The sense of sameness, [459]. Conception defined, [461]. Conceptions are unchangeable, [464]. Abstract ideas, [468]. Universals, [473]. The conception 'of the same' is not the 'same state' of mind, [480].
Discrimination and Comparison, [483]
Locke on discrimination, [483]. Martineau ditto, [484]. Simultaneous sensations originally fuse into one object, [488]. The principle of mediate comparison, [489]. Not all differences are differences of composition, [490]. The conditions of discrimination, [494]. The sensation of difference, [495]. The transcendentalist theory of the perception of differences uncalled for, [498]. The process of analysis, [502]. The process of abstraction, [505]. The improvement of discrimination by practice, [508]. Its two causes, [510]. Practical interests limit our discrimination, [515]. Reaction-time after discrimination, [523]. The perception of likeness, [528]. The magnitude of differences, [530]. The measurement of discriminative sensibility: Weber's law, [533]. Fechner's interpretation of this as the psycho-physic law, [537]. Criticism thereof, [545].
Association, [550]
The problem of the connection of our thoughts, [550]. It depends on mechanical conditions, [553]. Association is of objects thought of, not of 'ideas,' [554]. The rapidity of association, [557]. The 'law of contiguity,' [561]. The elementary law of association, [566]. Impartial redintegration, [569]. Ordinary or mixed association, [571]. The law of interest, [572]. Association by similarity, [578]. Elementary expression of the difference between the three kinds of association, [581]. Association in voluntary thought, [583]. Similarity no elementary law, [590]. History of the doctrine of association, [594].
The Perception of Time, [605]
The sensible present, [606]. Its duration is the primitive time-perception, [608]. Accuracy of our estimate of short durations, [611]. We have no sense for empty time, [619]. Variations of our time-estimate, [624]. The feeling of past time is a present feeling, [627]. Its cerebral process, [632].