Chapter XVII

; begins with duration, 280; no sense of empty time, 281; compared with perception of space, 282; discrete flow of time, 282; long intervals conceived symbolically, 283; we measure duration by events that succeed in it, 283; variations in our estimations of its length, 283; cerebral processes of, 286

Touch, 60 ff.; centre of, in cortex, 116; images of, 308

Transcendental self or ego, 196

Transitive states of mind, 160

Translation, sense of, 76

Trapezium, 85

TURNER, Dr. J. E., 440

Tympanum, 48

Types of decision, 429

Unity of the passing thought, 196

Universal conceptions, 240

URBANTSCHITCH, 25

Valve of Vieussens, 80, 86

Variability of the emotions, 381

Varying concomitants, law of disassociation by, 251

Ventricles, 79 ff.

VIERORDT, 71

Vision, 28 ff.; binocular, 33-9; of solidity, 37

Visual centre of cortex, 110, 115

Visual imagination, 302

Visualizing power, 302

Vividness, determines association, 264

Volition, see _Will_

VOLKMANN, 285

Voluminousness, primitive, of sensations, 335

Voluntary acts, defined, 92; voluntary attention, 224; voluntary trains of thought, 271

Weber's law, 17, 24, 46, 59

Weber's law--weight, 66; pain, 67

Weight, sensibility to, 66 ff.

WERNICKE, 109, 113, 115

WESLEY, 223

WHEATSTONE, 347

WIGAN, 300

Will,