Independence between the amount and structure of variability at low force levels

Neuroscience Letters

Volumn 392, Issue 3, 2006, Pages 165-169

  Sosnoff, Jacob J ^a,b   Valantine, Andrew D ^a   Newell, Karl M ^a  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

^b UNIVERSITY OF ILLINOIS AT URBANA CHAMPAIGN   (United States)

Author keywords

Force variability; Irregularity; Motor control; Visual feedback

Indexed keywords

ADULT; ARTICLE; CONTROLLED STUDY; ENTROPY; FEEDBACK SYSTEM; FEMALE; HUMAN; HUMAN EXPERIMENT; INDEX FINGER; MALE; MOTOR ACTIVITY; MOTOR UNIT; MUSCLE ISOMETRIC CONTRACTION; NONLINEAR SYSTEM; NORMAL HUMAN; PRIORITY JOURNAL; RATING SCALE; STATISTICAL SIGNIFICANCE; VISUAL STIMULATION;

ADULT; ANALYSIS OF VARIANCE; BIOMECHANICS; ELECTROMYOGRAPHY; FEEDBACK; FEMALE; FINGERS; HAND STRENGTH; HUMANS; ISOMETRIC CONTRACTION; LINEAR MODELS; PSYCHOMOTOR PERFORMANCE; VISUAL PERCEPTION; WEIGHTS AND MEASURES;

EID: 28444486426     PISSN: 03043940     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.neulet.2005.09.010     Document Type: Article

References (21)

1. R.G. Carson, T.N. Welsh, and M.A. Pamblanco-Valero Visual feedback alters the variations in corticospinal excitability that arise from rhythmic movements of the opposite limb Exp. Brain Res. 161 3 2005 325 334
2. E.A. Christou, M. Grossman, and L.G. Carlton Modeling variability of force during isometric contractions of the quadriceps femoris J. Mot. Behav. 34 2002 67 81
3. C.J. De Luca, R.S. LeFever, M.P. McCue, and A.P. Xenakis Control scheme governing concurrently active human motor units during voluntary contractions J. Physiol. 329 1982 129 142
4. A.J. Fuglevand, D. Winter, and A.E. Patla Models of recruitment and rate coding organization in motor-unit pools J. Neurophysiol. 70 1993 2470 2488
5. G.S. Fullerton, and J.M. Cattell On the perception of small differences Philo Monograph Series No. 2 1892 University of Pennsylvania Press Philadelphia, PA
6. C.M. Harris, and D.M. Wolpert Signal-dependent noise determines motor planning Nature 394 1998 780 784
7. K.E. Jones, A.F. Hamilton, and D.M. Wolpert Sources of signal-dependent noise during isometric force production J. Neurophysiol. 88 2002 533 544
8. D.E. Meyer, R.A. Abrams, S. Kronblum, C.E. Wright, and J.E.K. Smith Optimality in human motor performance: ideal control of rapid aimed movements Psychol. Rev. 95 1988 340 370
9. H.S. Milner-Brown, R.B. Stein, and R. Yemm Changes in firing rate of human motor units during linearly changing voluntary contractions J. Physiol. (Lond.) 230 1973 371 390
10. C.T. Moritz, B.K. Barry, M.A. Proscoe, and R.M. Enoka Discharge rate variability influences the variation in force fluctuations across the working range of a hand muscle J. Neurophysiol. 93 2005 2449 2459
11. G. Nafati, A. Schmeid, and C. Rossi-Durand Changes in the inhibitory control exerted by the agonist Ia afferents on human wrist extensor motor units during an attention demanding motor task J. Neurophysiol. 93 2005 2350 2353
12. K.M. Newell, and A.B. Slifkin The nature of movement variability J.P. Piek Motor Behavior and Human Skill: A Multidisciplinary Approach 1998 Human Kinetics Champaign, IL 143 160
13. S.M. Pincus Approximate entropy as a measure of system complexity Proc. Natl. Acad. Sci. 88 1991 2297 2301
14. A. Schmeid, S. Pagni, H. Sturm, and J.P. Vedel Selective enhancement of motoneurone short-term synchrony during an attention-demanding task Exp. Brain Res. 133 2000 377 390
15. R.A. Schmidt, H. Zelaznik, B. Hawkins, J.S. Frank, and J.T. Quinn Motor-output variability: a theory for the accuracy of rapid motor acts Psychol. Rev. 86 1979 415 451
16. A.B. Slifkin, and K.M. Newell Noise, information transmission and force variability J. Exp. Psychol.: Hum. Percept. Perfom. 25 1999 837 851
17. J.J. Sosnoff, and K.M. Newell Intermittent visual information and the multiple timescales of visual motor control of continuous isometric force production Percept. Psychophysiol. 62 2005 335 344
18. G.G. Sutton, and K. Sykes The variation of hand tremor with force in healthy subjects J. Physiol. 191 1967 699 711
19. A.M. Taylor, E.A. Christou, and R.M. Enoka Multiple features of motor-unit activity influence force fluctuations during isometric contractions J. Neurophysiol. 90 2003 1350 1361
20. D.E. Vaillancourt, L. Larsson, and K.M. Newell Time-dependent structure in the discharge rate of human motor units Clin. Neurophysiol. 113 2002 1325 1338
21. R.S. Woodworth The accuracy of voluntary movement Psychol. Rev. 3 13 1899 1 114