Postural constraints on movement variability

Journal of Neurophysiology

Volumn 104, Issue 2, 2010, Pages 1061-1067

  Lametti, Daniel R ^a   Ostry, David J ^a,b  

^a MCGILL UNIVERSITY   (Canada)

^b HASKINS LABORATORIES   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ADULT; ARTICLE; BODY POSTURE; FEMALE; HUMAN; HUMAN EXPERIMENT; LIMB MOVEMENT; MALE; NORMAL HUMAN; PRIORITY JOURNAL; RIGIDITY; ROBOTICS; TASK PERFORMANCE; VISUOMOTOR COORDINATION;

ADOLESCENT; ADULT; BIOMECHANICS; EXTREMITIES; FEMALE; HUMANS; MALE; MOVEMENT; PHOTIC STIMULATION; POSTURE; PSYCHOMOTOR PERFORMANCE; YOUNG ADULT;

EID: 77955962283     PISSN: 00223077     EISSN: 15221598     Source Type: Journal    
DOI: 10.1152/jn.00306.2010     Document Type: Article

References (29)

1. Burdet E, Osu R, Franklin DW, Milner TE, Kawato M. The central nervous system stabilizes unstable dynamics by learning optimal impedance. Nature 414: 446-449, 2001.
2. Churchland MM, Afshar A, Shenoy KV. A central source of movement variability. Neuron 52: 1085-1096, 2006.
3. Darainy M, Malfait N, Gribble PL, Towhidkhah F, Ostry DJ. Learning to control arm stiffness under static conditions. J Neurophysiol 92: 3344-3350, 2004.
4. Darainy M, Malfait N, Gribble PL, Towhidkhah F, Ostry DJ. Transfer and durability of acquired patterns of human arm stiffness. Exp Brain Res 170: 227-237, 2006.
5. Darainy M, Towhidkhah F, Ostry DJ. Control of hand impedance under static conditions and during reaching movements. J Neurophysiol 97: 2676-2685, 2007. (Pubitemid 46557701)
6. Diedrichsen J. Optimal task-dependent changes of bimanual feedback control and adaptation. Curr Biol 17: 1675-1679, 2007.
7. Fitts PM. The information capacity of the human motor system in controlling the amplitude of movements. J Exp Psychol 47: 381-391, 1954.
8. Franklin DW, Liaw G, Milner TE, Osu R, Burdet E, Kawato M. Endpoint stiffness of the arm is directionally tuned to instability in the environment. J Neurosci 27: 7705-7716, 2007.
9. Gomi H, Kawato M. Human arm stiffness and equilibrium-point trajectory during multi-joint arm movements. Biol Cybern 76: 163-171, 1997.
10. Gomi H, Osu R. Task dependent viscoelasticity of human multijoint arm and its spatial characteristic for interaction with environment. J Neurosci 18: 8965-8978, 1998. (Pubitemid 28491761)
11. Gordon J, Ghilardi MF, Cooper SE, Ghez C. Accuracy of planar reaching movements. II. Systematic extent errors resulting from inertial anisotropy. Exp Brain Res 99: 112-130, 1994a.
12. Gordon J, Ghilardi MF, Ghez C. Accuracy of planar reaching movements. I. Independence of direction and extent variability. Exp Brain Res 99: 97-111, 1994b.
13. Gribble PL, Mullin LI, Cothros N, Mattar A. Role of cocontraction in arm movement accuracy. J Neurophysiol 89: 2667-2677, 2002.
14. Harris CM, Wolpert DM. Signal-dependent noise determines motor planning. Nature 394: 780-784, 1998.
15. Haruno M, Wolpert DM. Optimal control of redundant muscles in steptracking wrist movements. J Neurophysiol 94: 4244-4255, 2005.
16. Hogan N. The mechanics of multi-joint posture and movement control. Biol Cybern 52: 315-331, 1985. (Pubitemid 15234729)
17. Hwang EJ, Smith MA, Shadmehr R. Adaptation and generalization in acceleration-dependent force fields. Exp Brain Res 169: 496-506, 2006.
18. Jones KE, Hamilton AF, Wolpert DM. Sources of signal-dependent noise during isometric force production. J Neurophysiol 88: 1533-1544, 2002.
19. Laboissière R, Lametti DR, Ostry DJ. Impedance control and its relation to precision in orofacial movement. J Neurophysiol 102: 523-531, 2009.
20. Lametti DR, Houle G, Ostry DJ. Control of movement variability and the regulation of limb impedance. J Neurophysiol 98: 3516-3524, 2007.
21. Mussa-Ivaldi FA, Hogan N, Bizzi E. Neural, mechanical, and geometric factors subserving arm posture in humans. J Neurosci 5: 2732-2743, 1985. (Pubitemid 16232362)
22. Osu R, Kamimura N, Iwasaki H, Nakano E, Harris CM, Wada Y, Kawato M. Optimal impedance control for task achievement in the presence of signal dependent noise. J Neurophysiol 92: 1199-1215, 2003.
23. Selen LP, Beek PL, van Dieen JH. Impedance is modulated to meet accuracy demands during goal-directed arm movements. Exp Brain Res 172: 192-138, 2005.
24. Selen LP, Franklin DW, Wolpert DM. Impedance control reduces instability that arises from motor noise. J Neurosci 29: 12606-12616, 2009.
25. Shiller DM, Laboissiere R, Ostry DJ. Relationship between jaw stiffness and kinematic variability in speech. J Neurophysiol 88: 2329-2340, 2002.
26. Todorov E. Efficient computation of optimal actions. Proc Natl Acad Sci USA 106: 11429-11430, 2009.
27. Todorov E, Jordan MI. Optimal feedback control as a theory of motor coordination. Nat Neurosci 5: 1226-1235, 2002. (Pubitemid 35247183)
28. van Beers RJ, Haggard P, Wolpert DM. The role of execution noise in movement variability. J Neurophysiol 91: 1050-1063, 2004.
29. Wong J, Wilson ET, Malfait N, Gribble PL. Limb stiffness is modulated with spatial accuracy requirements during movement in the absence of destabilizing forces. J Neurophysiol 101: 1542-1549, 2009.