Coordination Between Posture and Movement in Parkinsonism and SMA Lesion

Viallet, François; Massion, J; Massarino, R; Khalil, R

doi:10.1007/978-3-662-02601-4_8

Cited by 1 publication

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“…It therefore links increased degrees of freedom of movement with an expanded repertoire for the control of orientation of the trunk with respect to the supporting limbs. The supplementary motor area of the primate brain, a major target for the cortical reentrant projections from the basal ganglia, has been thought to be primarily responsible for the coordination of these types of axially based movements (Penfield & Welch 1951;Viallet et al 1990). On the other hand, the same region has received recent attention with regard to its possible role in the elaboration of voluntary movement based on internal context (Eccles 1982;Goldberg 1987;Kornhuber 1984;Orgogozo & Larsen 1979).…”

Section: Acknowledgmentsmentioning

confidence: 99%

A mobility gradient in the organization of vertebrate movement: The perception of movement through symbolic language

Golani¹

1992

Behav Brain Sci

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Ordinary language can prevent us from seeing the organization of whole-animal movement. This may be why the search for behavioral homologies has not been as fruitful as the founders of ethology had hoped. The Eshkol-Wachman (EW) movement notational system can reveal shared movement patterns that are undetectable in the kinds of informal verbal descriptions of the same behaviors that are in current use. Rules of organization that are common to locomotor development, agonistic and exploratory behavior, scent marking, play, and dopaminergic drug-induced stereotypies in a variety of vertebrates suggest that behavior progresses along a “mobility gradient” from immobility to increasing complexity and unpredictability. A progression in the opposite direction, with decreasing spatial complexity and increased stereotypy, occurs under the influence of the nonselective dopaminergic drugs apomorphine and amphetamine and partly also the selective dopamine agonist quinpirole. The behaviors associated with the mobility gradient appear to be mediated by a family of basal ganglia-thalamocortical circuits and their descending output stations. Because the small number of rules underlying the mobility gradient account for a large variety of behaviors, they may be related to the specific functional demands on these neurological systems. The EW system and the mobility gradient model should prove useful to ethologists and neurobiologists.

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Section: Acknowledgmentsmentioning

confidence: 99%

A mobility gradient in the organization of vertebrate movement: The perception of movement through symbolic language

Golani¹

1992

Behav Brain Sci

View full text Add to dashboard Cite

show abstract

Coordination Between Posture and Movement in Parkinsonism and SMA Lesion

Cited by 1 publication

References 13 publications

A mobility gradient in the organization of vertebrate movement: The perception of movement through symbolic language

A mobility gradient in the organization of vertebrate movement: The perception of movement through symbolic language

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