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About 10,000 papers for “Movement control”

Control of Movement

Richard W. Hill, Daniel J. Cavanaugh, Margaret Anderson · Animal Physiology · 2022

This chapter discusses neural control and coordination of movement, particularly the in terms of generation of motor behaviours such as walking, swimming, and flying. It explains that the neural control of skeletal muscle is the basis of animal behaviour, referencing how neural circuits produce relatively simple patterns of motor output to generate behavioural elements. Most animal behaviour consists of sequences of effector actions that result from sequences of motor output of the nervous system. Vertebrate spinal reflexes compensate for circumstance and initiate movement, while the neural generation of rhythmic behaviour involves a central pattern generator (CGP). The chapter then details the interaction of brain areas in movement control.

Cited by 0

Eye-Movement Control

Peter H. Schiller, Edward J. Tehovnik · Oxford University Press eBooks · 2015

Abstract This chapter examines the manner in which higher level organisms accomplish eye movements. The chapter has twelve sections. Section A outlines the basic facts about eye movements. Sections B and C describe the role the brainstem and the superior colliculi play in the control of eye movements. In sections D and E the cortical control of eye movements is described. In section F the effects of brain lesions are examined. In section G the role of excitatory and inhibitory circuits plays in eye-movement generation is described. In section H the neural control of smooth pursuit eye movements is outlined. Section I describes the neural mechanisms involved in keeping the two eyes in register. Section J describes the mechanisms involved in eye-movement stabilization. Section K discusses eye movements that arise during sleep. Section L provides an overview of the circuits involved in eye movement control. Section M provides a summary.

Cited by 0

Movement Control I

John L. Bradshaw, Jason B. Mattingley · Elsevier eBooks · 1995

Cited by 1

Distributed Movement Control

2001

autonomously operating mobile units Typically, the units (robots) in a swarm are � Very small � Very simple � Very limited in capabilities: • Weak energy resources • Limited means of communication • Limited processing power Fenruary 3, 2010 3 � Low cost: use several cheap & simple robots rather than single expensive one � Can solve tasks impossible for a single robot (e.g., sweep large regions) � Can perform risky / hard tasks in hazardous / harsh environments � Can tolerate destruction of some robots � Example applications:

Cited by 0

Movement Control and

Robert Coben, Alessio Avenanti, Michael A. Nitsche et al. · 2014

transcranial direct current stimulation on the recognition of bodily emotions from point-light displays. Front. Hum. Neurosci. 9:438. doi: 10.3389/fnhum.2015.00438 Effects of transcranial direct current stimulation on the recognition of bodily emotions from point-light displays

Cited by 0

Partial control and the movement towards Movement

Christine Pittman, Michael Barrie, Christine M. Pittman · 2004

In this paper we argue for a movement-based analysis of partial control following the ideas outlined in Hornstein (1999, 2001). Partial control is problematic for a raising analysis because the overt argument and the covert argument in the embedded clause are not, by definition, strictly identical. The overt argument is a subset of the covert argument. We argue that a movement analysis accounts for partial control if we maintain the θ-Criterion. Under our analysis, a DP is merged into subject position in the embedded clause and receives a θ-role. Later, it raises to the matrix clause and receives another θ-role from the matrix predicate. When the θ-Criterion is evaluated, the chain containing this DP will fail. We posit a mechanism of Chain-Splitting, which salvages the chain by splitting the chain into two smaller chains, each bearing a single θ-role. Once split, the covert chain in the embedded clause can be reinterpreted to be semantically plural, thus giving rise to partial control.

Cited by 0

Control of ocular movement.

R. B. Daroff · British Journal of Ophthalmology · 1974

The ocular-motor system is organized to concentrate the images received by the eye upon the fovea, the most sensitive area of the retina. The acquisition and maintenance of object images upon the fovea, together with their stabilization during head movements, constitute the basic roles of human eye movement. These movements are simply motor outputs in response to sensory (primarily visual) inputs, but the precision of the system represents the most extraordinary example of sensory-motor integration carried out by the brain. This elegant system of fine movement, coupled with the accuracy with which eye position can be measured and the obvious (and potential) clinical correlation, accounts for the voluminous output of eye movement research in recent years. This deep interest is reflected in past (Bach-y-Rita, Collins and Hyde, I97I; Dichgans and Bizzi, I972), present, and future symposia (a symposium entitled Basic Mechianisms of Ocular Motility and Their Clinical Implications is planned in Stockholm in June, I974). The enormity of the subject boggles the mind of someone preparing a short talk. I will not attempt an all-encompassing basic review of the subject but will concentrate upon: (i) Single unit recordings from the brain, (2) Extraocular muscle proprioception, (3) Some of our own investigations.

Cited by 3Open access

Hexapod Robot Movement Control

Kocich, Martin · Brno University of Technology Digital Library (Brno University of Technology) · 2024

At the beginning of the research, the skeleton of the hexapod robot was equipped with servomotors only and no control unit or sensors. The objective of this thesis is to develop an overall solution for the control of the robot in question. Furthermore, to create a graphical interface to control and monitor the robot using Qt environment. Raspberry Pi 4 and ROS software running on operational system Ubuntu 20.04 was chosen to control the hexapod. While researching available software options, an existing solution was found. This solution was extended with feedback from the servo motors and the control algorithms were modified. Furthermore, new hardware was tested, e.g.: cameras with depth sensing capability. The found solution is extended e.g. with additional motion modes, graphical interface, support for new hardware, updates to the outdated version of ROS and its components. All problems during the implementation of the solution have been sufficiently solved. This thesis walks through the entire research process and then breaks down the commissioning of the robot from skeleton to working solution.

Cited by 0Open access

Movement control test battery.

Peemongkon Wattananon (21101017), Aminu Alhassan Ibrahim (8811572), Sasithorn Kongoun (21101020) et al. · Figshare · 2025

<div> Background Patients with chronic non-specific low back pain (CNLBP) demonstrate movement control impairment (MCI) based on a 6-item motor control test (MCT) battery, suggesting its potential clinical utility. Objectives This study aimed to determine the criterion-related validity of the 6-item MCT battery in discriminating MCI among individuals with CNLBP, a history of low back pain (HxLBP), and no low back pain (NoLBP). Methods One hundred forty-one participants aged 20–40 years (47 participants per group) were recruited. The MCT battery (the waiter’s bow, pelvic tilt, sitting knee extension, quadruped rocking forward, quadruped rocking backward, prone knee flexion) was rated using different rating methods, including individual tests, summation, and direction-specific tests. A 2x2 contingency table using a known group against the rating result was used to calculate chi-square, sensitivity, specificity, and positive and negative likelihood ratios for each pair separately. Results Chi-square tests demonstrated significant associations (<i>P</i> < 0.05) between MCT and CNLBP when compared against NoLBP. In addition, the waiter’s bow and flexion-specific tests demonstrated high sensitivity (81% and 72%, respectively), while sitting knee extension, prone knee flexion, and summation demonstrated high specificity (70%, 70%, and 89%, respectively). Conclusion Findings suggest the acceptable validity of the MCT battery when compared between CNLBP and NoLBP. The waiter’s bow and flexion-specific tests effectively ruled out individuals with NoLBP with negative results, while sitting knee extension, prone knee flexion, and summation effectively ruled in the individuals with CNLBP with positive results. These findings highlight the clinical utility of these tests in assessing MCI in the lumbar spine. </div>

Cited by 0Open access

Eye movement control experiment.

Christina Moutsiana (347030), David T. Field (347031), John P. Harris (143023) · Figshare · 2015

&lt;p&gt;If the efficiency of fixation differed between experimental conditions, and the pattern of differences was similar to the differences in the BOLD signal and MAE between conditions, then eye movements could form the basis of an alternative explanation of our findings. We quantified the efficiency of fixation using the standard deviation of eye position in the horizontal and vertical directions. Panel a presents the eye movement data for the visual stimuli used in Experiment 1 (“fixation point” is equivalent to the resting baseline). Panel b shows the same data for the stimuli used in Experiments 2 and 3. The efficiency of fixation was similar across conditions, and there was no systematic pattern to suggest eye movements played a role in our findings. Error bars indicate one standard error.&lt;/p&gt;

Cited by 0Open access