Jentzsch, I. and Leuthold, H. (2002) Advance movement preparation of eye, foot, and hand: a comparative study using movement-related brain potentials. Cognitive Brain Research, 14(2), pp. 201-217. (doi: 10.1016/S0926-6410(02)00107-6)
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Abstract
The present study was designed to test the inter-relationship between generalized motor programs (GMPs) and movement preparation by asking participants to perform movements with eye, foot, or hand. In two independent experiments a response precuing task was employed that combined the recording of movement-related brain potentials (MRPs) with dipole source analysis. Behavioral results indicated the utilization of advance information about movement direction and effector. When eye and hand movements were involved (experiment1) partial advance information about response side but not effector induced parallel motor programming of eye and hand at an abstract but not effector-specific level. In contrast, when partial precues specified side of a forthcoming hand or foot movement (experiment 2) foot and hand were prepared in parallel both at abstract and at effector-specific levels of motor programming. Consistent with the GMP view, these results indicate that effector-specific preparation is possible even when the effector is not yet known as long as a common motor program controls the demanded movements. However, because parallel specification of divergent movement pattern (eye, hand) at an abstract level was not predicted by the GMP, we propose a model of advance movement preparation that takes into account neurofunctional considerations.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Leuthold, Prof Hartmut |
| Authors: | Jentzsch, I., and Leuthold, H. |
| Subjects: | B Philosophy. Psychology. Religion > BF Psychology |
| College/School: | College of Science and Engineering > School of Psychology |
| Journal Name: | Cognitive Brain Research |
| ISSN: | 0926-6410 |
| ISSN (Online): | 1872-6348 |
| Published Online: | 18 March 2002 |
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