Contrasting interpretations of the nonuniform distribution of preferred directions within primary motor cortex [1]

Journal of Neurophysiology

Volumn 97, Issue 6, 2007, Pages 4390-

  Kurtzer, Isaac ^a,b   Herter, Troy M ^a,b  

^a QUEEN S UNIVERSITY   (Canada)

^b QUEEN S UNIVERSITY   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

ELBOW FLEXION; HAND MOVEMENT; JOINT FUNCTION; LETTER; LIMB MOVEMENT; MOTOR CORTEX; MUSCLE CONTRACTION; MUSCLE FORCE; NERVE CELL; PRIORITY JOURNAL; SHOULDER;

ANIMALS; DATA INTERPRETATION, STATISTICAL; MACACA MULATTA; MOTOR CORTEX; MOTOR NEURONS; PSYCHOMOTOR PERFORMANCE; SPACE PERCEPTION;

EID: 34447509887     PISSN: 00223077     EISSN: 15221598     Source Type: Journal    
DOI: 10.1152/jn.00032.2007     Document Type: Letter

References (14)

1. Crutcher MD, Alexander GE. Movement-related neuronal activity selectively coding either direction or muscle pattern in three motor areas of the monkey. J Neurophysiol 64: 151-163, 1990.
2. Georgopoulos AP, Kalaska JF, Caminiti R, Massey JT. On the relations between the direction of two-dimensional arm movements and cell discharge in primate motor cortex. J Neurosci 2: 1527-1537, 1982.
3. Georgopoulos AP, Schwartz AB, Kettner RE. Neuronal population coding of movement direction. Science 233: 1416-1419, 1986.
4. Graziano MS, Taylor CS, Moore T, Cooke DF. The cortical control of movement revisited. Neuron 36: 349-362, 2002.
5. Kakei S, Hoffman DS, Strick PL. Muscle and movement representations in the primary motor cortex. Science 285: 2136-2139, 1999.
6. Kurtzer IL, Herter TM, Scott SH. Nonuniform distribution of reach-related and torque-related activity in upper arm muscles and neurons of primary motor cortex. J Neurophysiol 96: 3220-3230, 2006.
7. Moran DW, Schwartz AB. Motor cortical representation of speed and direction during reaching. J Neurophysiol 82: 2676-2692, 1999.
8. Mussa-Ivaldi FA. Do neurons in the motor cortex encode movement direction? An alternative hypothesis. Neurosci Lett 91: 106-111, 1988.
9. Naselaris T, Merchant H, Amirikian B, Georgopoulos AP. Large-scale organization of preferred directions in the motor cortex. I. Motor cortical hyperacuity for forward reaching. J Neurophysiol 96: 3231-3236, 2006.
10. Scott SH. Comparison of onset time and magnitude of activity for proximal arm muscles and motor cortical cells before reaching movements. J Neurophysiol 77: 1016-1022, 1997.
11. Scott SH, Gribble PL, Graham KM, Cabel DW. Dissociation between hand motion and population vectors from neural activity in motor cortex. Nature 413: 161-165, 2001.
12. Sergio LE, Kalaska JF. Changes in the temporal pattern of primary motor cortex activity in a directional isometric force versus limb movement task. J Neurophysiol 80: 1577-1583, 1998.
13. Todorov E. Direct cortical control of muscle activation in voluntary arm movements: a model. Nat Neurosci 3: 391-398, 2000.
14. Wu W, Hatsopoulos N. Evidence against a single coordinate system representation in the motor cortex. Exp Brain Res 175: 197-210, 2006.