On the form of the internal model for reaching
We investigated, by using simulations, possible mechanisms responsible for the errors in the direction of arm movements exhibited by deafferented patients. Two aspects of altered feedforward control were evaluated: the inability to sense initial conditions and the degradation of an internal model. A...
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| Veröffentlicht in: | Experimental brain research 1995-06, Vol.104 (3), p.467-479 |
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| container_end_page | 479 |
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| container_issue | 3 |
| container_start_page | 467 |
| container_title | Experimental brain research |
| container_volume | 104 |
| creator | BUNEO, C. A BOLINE, J SOECHTING, J. F POPPELE, R. E |
| description | We investigated, by using simulations, possible mechanisms responsible for the errors in the direction of arm movements exhibited by deafferented patients. Two aspects of altered feedforward control were evaluated: the inability to sense initial conditions and the degradation of an internal model. A simulation which assumed no compensation for variations in initial arm configuration failed to reproduce the characteristic pattern of errors. In contrast, a simulation that assumed random variability in the generation of joint torque resulted in a distribution of handpaths which resembled some aspects of the pattern of errors exhibited by deafferented patients. |
| doi_str_mv | 10.1007/BF00231981 |
| format | Article |
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In contrast, a simulation that assumed random variability in the generation of joint torque resulted in a distribution of handpaths which resembled some aspects of the pattern of errors exhibited by deafferented patients.</description><subject>Arm - innervation</subject><subject>Arm - physiology</subject><subject>Biological and medical sciences</subject><subject>Elbow - physiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Models, Neurological</subject><subject>Motor control and motor pathways. Reflexes. Control centers of vegetative functions. Vestibular system and equilibration</subject><subject>Movement - physiology</subject><subject>Neurons, Afferent - physiology</subject><subject>Shoulder - physiology</subject><subject>Space life sciences</subject><subject>Vertebrates: nervous system and sense organs</subject><issn>0014-4819</issn><issn>1432-1106</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkDtPwzAUhS0EKqWwsCNlQAxIKdd2YjsjVBSQKnWBOXLsaxqUR7GTgX9PQqMy3cf5dHR0CLmmsKQA8uFpDcA4zRQ9IXOacBZTCuKUzAFoEieKZufkIoSv8eQSZmQmU5WxTM3JcttE3Q4j1_o6at3fXjYd-kZXUd1arEYp8qjNrmw-L8mZ01XAq2kuyMf6-X31Gm-2L2-rx01seMq6WBuUHGUhgCcySx0kFAub6MI5ayWTKcOEDj-muOXWAjO6EFyMrFCoUr4gdwffvW-_ewxdXpfBYFXpBts-5FIKwVIFA3h_AI1vQ_Do8r0va-1_cgr5WE7-X84A30yufVGjPaJTG4N-O-k6GF05rxtThiPGh4hDdP4LKG5pDg</recordid><startdate>19950601</startdate><enddate>19950601</enddate><creator>BUNEO, C. A</creator><creator>BOLINE, J</creator><creator>SOECHTING, J. 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| ispartof | Experimental brain research, 1995-06, Vol.104 (3), p.467-479 |
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| language | eng |
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| source | MEDLINE; SpringerLink Journals - AutoHoldings |
| subjects | Arm - innervation Arm - physiology Biological and medical sciences Elbow - physiology Fundamental and applied biological sciences. Psychology Humans Models, Neurological Motor control and motor pathways. Reflexes. Control centers of vegetative functions. Vestibular system and equilibration Movement - physiology Neurons, Afferent - physiology Shoulder - physiology Space life sciences Vertebrates: nervous system and sense organs |
| title | On the form of the internal model for reaching |
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