Imperial College London
Alternate

ProfessorPeterEllaway

Faculty of Medicine, Department of Brain Sciences

Emeritus Professor of Physiology
 
 
 
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Contact

 

+44 (0)20 8398 6639p.ellaway

 
 
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Location

 

Lab BlockCharing Cross Campus

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Summary

 

Publications

Publication Type
Year
to

185 results found

ELLAWAY PH, FRIEDLAND CL, WEBSTER RA, 1989, SYNCHRONY OF GAMMA MOTONEURON DISCHARGE AND MONOAMINES IN THE SPINAL-CORD OF THE ANESTHETIZED RAT, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 415, Pages: P59-P59, ISSN: 0022-3751

Journal article

DAVEY NJ, ELLAWAY PH, 1989, FACILITATION OF INDIVIDUAL GAMMA-MOTONEURONES BY THE DISCHARGE OF SINGLE SLOWLY ADAPTING TYPE-1 MECHANORECEPTORS IN CATS, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 411, Pages: 97-114, ISSN: 0022-3751

Journal article

Davey NJ, Ellaway PH, 1989, Segmental influence of slowly-adapting cutaneous mechanoreceptors on gamma motoneurones revealed by cross-correlation of unit discharges in the cat., Prog Brain Res, Vol: 80, Pages: 19-25, ISSN: 0079-6123

Cross-correlations between the discharges of individual cutaneous afferents and gamma motoneurones have been constructed in the spinal, decerebrated cat. The discharges of single receptors in the sural nerve field from the heel were recorded in dorsal root ganglia. Background discharges of gamma motoneurones and the responses to heel stimulation were recorded from cut filaments of the muscle nerve to gastrocnemius medialis of the same leg. Slowly-adapting afferents were stimulated by steady application of a probe to the receptive field whereas rapidly-adapting afferents required continuous movement to sustain discharge of a receptor. Cross-correlation between the discharges of 17 out of 39 slowly-adapting, type-1 (SA1) mechanoreceptors and gamma motoneurones revealed sharp increases in probability of gamma motoneurone discharge that were delayed with respect to the afferent discharge. The peaks were of short duration with widths at half maximum in the range 2-7 ms and rise times of 1 to 4 ms. Deducting peripheral conduction times gave central delays of 3-6.5 ms for gamma motoneurone facilitation. These delays were comparable to those of gamma motoneurone excitation seen in response to electrical stimulation of the sural nerve at 1.5 to 4 times threshold. No short duration peaks were seen in correlograms between hair follicle (n = 29) or slowly-adapting type-2 (SA2) (n = 11) afferents and gamma motoneurones. It is concluded that a single impulse from a SA1 afferent from the hairy skin of the heel is able to facilitate the discharge of gamma motoneurones to the ipsilateral gastrocnemius muscle.(ABSTRACT TRUNCATED AT 250 WORDS)

Journal article

DAVEY NJ, ELLAWAY PH, 1989, SEGMENTAL INFLUENCE OF SLOWLY-ADAPTING CUTANEOUS MECHANORECEPTORS ON GAMMA-MOTONEURONS REVEALED BY CROSS-CORRELATION OF UNIT DISCHARGES IN THE CAT, PROGRESS IN BRAIN RESEARCH, Vol: 80, Pages: 19-25, ISSN: 0079-6123

Journal article

DAVEY NJ, ELLAWAY PH, 1988, THE EXCITATORY ACTION OF SINGLE SLOWLY ADAPTING TYPE-1 MECHANORECEPTORS ON INDIVIDUAL GAMMA-MOTONEURONES IN THE CAT, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 406, Pages: P28-P28, ISSN: 0022-3751

Journal article

DAVEY NJ, ELLAWAY PH, 1988, CONTROL FROM THE BRAIN-STEM OF SYNCHRONY OF DISCHARGE BETWEEN GAMMA-MOTONEURONES IN THE CAT, EXPERIMENTAL BRAIN RESEARCH, Vol: 72, Pages: 249-263, ISSN: 0014-4819

Journal article

DAVEY NJ, ELLAWAY PH, FRIEDLAND CL, 1987, QUANTITATIVE ASSESSMENT OF THE DEGREE OF SYNCHRONY BETWEEN THE DISCHARGES OF NEURONS, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 390, Pages: P10-P10, ISSN: 0022-3751

Journal article

DAVEY NJ, ELLAWAY PH, STEIN RB, 1986, STATISTICAL LIMITS FOR DETECTING CHANGE IN THE CUMULATIVE SUM DERIVATIVE OF THE PERISTIMULUS TIME HISTOGRAM, JOURNAL OF NEUROSCIENCE METHODS, Vol: 17, Pages: 153-166, ISSN: 0165-0270

Journal article

DAVEY NJ, ELLAWAY PH, FRIEDLAND CL, 1986, SYNCHRONY OF MOTOR UNIT DISCHARGE IN HUMANS WITH PARKINSONS-DISEASE, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 377, Pages: P30-P30, ISSN: 0022-3751

Journal article

DAVEY NJ, ELLAWAY PH, HALLIDAY DM, MURRAYSMITH DJ, ROSENBERG JRet al., 1986, COMPARATIVE-ANALYSIS OF MEASURES OF ASSOCIATION BETWEEN SPIKE TRAINS, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 377, Pages: P14-P14, ISSN: 0022-3751

Journal article

CONNELL LA, DAVEY NJ, ELLAWAY PH, 1986, THE DEGREE OF SHORT-TERM SYNCHRONY BETWEEN ALPHA-MOTONEURON AND GAMMA-MOTONEURON COACTIVATED DURING THE FLEXION REFLEX IN THE CAT, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 376, Pages: 47-61, ISSN: 0022-3751

Journal article

CONNELL LA, DAVEY NJ, ELLAWAY PH, 1985, THE SYNCHRONIZED FIRING OF ALPHA-MOTONEURONES AND GAMMA-MOTONEURONES CO-ACTIVATED DURING THE FLEXION REFLEX IN THE CAT, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 364, Pages: P48-P48, ISSN: 0022-3751

Journal article

DAVEY NJ, ELLAWAY PH, 1985, THE NATURE OF THE REFLEX COUPLING BETWEEN SKIN AFFERENTS AND GAMMA MOTONEURONES IN THE CAT, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 366, Pages: P127-P127, ISSN: 0022-3751

Journal article

ELLAWAY PH, MURTHY KSK, 1985, THE SOURCE AND DISTRIBUTION OF SHORT-TERM SYNCHRONY BETWEEN GAMMA-MOTONEURONES IN THE CAT, QUARTERLY JOURNAL OF EXPERIMENTAL PHYSIOLOGY AND COGNATE MEDICAL SCIENCES, Vol: 70, Pages: 233-247, ISSN: 0033-5541

Journal article

ELLAWAY PH, MURTHY KSK, 1985, THE ORIGINS AND CHARACTERISTICS OF CROSS-CORRELATED ACTIVITY BETWEEN GAMMA-MOTONEURONES IN THE CAT, QUARTERLY JOURNAL OF EXPERIMENTAL PHYSIOLOGY AND COGNATE MEDICAL SCIENCES, Vol: 70, Pages: 219-232, ISSN: 0033-5541

Journal article

DAVEY NJ, ELLAWAY PH, 1985, A DORSOLATERAL SPINAL PATHWAY CONTROLLING THE PATTERN OF GAMMA MOTONEURON DISCHARGE IN THE CAT, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 365, Pages: P20-P20, ISSN: 0022-3751

Journal article

CATLEY M, ELLAWAY PH, LOCKETT JR, 1984, REFLEXES AND BEHAVIOR OF THE DECEREBRATED FROG AND PIGEON - A VIDEO RECORDING FOR TEACHING, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 353, Pages: P14-P14, ISSN: 0022-3751

Journal article

ELLAWAY PH, MURTHY KSK, 1984, REFLEX EFFECTS FROM HIGH THRESHOLD NECK MUSCLE AFFERENTS ON HINDLIMB EXTENSOR GAMMA-MOTONEURONES IN THE CAT, EXPERIMENTAL BRAIN RESEARCH, Vol: 54, Pages: 212-216, ISSN: 0014-4819

Journal article

DAVEY NJ, ELLAWAY PH, 1984, A MODEL FOR STUDYING VARIABILITY IN SPIKE TRAINS AND SYNCHRONOUS FIRING BETWEEN NEURONS, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 353, Pages: P15-P15, ISSN: 0022-3751

Journal article

DAVEY NJ, ELLAWAY PH, 1984, IRREGULARITY OF DISCHARGE ASSOCIATED WITH HIGH-INCIDENCE OF SYNCHRONIZED FIRING BETWEEN GAMMA-MOTONEURONES IN THE CAT, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 351, Pages: P18-P18, ISSN: 0022-3751

Journal article

ELLAWAY PH, FURNESS P, 1983, A SPIKE DISCRIMINATOR FOR THE SEPARATION OF THE DISCHARGES OF 3 UNIT EVENTS, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 339, Pages: P8-P9, ISSN: 0022-3751

Journal article

ELLAWAY PH, GARDNERMEDWIN AR, PASCOE JE, 1983, DECISION LIMITS FOR SIGNIFICANCE OF CHANGES IN THE CUMULATIVE SUM (CUSUM) OF THE PERISTIMULUS TIME HISTOGRAM, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 341, Pages: P4-P5, ISSN: 0022-3751

Journal article

ELLAWAY PH, MURTHY KSK, 1983, THE DEGREE OF SYNCHRONY OF DISCHARGE BETWEEN GAMMA-MOTONEURONES AND ITS DEPENDENCY UPON FIRING RATES IN THE CAT, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 338, Pages: P33-P33, ISSN: 0022-3751

Journal article

ELLAWAY PH, MURTHY KSK, PASCOE JE, 1982, CORRELATIONS BETWEEN THE DISCHARGES OF GAMMA MOTO-NEURONS IN THE CAT, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 328, Pages: P2-P2, ISSN: 0022-3751

Journal article

ELLAWAY PH, MURPHY PR, TRIPATHI A, 1982, CLOSELY COUPLED EXCITATION OF GAMMA-MOTONEURONES BY GROUP-III MUSCLE AFFERENTS WITH LOW MECHANICAL THRESHOLD IN THE CAT, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 331, Pages: 481-498, ISSN: 0022-3751

Journal article

ELLAWAY PH, MURPHY PR, TRIPATHI A, 1981, EXCITATION OF GAMMA-MOTONEURONES BY GP-III MUSCLE RECEPTORS IN THE CAT, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 316, Pages: P21-P22, ISSN: 0022-3751

Journal article

ELLAWAY PH, MURPHY PR, 1981, A COMPARISON OF THE RECURRENT INHIBITION OF ALPHA-MOTONEURONES AND GAMMA-MOTONEURONES IN THE CAT, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 315, Pages: 43-58, ISSN: 0022-3751

Journal article

BANKS RW, ELLAWAY PH, SCOTT JJ, 1981, RESPONSES OF DE-EFFERENTED MUSCLE-SPINDLES OF PERONEUS BREVIS AND TERTIUS MUSCLES IN THE CAT, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 310, Pages: P53-P53, ISSN: 0022-3751

Journal article

ELLAWAY PH, FURNESS P, MORTON HB, PASCOE JEet al., 1980, A MICROCOMPUTER SUITABLE FOR ELECTRO-PHYSIOLOGICAL RESEARCH, JOURNAL OF PHYSIOLOGY-LONDON, Vol: 305, Pages: P6-P7, ISSN: 0022-3751

Journal article

ELLAWAY PH, MURPHY PR, 1980, AUTOGENETIC EFFECTS OF MUSCLE-CONTRACTION ON EXTENSOR GAMMA-MOTONEURONES IN THE CAT, EXPERIMENTAL BRAIN RESEARCH, Vol: 38, Pages: 305-312, ISSN: 0014-4819

Journal article

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