Accuracy of planar reaching movements - I. Independence of direction and extent variability

Experimental Brain Research

Volumn 99, Issue 1, 1994, Pages 97-111

  Gordon, James ^a   Ghilardi, Maria Felice ^b   Ghez, Claude ^b  

^a Program in Physical Therapy Columbia University College of Physicians and Surgeons ^*  (United States)

^b NEW YORK STATE PSYCHIATRIC INSTITUTE   (United States)

Author keywords

Coordinate transformations; Human; Multijoint arm movements; Reaching Accuracy

Indexed keywords

ACCELERATION; ACCURACY; ADULT; ARM MOVEMENT; ARTICLE; COMPUTER; CONTROLLED STUDY; FEMALE; HAND MOVEMENT; HUMAN; HUMAN EXPERIMENT; IMAGE DISPLAY; MALE; NORMAL HUMAN; PRIORITY JOURNAL; SPATIAL ORIENTATION; VELOCITY;

ADULT; FEMALE; FINGERS; HAND; HUMAN; MALE; MOVEMENT; PROPRIOCEPTION; PSYCHOMOTOR PERFORMANCE; SHOULDER; SUPPORT, NON-U.S. GOV'T; SUPPORT, U.S. GOV'T, P.H.S.; WRIST JOINT;

EID: 0028243230     PISSN: 00144819     EISSN: 14321106     Source Type: Journal    
DOI: 10.1007/BF00241415     Document Type: Article

References (61)

1. Human arm trajectory formation
2. Kinematic features of unrestrained vertical arm movements
3. Differences in programming of amplitude and direction in a two dimensional force aiming task
4. Motor control prior to movement onset
5. Specification of direction and extent in motor programming
6. Visuomotor transformations underlying arm movements toward visual targets: a neural network model of cerebral cortical operations
7. Making arm movements within different parts of space: dynamic aspects in the primate motor cortex
8. Making arm movements within different parts of space: the premotor and motor cortical representation of a coordinate system for reaching to visual targets
9. Trajectory control in targeted force impulses. VI. Independent specification of response amplitude and direction
10. Discrete and continuous processes in the programming of extent and direction in multijoint arm movements
11. Trajectory control in targeted force impulses. VII. Independent setting of amplitude and direction in response preparation
12. Parcellation of sensorimotor transformations for arm movements
13. Early stages in a sensorimotor transformation
14. The coordination of arm movements: an experimentally confirmed mathematical model
15. Higher order motor control
16. Cognitive spatial-motor processes. 2. Information transmitted by the direction of two-dimensional arm movements and by neuronal populations in primate motor cortex and area 5
17. Spatial trajectories and reaction times of aimed movements: effects of practice, uncertainty, and change in target location
18. On the relations between the direction of two-dimensional arm movements and cell discharge in primate motor cortex
19. Contributions of central programs to rapid limb movements in the cat
20. Sensory motor processing of targeted movements in motor cortex
21. Roles of proprioceptive input in the programming of arm trajectories
22. Parallel interacting channels in the initiation and specification of motor response features
23. Systematic directional errors in planar arm movements are reduced by vision of the arm
24. Trajectory control in targeted force impulses. II. Pulse height control
25. Trajectory control in targeted force impulses. III. Compensatory adjustments for initial errors
26. Independence of direction and amplitude errors in planar arm movements
27. In reaching, the task is to move the hand to a target
28. Parallel processing of direction and extent in reaching movements
29. Accuracy of planar reaching movements. II. Systematic extent errors resulting from inertial anisotropy
30. Strategies for the control of voluntary movements with one mechanical degree of freedom
31. Moving a human or robot arm with many degrees of freedom: issues and ideas
32. The mechanics of multi-joint posture and movement control
33. Computers, brains and the control of movement
34. Trajectories of reaches to prismatically displaced targets: evidence for “automatic” visuomotor recalibration
35. Cerebral cortical mechanisms of reaching movements
36. A kinematic comparison of single and multijoint pointing movements
37. Initiation rules for planar, two-joint arm movements: agonist selection for movements throughout the work space
38. Movement control in skilled motor performance
39. A connectionist model may shed light on neural mechanisms for visually guided reaching
40. Speed-accuracy tradeoffs in aimed movements: toward a theory of rapid voluntary action
41. Spatial control of arm movements
42. The relationship of impulse to response timing error
43. Human manual control
44. Monkey primary motor and premotor cortex: single-cell activity related to prior information about direction and extent of an intended movement
45. Human movement initiation: specification of arm, direction, and extent
46. Eevels of sensorimotor representation
47. A schema theory of discrete skill learning
48. Motor-output variability: a theory for the accuracy of rapid motor acts
49. Primate motor cortex and free arm movements to visual targets in three-dimensional space. I. Relations between single cell discharge and direction of movement
50. Postural force fields of the human arm and their role in generating multi-joint movements
51. An analysis of curvature in fast and slow human saccades
52. Elements of coordinated arm movements in three-dimensional space
53. Errors in pointing are due to approximations in sensorimotor transformations
54. Sensorimotor representations for pointing to targets in three-dimensional space
55. Sensorimotor transformations and the kinematics of arm movements in three-dimensional space
56. Transformation from head- to shoulder-centered representation of target direction in arm movements
57. A coordinate system for the synthesis of visual and kinesthetic information
58. The accuracy of voluntary movement