
Perceptual-Motor Behavior in down's Syndrome
by Weeks, DanielRent Textbook
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Summary
Author Biography
Table of Contents
Preface | p. viii |
Acknowledgments | p. x |
Characteristics of Perceptual-Motor Behavior Associated With Down Syndrome | p. 1 |
Patterns of Muscle Activation in Simple Reaction-Time Tasks | p. 3 |
Movement Preparation and Simple Reaction Time | p. 4 |
The Proximal-to-Distal Phenomenon | p. 9 |
Performance Consistency and Patterns of Muscle Activation | p. 14 |
Conclusions | p. 19 |
Summary | p. 20 |
References | p. 21 |
Control of Manual Skills in Children With Down Syndrome | p. 25 |
Development of Abilities in Children With Down Syndrome | p. 26 |
Brain Structure and Function in Down Syndrome | p. 29 |
Motor Learning and Motor Control in Down Syndrome | p. 32 |
A Model for the Reach-to-Grasp Action | p. 33 |
Performance of Reaching and Grasping in Individuals With Down Syndrome | p. 36 |
Conclusions | p. 43 |
References | p. 45 |
Preparation and Control of Goal-Directed Limb Movements in Persons With Down Syndrome | p. 49 |
Perceptual-Motor Speed: A Review of Reaction Time and Movement Preparation Literature | p. 51 |
Rapid Limb Control: Vision and Kinesthesis in On-Line Regulation | p. 58 |
The Verbal Mediation of Goal-Directed Movement | p. 63 |
Motor Learning | p. 64 |
Conclusions | p. 66 |
Summary | p. 66 |
References | p. 67 |
Locomotor Patterns of Individuals With Down Syndrome: Effects of Environmental and Task Constraints | p. 71 |
Dynamic Principles in Locomotion Behavior and Sources of Constraints | p. 73 |
The Analysis of Locomotion in Down Syndrome | p. 74 |
Preliminary Work | p. 76 |
Conclusions | p. 94 |
Summary | p. 96 |
References | p. 97 |
Ophthalmic Factors in Down Syndrome: A Motoric Perspective | p. 99 |
Pathological Conditions | p. 101 |
Eyesight | p. 102 |
Refractive Error | p. 103 |
Conjugate Eye Movements | p. 106 |
Vergence and Accommodation | p. 109 |
Implications for Movement | p. 115 |
Conclusions | p. 116 |
Summary | p. 118 |
References | p. 119 |
Face Processing in Children With Down Syndrome | p. 123 |
Social Understanding in Children With Down Syndrome | p. 126 |
Understanding Others: Developing Face-Processing Skills | p. 128 |
Understanding the Information Available in Faces | p. 130 |
Face-Processing Ability in Children With Down Syndrome: Some Illustrative Experiments | p. 131 |
The Nature of the Deficit | p. 137 |
Perceptual-Matching Ability in Children With Down Syndrome | p. 138 |
Conclusions | p. 139 |
Summary | p. 141 |
References | p. 142 |
Motor Development, Learning, and Adaptive Change | p. 149 |
Sensorimotor Deficits in Down Syndrome: Implications for Facilitating Motor Performance | p. 151 |
Similarities to Individuals Without Down Syndrome | p. 153 |
Differences in Comparison to Individuals Without Down Syndrome | p. 162 |
Can Movement Clumsiness Be Attributed to Impaired Decision-Making in Down Syndrome? | p. 168 |
Conclusions | p. 168 |
Summary | p. 170 |
References | p. 171 |
Attention and Cognitive-Skill Acquisition | p. 175 |
Motor and Cognitive Skills | p. 176 |
Encoding Processes | p. 178 |
Decision Processes | p. 182 |
Response Processes | p. 185 |
Conclusions | p. 187 |
Summary | p. 191 |
References | p. 192 |
Motor Coordination in Down Syndrome: The Role of Adaptive Changes | p. 199 |
Main Problems of Coordination of Natural Movements | p. 200 |
The Problem of Motor Redundancy | p. 201 |
Structural Units and Synergies | p. 204 |
The Cerebellum | p. 207 |
Movement Patterns in Down Syndrome | p. 209 |
Practice Effects | p. 210 |
Adaptive Changes in the Central Nervous System | p. 214 |
Possible Routes to Optimization of Special Physical Education Programs | p. 218 |
Conclusions | p. 219 |
Summary | p. 220 |
References | p. 221 |
Motor Development in Down Syndrome: A Longitudinal Perspective | p. 225 |
Developmental Progress of Infants and Young Children With Down Syndrome | p. 226 |
Developmental Progress Into the School-Age Years | p. 228 |
Two Australian Studies | p. 230 |
Conclusions | p. 242 |
Summary | p. 244 |
References | p. 244 |
Current Research Strategies in the Investigation of Perceptual-Motor Behavior in Down Syndrome | p. 249 |
Information-Movement Coupling in Children With Down Syndrome | p. 251 |
The Functional Coupling of Information and Movement: Affordances, Constraints, and Information | p. 254 |
Research Strategy | p. 255 |
Grasping: Size as a Constraint | p. 256 |
Catching | p. 259 |
Posture and Optic Flow Information | p. 268 |
Conclusions | p. 270 |
Summary | p. 271 |
References | p. 271 |
Atypical Dynamics of Motor Behavior in Down Syndrome | p. 277 |
Periodicity as Patterned Behavior | p. 278 |
Clinical Studies | p. 283 |
Optical Flow and the Control of Posture | p. 290 |
Motion Sickness | p. 296 |
Conclusions | p. 298 |
Summary | p. 299 |
References | p. 300 |
A Functional-Systems Approach to Movement Pathology in Persons With Down Syndrome | p. 305 |
Handedness and Language Lateralization | p. 306 |
Cerebral Specialization for Haptic and Visual Processing | p. 309 |
Cerebral Specialization for Speech Production | p. 310 |
The Biological-Dissociation Model | p. 312 |
Speech Errors and the Dissociation of Speech Perception and Movement (Speech) Production | p. 314 |
Future Directions | p. 316 |
Conclusions | p. 316 |
Summary | p. 317 |
References | p. 317 |
Neurophysiological Correlates of Perceptual-Motor Behavior in Down Syndrome | p. 321 |
Materials and Methods | p. 328 |
Results | p. 330 |
Discussion | p. 337 |
Conclusions | p. 342 |
References | p. 343 |
Index | p. 348 |
About the Contributors | p. 358 |
About the Editors | p. 364 |
Table of Contents provided by Syndetics. All Rights Reserved. |
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