An extended difference of coherence test for comparing and combining several independent coherence estimates: Theory and application to the study of motor units and physiological tremor

Journal of Neuroscience Methods

Volumn 73, Issue 1, 1997, Pages 69-79

  Amjad, A M ^a   Halliday, D M ^a,b   Rosenberg, J R ^a   Conway, B A ^c  

^a UNIVERSITY OF GLASGOW   (United Kingdom)

^b UNIVERSITY OF GLASGOW   (United Kingdom)

^c UNIVERSITY OF STRATHCLYDE   (United Kingdom)

Author keywords

Coherence; Difference of coherence; Motor unit; Motor unit synchronization; Spectral analysis; Tremor

Indexed keywords

ARTICLE; HUMAN; MOTOR UNIT; PRIORITY JOURNAL; SPECTROSCOPY; TREMOR;

HUMANS; MODELS, THEORETICAL; MOTOR NEURONS; STATISTICS; TREMOR;

EID: 0030906022     PISSN: 01650270     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0165-0270(96)02214-5     Document Type: Article

References (24)

1. Amjad, A.M., Conway, B.A., Farmer, S.F., Halliday, D.M., O'Leary, C. and Rosenberg, J.R. (1994) A load independent 30-40 Hz component of physiological tremor, J. Physiol., 476: 21P.
2. Brillinger, D.R. (1972) The spectral analysis of stationary interval functions. In LeCam, L.M., Neyman, I. and Scott, E. (Eds.), Proc. Sixth Berkeley Symp. Math. Stat. Prob., pp. 483-513.
3. Brillinger, D.R. (1974) Fourier analysis of stationary processes, Proc. IEEE, 62: 1628-1643.
4. Brillinger, D.R. (1981) Time Series-Data Analysis and Theory, 2nd edn, Holden Day, San Francisco.
5. Brillinger, D.R. (1983) The finite Fourier transform of a stationary process. In Brillinger, D.R. and Krishnaiah, P.R. (Eds.), Handbook of Statistics, Elsevier, Amsterdam, pp. 21-37.
6. Brillinger, D.R. (1992) Examples of scientific problems and data analyses in demography, neurophysiology, and seismology, J. Comput. Graph. Stat., 3: 1-22.
7. Brillinger, D.R., Bryant, H.L. and Segundo, J.P. (1976) Identification of synaptic interactions, Biol. Cybern., 22: 213-228.
8. Conway, B.A., Halliday, D.M. and Rosenberg, J.R. (1993) Detection of weak synaptic interactions between single Ia-afferents and motor-unit spike trains in the decerebrate cat, J. Physiol., 471: 379-409.
9. Conway, B.A., Farmer, S.F., Halliday, D.M. and Rosenberg, J.R. (1995a) On the relation between motor-unit discharges and physiological tremor. In Taylor, A., Gladden, M.H. and Durbaba, R (Eds.), Alpha and Gamma Motor Systems, Plenum Press, New York, pp. 596-598.
10. Conway, B.A., Halliday, D.M., Farmer, S.F., Shahani, U., Maas, P., Weir, A.I. and Rosenberg, J.R. (1995b) Synchronization between motor cortex and spinal motoneuronal pool during the performance of a maintained motor task in man, J. Physiol., 489: 917-924.
11. Elble, R.J. and Koller, J. (1990) Tremor, John Hopkins, Baltimore.
12. Elble, R.J. and Randall, J.E. (1976) Motor unit activity responsible for 8- to 12-Hz component of human physiological tremor, J. Neurophysiol., 39: 370-383.
13. Farmer, S.F., Bremner, F.D., Halliday, D.M., Rosenberg, J.R. and Stephens, J.A. (1993) The frequency content of common synaptic inputs to motoneurones studied during voluntary isometric contraction in man, J. Physiol., 470: 127-155.
14. Halliday, D.M., Amjad, A.M., Conway, B.A., Farmer, S.F. and Rosenberg, J.R. (1995) A method for comparison of several coherence estimates from independent experiments, J. Physiol., 487: 76P.
15. Halliday, D.M., Rosenberg J.R., Amjad, A.M., Breeze, P., Conway, B.A. and Farmer, S.F. (1996) A framework for the analysis of mixed time series/point process data: theory and application to the study of physiological tremor, single motor unit discharges and electromyograms, Prog. Biophys. Mol. Biol., 64: 237-278.
16. Hamm, T.M. and McCurdy, M.L. (1995) The use of coherence spectra to determine common synaptic inputs to motoneurone pools of the cat during fictive locomotion. In Taylor, A., Gladden, M.H. and Durbaba, R (Eds.), Alpha and Gamma Motor Systems, Plenum Press, New York, pp. 309-315.
17. Rao, C.R. (1973) Linear Statistical Inference and its Applications, 2nd edn, Wiley, New York.
18. Rigas, A. (1983) Point process and time series analysis: Theory and applications to complex physiological systems. Ph.D. Thesis, Glasgow University.
19. Rosenberg, J.R., Amjad, A.M., Breeze, P., Brillinger, D.R. and Halliday, D.M. (1989) The Fourier approach to the identification of functional coupling between neuronal spike trains, Prog. Biophys. Mol. Biol., 53: 1-31.
20. Sears, T.A. and Stagg, D. (1976) Short-term synchronization of intercostal motoneurone activity, J. Physiol., 263: 357-387.
21. Stiles, R.N. (1980) Mechanical and neural feedback factors in postural hand tremor of normal subjects, J. Neurophysiol., 44: 40-59.
22. Stiles, R.N. and Randall, J.E. (1967) Mechanical factors in human tremor frequency, J. Appl. Physiol., 23: 324-330.
23. Torres-Melo, L. (1974) Stationary Point Processes. Ph.D. Thesis, University of California, Berkeley.
24. Wiener, N. (1930) Generalized harmonic analysis. Acta. Math., 55: 117-258.