Preamble: The Meaning of the Term Referent Control |
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xiii | |
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1 Running Away from KGB Informers to Neuroscience |
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1 | (12) |
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1.1 Switching from Physics to Neuroscience |
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1 | (3) |
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1.2 Moscow Biological School |
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4 | (9) |
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2 Action and Perception in the Context of Physical Laws |
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13 | (20) |
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2.1 The Purpose of Scientific Inquiry About Action and Perception |
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14 | (1) |
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2.2 Harmonizing Motor Actions with Physical Laws |
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15 | (7) |
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2.2.1 Law-Constrained Variables and Parameters of Physical Laws |
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16 | (2) |
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2.2.2 Harmonizing Control of Actions with Physical Laws |
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18 | (4) |
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2.3 Parametric Control of Posture and Movement |
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22 | (5) |
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2.4 Remarkable Features of Parametric Control |
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27 | (2) |
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2.5 Questioning the Validity of the Efference Copy Concept for Motor Control |
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29 | (1) |
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2.6 A Historically Perpetuated Error in Thinking About How Motor Actions Are Controlled |
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30 | (2) |
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2.7 Perception in the Context of Physical Laws |
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32 | (1) |
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3 Referent Control as a Specific Form of Parametric Control of Actions: Empirical Demonstrations |
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33 | (50) |
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3.1 Earlier Demonstrations of Referent Control in Humans |
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34 | (6) |
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3.2 Referent Control of Actions in Animals |
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40 | (7) |
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3.2.1 Control of Spatial Thresholds of Reflexes: Matthews' (1959) Experiments |
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40 | (4) |
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3.2.2 Descending Brain Systems Control Spatial Thresholds for Muscle Activation |
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44 | (2) |
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3.2.3 Neither Central, nor Afferent Influences Per Se Pre-determine Motor Commands to Muscles |
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46 | (1) |
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3.2.4 Is Referent Control Compatible with Results of Deafferentation? |
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46 | (1) |
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3.3 Referent Control Underlies Both Slow and Fast Movements |
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47 | (4) |
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3.3.1 Threshold Position Resetting: A Fundamental Control Principle Underlying Both Slow and Fast Movements |
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48 | (1) |
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3.3.2 Changes in the Referent Arm Configuration Underlie Arm Reaching Movement |
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49 | (2) |
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3.4 Shifts in the Referent Position of Body Segments Result in Motor Action |
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51 | (4) |
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3.5 Referent Control of Actions by the Corticospinal System in Humans |
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55 | (9) |
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3.5.1 Intentional Changes in the Wrist Joint Angle |
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55 | (5) |
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3.5.2 Corticospinal Influences During the Unloading Reflex |
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60 | (4) |
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3.6 The Motoneuronal Pool in the Context of Referent Control |
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64 | (4) |
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3.6.1 Spatial Recruitment of Motoneurons |
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64 | (1) |
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3.6.2 The Range of Threshold Position Control |
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65 | (1) |
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3.6.3 Muscle Activation in Dynamics |
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66 | (2) |
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3.7 Neurological Motor Disorders Resulting from Deficits of Referent Control |
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68 | (3) |
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3.8 Referent Control of Agonist and Antagonist Muscles |
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71 | (4) |
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3.9 Other Dynamic Aspects of Referent Control |
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75 | (5) |
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3.9.1 What Comes First: Muscle Activation or Shifts in the Equilibrium Point? |
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75 | (1) |
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3.9.2 Gradual Shift in the Equilibrium State: Importance for Regulation of Movement Extent, Speed, Duration and Rapid Action Sequences |
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75 | (4) |
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3.9.3 Threshold Control as an Optimal Control of Actions |
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79 | (1) |
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3.10 Major Departures from Conventional Views on Motor Control |
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80 | (3) |
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3.10.1 Descending Systems Influence but Do Not Pre-determine Motor Commands or Kinematics |
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80 | (1) |
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3.10.2 The First Clue to How the Nervous System Solves Redundancy Problems |
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81 | (2) |
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4 Physiological Origin and Feed-Forward Nature of Referent Control |
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83 | (14) |
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4.1 Physiological Origin of Referent (Threshold Position) Control |
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84 | (4) |
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4.2 Taking Advantage of the Feed-Forward Nature of Referent Control During Motor Learning |
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88 | (9) |
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4.2.1 Feed-Forward Setting of Thresholds in Anticipation of Perturbation (TMS Studies) |
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88 | (5) |
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4.2.2 Further Implications of the Feed-Forward Nature of Referent Control |
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93 | (4) |
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5 Different Forms of Referent Control |
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97 | (32) |
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5.1 The Physiological Origin of Different Forms of Referent Control |
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98 | (11) |
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5.1.1 The Basic Neurophysiological Rule |
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98 | (1) |
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5.1.2 The Referent Body Configuration |
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98 | (3) |
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5.1.3 Referent Coactivation Command |
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101 | (1) |
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5.1.4 The Referent Body Location in the Environment |
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102 | (2) |
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5.1.5 The Referent Body Orientation Relative to Gravity Direction |
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104 | (3) |
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5.1.6 Other Forms of Referent Control |
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107 | (2) |
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5.2 Referent Control of Motionless Actions |
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109 | (2) |
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5.2.1 Grip Force Production |
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109 | (1) |
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5.2.2 Pushing Against a Wall |
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110 | (1) |
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5.3 Referent Control of Movement |
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111 | (3) |
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111 | (1) |
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5.3.2 Sit-to-Stand Movements |
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112 | (2) |
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5.4 Arm Reaching Movements |
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114 | (6) |
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5.4.1 Referent, Equilibrium and Actual Hand Trajectories |
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115 | (3) |
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5.4.2 Adaptation of Reaching Movements to Gravity: A Possible Role of Proprioception |
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118 | (1) |
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5.4.3 Referent Corrections of Reaching Movements: Feed-Forward Aspects |
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119 | (1) |
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5.5 Referents as Attributes of Physical Frames of Reference |
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120 | (5) |
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5.5.1 Physical Versus Mathematical Frames of Reference |
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120 | (1) |
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5.5.2 Transitions from One to Another Frame of Reference |
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121 | (4) |
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5.6 Optimality of Actions in the Context of Referent Control |
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125 | (1) |
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5.7 Synergies in the Context of Referent Control |
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126 | (1) |
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5.8 Testing the Principle of Biomechanical Correspondence |
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127 | (2) |
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6 Solutions to Classical Problems in the Control of Motor Actions |
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129 | (44) |
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6.1 Mechanical Reductionism in Behavioral Neuroscience |
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129 | (4) |
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6.2 The Posture-Movement Problem |
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133 | (5) |
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6.2.1 Converting Posture-Stabilizing to Movement-Producing Mechanisms |
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133 | (3) |
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6.2.2 Referent Control of Muscle Co-activation in the Context of the Posture-Movement Relationship |
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136 | (1) |
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6.2.3 Hybrid Schemes of Action Control: Are They Physiologically Feasible? |
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137 | (1) |
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6.3 Specifying a Particular Position or Isometric Torque |
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138 | (2) |
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6.4 Central Pattern Generators in the Context of Referent Control |
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140 | (10) |
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6.4.1 A Major Problem of the Existing CPG Concept |
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141 | (1) |
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6.4.2 Integration of Central and Afferent Signals in Normal Conditions |
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142 | (2) |
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6.4.3 Re-defining the CPG Concept |
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144 | (4) |
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6.4.4 Resetting of Spatial Thresholds Versus Gating of Reflexes |
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148 | (1) |
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6.4.5 Control of Posture and Gait May Not Rely on Internal Representations of the Center of Body Mass or Base of Support |
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149 | (1) |
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6.5 Sherrington's Versus Graham Brown's Views on Sensorimotor Integration: A Contest Without a Winner |
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150 | (2) |
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6.6 The Relationship Between Postural and Gait Stability |
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152 | (4) |
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6.6.1 Human Gait Remains Stable at Every Instance |
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153 | (1) |
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6.6.2 Posture and Movement Are Stabilized by Common Mechanisms |
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154 | (1) |
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6.6.3 Referent Control in the Context of the Dynamic Systems Theory |
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155 | (1) |
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6.7 Testing Some Aspects of Referent Control of Human Gait |
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156 | (4) |
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6.7.1 Permanent Phase Resetting of Gait Rhythm in Response to Perturbation |
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156 | (1) |
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6.7.2 Minimization of Activity of Leg Muscles at Specific Phases of Gait |
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157 | (3) |
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6.8 Referent Control of Body Shape and Swimming in Lampreys |
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160 | (5) |
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6.9 More About Stability of Posture and Movement |
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165 | (8) |
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6.9.1 Referent Control Ensures Stability of Posture and Movement Despite Electromechanical and Reflex Delays |
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165 | (1) |
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6.9.2 Typical Errors in Evaluations of Stiffness and Damping |
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166 | (1) |
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6.9.3 Movement Equifinality and Its Violations in the Context of Referent Control |
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167 | (2) |
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6.9.4 Effects of Coriolis Force as Evidence That No Internal Models of Force Fields Are Built During Motor Learning |
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169 | (4) |
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173 | (20) |
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7.1 Fundamental Role of the Environment in Solving Redundancy Problems |
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174 | (2) |
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7.2 Multi-muscle Control Without Redundancy Problems |
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176 | (2) |
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7.3 Control of Reaching Movements Without Redundancy Problems |
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178 | (11) |
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7.3.1 Possible Neural Basis of Referent Control of Reaching |
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178 | (1) |
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7.3.2 The Minimization Principle and Rank-Ordered Timing of Different Forms of Referent Control Involved in Reaching |
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179 | (9) |
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7.3.3 Other Approaches to Redundancy Problems |
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188 | (1) |
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7.4 From Intention to Action: The Mapping Problem, Its Solution and Relation to Redundancy Problems |
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189 | (1) |
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7.5 Visio-Control Mapping for Locomotion |
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190 | (1) |
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7.6 Learning, Memory and Physical Properties of the Environment in Referent Control |
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191 | (2) |
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8 Action-Perception Coupling |
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193 | (30) |
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8.1 Position Sense and Sense of Effort |
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194 | (8) |
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8.1.1 Position Sense Rule |
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195 | (2) |
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8.1.2 Position Sense in Different Conditions |
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197 | (2) |
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8.1.3 Kinesthetic Illusions Elicited by Tendon Vibration |
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199 | (1) |
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8.1.4 Phantom Limb Phenomenon and Mirror Therapy of Phantom Limb Pain |
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200 | (1) |
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8.1.5 Kinesthetic Illusions Resulting from Electrical Brain Stimulation (Phantom Person and Awareness of Motion) |
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200 | (1) |
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8.1.6 Position Sense and Sense of Effort |
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201 | (1) |
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8.1.7 Predictive Nature of the Position Sense Rule |
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202 | (1) |
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8.2 The Referent Body Configuration as a Basis for the Body Schema |
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202 | (2) |
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8.3 Reaching Different Body Sites in Humans and Spinal Frogs |
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204 | (2) |
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8.4 Information Transmitted by Ascending Pathways to the Brain |
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206 | (1) |
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8.5 Referent Control of Eye Movements |
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207 | (9) |
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8.5.1 Referent Control of Gaze |
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207 | (3) |
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8.5.2 Controversies About the Existence of Stretch Reflexes in External Ocular Muscles |
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210 | (2) |
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8.5.3 Referent Control of Pursuit and Saccadic Eye Movements |
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212 | (3) |
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8.5.4 Questioning the Feasibility of the Pulse-Step Model for Motor Control |
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215 | (1) |
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216 | (2) |
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8.7 Referent Control of Optomotor Behaviors in Insects |
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218 | (5) |
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8.7.1 Referent Control of Body Turns |
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220 | (1) |
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8.7.2 The Optomotor Reflex |
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220 | (1) |
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8.7.3 Self-Initiated Body Turns |
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221 | (1) |
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221 | (2) |
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9 Afterword: Major Lessons and Perspectives |
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223 | (6) |
References |
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229 | (12) |
Index |
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241 | |