves: Resonance01:14

Sound Waves: Resonance

Resonance is produced depending on the boundary conditions imposed on a wave. Resonance can be produced in a string under tension with symmetrical boundary conditions (i.e., has a node at each end). A node is defined as a fixed point where the string does not move. The symmetrical boundary conditions result in some frequencies resonating and producing standing waves, while other frequencies interfere destructively. Sound waves can resonate in a hollow tube, and the frequencies of the sound...
Resonance and Hybrid Structures02:16

Resonance and Hybrid Structures

According to the theory of resonance, if two or more Lewis structures with the same arrangement of atoms can be written for a molecule, ion, or radical, the actual distribution of electrons is an average of that shown by the various Lewis structures.
Resonance Structures and Resonance Hybrids
The Lewis structure of a nitrite anion (NO2−) may actually be drawn in two different ways, distinguished by the locations of the N–O and N=O bonds.

You might also read

Related Articles

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

Sort by
Same author

Population Dynamics in Songbird RA and HVC During Learned Motor-Vocal Behavior.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same author

Water-like timbral quality in birdsong arises from complex motor control of two sound sources.

Current biology : CB·2025
Same author

Transitions and tricks: nonlinear phenomena in the avian voice.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2025
Same author

Expectation-driven sensory adaptations support enhanced acuity during categorical perception.

Nature neuroscience·2025
Same author

Guiding Brain-to-Vocalization Decoder Design Using Structured Generalization Error.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2025
Same author

Song-like activation of syringeal and respiratory muscles during sleep in canaries.

Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology·2024
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

Related Experiment Video

Updated: Jun 21, 2026

A Lightweight, Headphones-based System for Manipulating Auditory Feedback in Songbirds
10:13

A Lightweight, Headphones-based System for Manipulating Auditory Feedback in Songbirds

Published on: November 26, 2012

Source-tract coupling in birdsong production.

Ezequiel M Arneodo1, Gabriel B Mindlin

  • 1Department of Physics, FCEyN, UBA, Ciudad Universitaria, Pab I, Código Postal 1428, Buenos Aires, Argentina.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|August 8, 2009
PubMed
Summary
This summary is machine-generated.

This study models birdsong vocalization dynamics. We found that hysteresis in the sound source and vocal tract interaction can explain frequency jumps observed in birdsong.

More Related Videos

Functional Magnetic Resonance Imaging (fMRI) with Auditory Stimulation in Songbirds
13:05

Functional Magnetic Resonance Imaging (fMRI) with Auditory Stimulation in Songbirds

Published on: June 3, 2013

Selective Tracing of Auditory Fibers in the Avian Embryonic Vestibulocochlear Nerve
11:27

Selective Tracing of Auditory Fibers in the Avian Embryonic Vestibulocochlear Nerve

Published on: March 18, 2013

Related Experiment Videos

Last Updated: Jun 21, 2026

A Lightweight, Headphones-based System for Manipulating Auditory Feedback in Songbirds
10:13

A Lightweight, Headphones-based System for Manipulating Auditory Feedback in Songbirds

Published on: November 26, 2012

Functional Magnetic Resonance Imaging (fMRI) with Auditory Stimulation in Songbirds
13:05

Functional Magnetic Resonance Imaging (fMRI) with Auditory Stimulation in Songbirds

Published on: June 3, 2013

Selective Tracing of Auditory Fibers in the Avian Embryonic Vestibulocochlear Nerve
11:27

Selective Tracing of Auditory Fibers in the Avian Embryonic Vestibulocochlear Nerve

Published on: March 18, 2013

Area of Science:

  • Bioacoustics
  • Nonlinear Dynamics
  • Mathematical Biology

Background:

  • Birdsong production involves complex nonlinear dynamics.
  • The interaction between the sound source and vocal tract in birdsong is not fully understood.
  • Peripheral physical mechanisms are key to generating complex sounds.

Purpose of the Study:

  • To investigate the dynamics of sound production in birdsong.
  • To model the interaction between a sound source and a vocal tract using a delay differential equation.
  • To explain phenomena like frequency jumps in birdsong.

Main Methods:

  • Studied a highly dissipative limit of a sound source-tract model.
  • Employed numerical exploration of the system.
  • Reduced the problem to a phase equation to analyze periodic solutions.

Main Results:

  • Observed coexistence of periodic limit cycles near specific parameter values.
  • Identified a hysteresis phenomenon in the system's dynamics.
  • The model successfully reproduces the conditions for frequency jumps.

Conclusions:

  • Hysteresis in the nonlinear vocal system is a key mechanism for frequency jumps in birdsong.
  • The delay differential equation model provides insights into birdsong complexity.
  • This work advances the understanding of peripheral physical mechanisms in vocalization.