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Digitale Medien

The nature of the coupling between segmental oscillators of the lamprey spinal generator for locomotion: A mathematical model (1982)

Cohen, Avis H. ; Holmes, Philip J. ; Rand, Richard H.

Springer

Journal of mathematical biology 13 (1982), S. 345-369

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Details

ISSN: 1432-1416

Schlagwort(e): Locomotion ; Pattern generator ; Dynamical systems ; Oscillators

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Mathematik

Notizen: Abstract We present a theoretical model which is used to explain the intersegmental coordination of the neural networks responsible for generating locomotion in the isolated spinal cord of lamprey. A simplified mathematical model of a limit cycle oscillator is presented which consists of only a single dependent variable, the phase θ(t). By coupling N such oscillators together we are able to generate stable phase locked motions which correspond to traveling waves in the spinal cord, thus simulating “fictive swimming”. We are also able to generate irregular “drifting” motions which are compared to the experimental data obtained from cords with selective surgical lesions.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00276069

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