Psychology as a description of processes of consciousness--The metronome--The rhythmical disposition of consciousness--The scope of consciousness--The threshold of consciousness--The fixation-point and field of consciousness--The focus of attention--The scope of attention--Apprehension and apperception CHAPTER II THE ELEMENTS OF CONSCIOUSNESS Psychical elements and compounds--Sensation and idea--Memory images and perceptions--Quality and intensity of sensations--Feelings--Difference between sensation and feeling--The three pairs of feelings--The affective process--Emotions and moods--Volitional processes--Motives--Instinctive, voluntary, and discriminative actions--The qualities of feelings--Feeling and apperception CHAPTER III ASSOCIATION Associations and apperceptions--The fusion of tones into clangs--Spatial and temporal perception --Assimilation and dissimilation--Direct and reproduced forms of the same--Complications--The recognition and cognition of objects--Successive association--The so-called "feeling of familiarity"--Secondary ideas --The affective processes in recognition--The so-called states of consciousness in forgetting, remembering, &c. --Memory associations CHAPTER IV APPERCEPTION General characteristics of apperceptive combinations as compared to associations--The aggregate idea and its analysis--Concrete and abstract thought--Speech and thought--Understanding and imagination--Examples of primitive forms of speech in the language of primitive races--Development of apperceptive combinations out of associative ones--Inadequacy of the method of introspection in dealing with the psychological problems of thought--Psychology of language and race CHAPTER V THE LAWS OF PSYCHICAL LIFE The relation between psychical and natural laws--The psycho-physical individual--The question as to the universal validity of the laws--The principle of creative resultants--The principle of heterogony of ends--The principle of conditioning relations--The principle of intensifying contrasts--The psychological and physical standpoints--Relation between physical and psychical values--Physical and psychical elements--The nature of the soul--Mythological views--The "substance" hypothesis--The principle of the actuality of mind AN INTRODUCTION TO PSYCHOLOGY CHAPTER I CONSCIOUSNESS AND ATTENTION