Subject Index (Letters after page numbers: f=figure; n=foomote; t=table) A Abduction (movement), 358 Acceleration of movement effect of visual information on, 179 during grasping. 145,146,148 and object velocity. 148 peak, of transport component, 145 in perturbation studies, 159, 161 during pointing, 146 profie. and central vision, 18 1-83, 182f time, 126f Accessibility consvaints and grasp component, 151-52 and transport component, 151-52 Accuracy, of performance, and visual Acetylcholine, and sweating, 218 Action theory, of planning of prehension, 64 Activation function, of a neural network, Active manipulation, 336-37 Active touch, 229,267f. 268.2%. 298,336 Actual Grasp Schema, 195f. 196,291f Adaptation, by a neural network, 389-95 Adduction (movement), 358 Adduction grasp, 19t, 28f. 29.35.36.3726 Adhesion, of skin, 212f. 212-13 Amonton's laws of friction (equation), 211, 309. Coefficient of friction; Cone of friction; Friction Analytic measures, of grasps, 264-66.332 Anamcal constraints, on grasping, 325 Anatomy, upper limb innervation, 359-67,365f, 366-67t joints, movement, and degrees of freedom, muscles, 359.3604% planes of the body, 349-50 skeletal smcture, 351 Aperture effect of visual information on. 178-86 grasp information, 199-200 385-86.386f 375-76.380 35 1-59 and opposition vector, 145-46 and perturbations of object dimtion, 16Of maximum. Aperture, peak peak and Coordinated Control Program, 190-91 and lack of sensory information, 189 and movement time, 150 and object size, 152, 169,170f. 172f and pad opposition, 169 and palm opposition, 169 and peripheral vision, 181f in perturbation studies, 145,167 and precision requirements, 169 463 in perturbation studies, 158f. 159, 167 profiles, 49-51.50f. 52f Ap&rine glands, 214 Approach vector and opposition vector, 106f. 107,151, 288f and virtual fingers. 151 Approach Vector Selector model, 98-101, 99f. loof. 188 Arm. see alsQ Forearm; Transport component; Upper limb ballistic contmller of, 129 ballistic movement of, 148 degrees of freedom, 113-14,354t and hand, sensorimotor integration of perturbation studies, 156-66 in reaching and grasping, 141-46 task requirements and object propexties, 146-56 innervation, 368t joints, 361t movements, control of, 118-44 muscles, 361t in perturbation studies, l58f. 159 and sensory information. 199 skeletal structure, 352f trajectories, 129f ARMAX computational model, 148 Artificial hand. % Prosthetic hand Artificial neural networks. sec; Neural networks Assemblage models of prehension, 383 Asymmetric velocity profiles, 123,125,127, 128,130f. Fins' Law; Recision requirements Autonomic motor system, and eccrine sweat glands, 214-222,221f, 2972 B Backward chaining, of expert systems, 84 Bag, hooking over fingers, 36 Ball, as grasped object, 21,3 1 Ball grasp, 19t, 37Ot Ballistic controllers, 11 1 movement. 53.11 1,148 Ballpark model of prehension, 56f, 56-57, 187-89, 188f, 200-201,294 Basketball, as grasped object, 237 Baton, twirling, 276-78,277f Bearing, ball, as grasped object, 21 Behavioral studies, in relation to prehension, 9 Binocular vision. and distance information, 184 Biomechanical constrajnts, on grasping, 325
464 THE GRASPING HAND level, of mapping, 32Of. 321,340f. 341 Black box view of prehension, 6,7f, 43f, 198f, 28Of. 329,330f Body, planes of, 349,350f Bones ~~~~~ of arm, 352f 354t of forearm, 352f, 354t of hand, 352f, 3535 354t. 35% of shoulder girdle. 352f. 354t of upper limi, 351,352f Bottle, removing plug from, as grasped object, 52f Boundary lubrication, 216,219,221f, 297f Box, as grasped object, 21 Brain. Central nervous system (CNS) Brodmann's Areas, of brain, 175,176 C Canadian Institute for Advanced Research (CLW, vi Capture Phase, 296 Cartesian swce. 240.241.242 CCP. Csorr&ateh ~Ontrol Program (CCP) Central nervous system (CNS) aperture, selecting, 94 compared to computational nervous system, in robotics, 32Of and constraints on grasping, 311,314-16 as controller of hand, 6 and grasping, 73f and hand movement, 6, 176f motivational systems, 71f and motor control, 113-14, 118-23, 121, 174-78 and motor planning, 72-76,74f motor systems, 71f, 73f, 120-21 object perception by, 75-76 perception of opposable surfaces by, 81-83 and planning opposition space, 70-76.289 and proximal muscles, 174 and sensory information processing, 58-59,201,222-28 sensory systems, 71f and setting up opposition space, 174-78, 294 and specific task and object properties, 294 and visually directed reaching and grasping, 175 Central vision and acceleration profile, 181-83, 182f and grasping, 178,179,181-84,182f and transport com Centralized grasp, 3$nenL 200 Cerebellum, and control of reaching and grasping, 175 CerebrocerebellumParvo Red Nucleus system, and control of voluntary movement, 141 Chalk, as grasped object, 27 Cholinergic fibers, and sweating, 218,221f Chopsticks, as grasped objects, 36,375 Chuck grasp, 2Ot, 37Ot. 371t CIAR (Canadian Institute for Advanced Research), vi Cigarette as grasped object, 29.31.263 lighting, 25,271 Cinematography, and study of movement, 144n Circular grasp, 26f Circumduction (movement), 358 Classification, prehensile. See alsQ Conceptual models of prehension; Grasping dynamic gras 25 30,26f, 28f. 42 and function&, ;8 hand postures, 17-18, lSf, 19-2Ot, 21-22, 42,369-73,370-71t, 372ff Opposition Space model, 30-36,32f, 34f, 38-45 quantification of grasps, 36-45,38f, 40f summary table, 19-20t. 370-71t by task, 22-25,24f, 42 Claw grasp, 30 Clench grasp, 78f Climbing object, as dynamic hand movement, -IT-+. LlLL CNS. see Central nervous system (CNS) Coal hammer grasp, 24f, 35,36,380 Coefficient of friction. Amonton's laws of friction (equation); Cone of friction; Friction definition, 21 1,309,343 and object properties, 281 static, 249,309 Collagen, 207,210 Collect enclosure grasp, 2Ot, 371t Collective finger movements, 174,175 Collective grasp. 171 Combined grasps, 2Ot, 35-36,37Ot, 377-80, 378-79t ~~. Compliance, 20%. 264,265,268t. 332 Compliance center, 247 Compliant motion, 111,228,285,300-301 Commession, and skin, 210 Combtationd models-of prehension. See also COnCepNal models of prehension; Expert systems; Neural networks adaptation, 389-95 for arm trajectories, 127-28, 129f. 200 definition, 381 for generating motor toques, 138-41, 139f. 200 of motor commands, 201 and parallel distributed processing. 383, 387-88 for preshaping and enclosing, 189-91, 190f (Letters after page numbers: f=figure; n=footnote; t-table.)
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