A test of the excitability-gradient hypothesis in the swimmeret system of crayfish

Journal of Neuroscience

Volumn 17, Issue 5, 1997, Pages 1860-1868

  Mulloney, Brian ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

coordination; excitability gradient; locomotion; motor control; pattern generation

Indexed keywords

CARBACHOL; CHOLINERGIC RECEPTOR STIMULATING AGENT; TETRODOTOXIN;

ANIMAL BEHAVIOR; ANIMAL EXPERIMENT; ARTICLE; CONTROLLED STUDY; CRAYFISH; EXCITABILITY; LOCOMOTION; MOTOR CONTROL; NONHUMAN; PRIORITY JOURNAL; SWIMMING;

EID: 0031051505     PISSN: 02706474     EISSN: None     Source Type: Journal    
DOI: 10.1523/jneurosci.17-05-01860.1997     Document Type: Article

References (39)

1. Acevedo LD, Hall WM, Mulloney B (1994) Proctolin and excitation of the crayfish swimmeret system. J Comp Neurol 345:612-627.
2. Barker DL, Herbert E, Hildebrand JG, Kravitz EA (1972) Acetylcholine and lobster sensory neurones. J Physiol (Lond) 226:205-229.
3. Braun G, Mulloney B (1993) Cholinergic modulation of the swimmeret system in crayfish. J Neurophysiol 70:2391-2398.
4. Braun G, Mulloney B (1995) Coordination in the crayfish swimmeret system: differential excitation causes changes in intersegmental phase J Neurophysiol 73:880-885.
5. Chrachri A, Neil DM (1993) Interaction and synchronization between two abdominal motor systems in crayfish. J Neurophysiol 69:1373-1383.
6. Cohen AH (1987a) Intersegmental coordinating system of the lamprey central pattern generator for locomotion. J Comp Physiol [A] 160:181-193.
7. Cohen AH (1987b) Effects of oscillator frequency on phase-locking in the lamprey central pattern generator. J Neurosci Methods 21:113-125.
8. Davis WJ (1968) The neuromuscular basis of lobster swimmeret beating. J Exp Zool 168:363-378.
9. Davis WJ (1969) Neural control of swimmeret beating in the lobster. J Exp Biol 50:99-117.
10. Friesen WO, Pearce RA (1993) Mechanisms of intersegmental coordination in leech locomotion. Semin Neurosci 5:41-47.
11. Grillner S, Matsushima T, Wadden T, Tegnér J, El Manira A, Wallén P (1993) The neurophysiological bases of undulatory locomotion in vertebrates. Semin Neurosci 5:17-28.
12. Hughes GM, Wiersma CAG (1960) The coordination of swimmeret movements in the crayfish, Procambarus clarkii. J Exp Biol 37:657-670.
13. Ikeda K, Wiersma CAG (1964) Autogenic rhythmicity in the abdominal ganglion of the crayfish: the control of swimmeret movements. Comp Biochem Physiol 12:107-115.
14. Killian KA, Page CH (1992) Mechanosensory afferents innervating the swimmerets of the lobster. II. Afferents activated by hair deflection. J Comp Physiol [A] 170:501-508.
15. Matsushima T, Grillner S (1992) Neural mechanisms of intersegmental coordination in lamprey: local excitability changes modify the phase coupling along the spinal cord. J Neurophysiol 67:373-388.
16. Mulloney B, Hall WM (1987) The PD programs: a method for the quantitative description of motor patterns. J Neurosci Methods 19:47-59.
17. Mulloney B, Acevedo LD, Bradbury AG (1987) Modulation of the crayfish swimmeret rhythm by octopamine and the neuropeptide proctolin J Neurophysiol 58:584-597.
18. Mulloney B, Acevedo LD, Chrachri A, Hall WM, Sherff CM (1990) A confederation of neural circuits: control of swimmeret movements by a modular system of pattern generators. In: Frontiers in crustacean neurobiology (Wiese K, Krenz WD, Tautz J, Reichert H, Mulloney B, eds), pp 439-447. Basel: Birkhauser Verlag.
19. Mulloney B, Murchison D, Chrachri A (1993) Modular organization of pattern-generating circuits in a segmental motor system: the swimmerets of crayfish. Semin Neurosci 5:49-57.
20. Murchison D, Chrachri A, Mulloney B (1993) A separate local pattern-generating circuit controls the movements of each swimmeret in crayfish. J Neurophysiol 70:2620-2631.
21. Paul DH, Mulloney B (1986) Intersegmental coordination of swimmeret rhythms in isolated nerve cords of crayfish. J Comp Physiol [A] 158:215-224.
22. Pearce RA, Friesen WO (1985) Intersegmental coordination of the leech swimming rhythm. I. Roles of cycle period gradient and coupling strength. J Neurophysiol 54:1444-1459.
23. Perkel DH, Mulloney B (1974) Motor pattern production in reciprocally inhibitory neurons exhibiting postinhibitory rebound. Science 185:181-183.
24. Sharp AA, Skinner FK, Marder E (1996) Mechanisms of oscillation in dynamic clamp constructed two-cell half-center circuits. J Neurophysiol 76:867-883.
25. Sherff CM, Mulloney B (1996) Tests of the motor neuron model of the local pattern-generating circuits in the swimmeret system. J Neurosci 16:2839-2859.
26. Sherff CM, Mulloney B (1997) Passive properties of swimmeret motor neurons. J Neurophysiol, in press.
27. Sigvardt KA (1993) Intersegmental coordination in the lamprey central pattern generator for locomotion. Semin Neurosci 5:3-16.
28. Skinner FK, Kopell N, Marder E (1994) Mechanisms for oscillation and frequency control in reciprocally inhibitory model neural networks. J Comput Neurosci 1:69-88.
29. Skinner FK, Kopell N, Mulloney B (1997) How does the crayfish swimmeret system work? Insights from nearest neighbor coupled oscillator models. J Comput Neurosci, in press.
30. Stein PSG (1971) Intersegmental coordination of swimmeret motor neuron activity in crayfish. J Neurophysiol 34:310-318.
31. Stein PSG (1973) The relationship of interlimb phase to oscillator activity gradients in crayfish. In: Control of posture and locomotion (Stein RB, Pearson KG, Smith RS, Redford JB, eds), pp 621-623. New York: Plenum.
32. Stein PSG (1974) Neural control of interappendage phase during locomotion. Am Zool 14:1003-1016.
33. Tunstall MJ, Sillar KT (1993) Physiological and developmental aspects of intersegmental coordination in Xenopus embryos and tadpoles. Semin Neurosci 5:29-40.
34. Tunstall MJ, Roberts A (1994) A longitudinal gradient of synaptic drive in the spinal cord of Xenopus embryos and its role in coordination of swimming. J Physiol (Lond) 474:393-405.
35. West L, Jacobs G, Mulloney B (1979) Intrasegmental proprioceptive influences on the period of the swimmeret rhythm in crayfish. J Exp Biol 82:289-301.
36. Wiersma CAG (1958) On the functional connections of single units in the central nervous system of the crayfish, Procambarus clarkii. J Comp Neurol 110:421-471.
37. Wiersma CAG, Ikeda K (1964) Interneurons commanding swimmeret movements in the crayfish, Procambarus clarkii. Comp Biochem Physiol Physiol 12:509-525.
38. Williams TL, Sigvardt KA, Kopell N, Ermentrout GB, Remler MP (1990) Forcing of coupled nonlinear oscillators: studies of intersegmental coordination in the lamprey locomotor central pattern generator. J Neurophysiol 64:862-871.
39. Zar JH (1984) Biostatistical analysis. Englewood Cliffs, NJ: Prentice-Hall.