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Literature DB >> 7236761

Simulation of head movement trajectories: model and fit to main sequence.

Abstract

A sixth order nonlinear model for horizontal head rotations in humans is presented and investigated using experimental results on head movement trajectories and neck muscle EMG. The controller signals, structured in accordance with time optimal control theory, are parameterized, and controller signal parameter variations show a dominating influence on different aspects of the head movement trajectory. The model fits the common head acceleration types over a wide range of amplitudes, and also less common (dynamic overshoot) trajectories.

Entities: Disease Species

Mesh：

Year: 1981 PMID： 7236761 DOI： 10.1007/bf01836124

Source DB: PubMed Journal: Biol Cybern ISSN： 0340-1200 Impact factor: 2.086

27 in total

Simulation of head movement trajectories: model and fit to main sequence.

1. Mechanism of saccadic eye movements.

2. Muscle spindles in human extrinsic eye muscles.

Review 3. Reticulospinal projections to spinal motor nuclei.

4. Quantitative analysis of activity in eye muscle motoneurons during saccadic eye movements and positions of fixation.

5. The human eye-movement mechanism. Experiments, modeling, and model testing.

6. A mathematical model of air and water caloric nystagmus.

7. Neural control of head rotation: electromyographic evidence.

8. The role of vestibular and neck afferents during eye-head coordination in the monkey.

9. Firing patterns of abducens neurons of alert monkeys in relationship to horizontal eye movement.

10. Slow saccades in spinocerebellar degeneration.

1. Postural maintenance during movement: simulations of a two joint model.

2. Dissociation of eye and head components of gaze shifts by stimulation of the omnipause neuron region.

3. Late agonist activation burst (PC) required for optimal head movement: a simulation study.

4. Muscle models: what is gained and what is lost by varying model complexity.

5. "Adequate control theory" for human single-joint elbow flexion on two tasks.

6. A kinematic theory of rapid human movements. Part I. Movement representation and generation.

7. Sensitivity analysis and optimization for a head movement model.

8. Behaviour space of a stretch reflex model and its implications for the neural control of voluntary movement.

9. Hierarchical control of two-dimensional gaze saccades.

10. Visual, vestibular and voluntary contributions to human head stabilization.