INDEX 



Tokens, 201 

 Topology, 241 

 Tract, anatomical, 218 

 Training, 4, 110 

 Trajectory length, 150 

 Transducer, 270 

 Transformation, 249 

 Transition, 18, 243 

 Trial and error, 82 

 Trial duration. 120 

 Type-problem, 12, 62, 80 



Ultimate effects, 278 

 Ultrastable system, 80, 98, 27G 

 Uniselector, 103 

 Unstable equilibrium, 44 



Unusual, 116 

 Urinary bladder, 92 



Variable, 14, 30, 71, 243 

 Variable, essential, 42 

 Variable, main, 93 

 Veto, 79, 86 

 Vicious circle, 53 

 Vocal cords, 220 



Watt's governor, 44, 48, 50 

 Whole system, 56, 156 

 Wireless, 52 

 Wolfe, J. B., 201 



Young, J. Z., 124 



286 



