INTRODUCTION—THE EVOLUTION OF THE AFFECTIVE LIFE 1✦

In all affective manifestations there are two elements: the motor states or impulses, which are primary; the agreeable or painful states, which are secondary—Unconscious (organic or protoplasmic) sensibility; micro-organisms—Chemical interpretation; psychological interpretation—Are there pure states of feeling?—Affirmative facts—The period of needs, the instinct of conservation-The period of primitive emotions—How they may be determined; the genetic or chronological method—Fear, anger, affection, the self-feeling, sexual emotion—Are joy and grief emotions?—The abstract emotions and their conditions—The passions are the equivalent in feeling of an intellectual obsession.

Part I.—GENERAL PSYCHOLOGY.

CHAPTER I.✦

PHYSICAL PAIN 25

Its anatomical and physiological conditions; pain nerves, transmission to the centres—Modifications of the organism accompanying physical pain: circulation, respiration, nutrition, movements—Are they the effects of pain?—Pain is only a sign—The analgesias: unconsciousness of pain and intellectual consciousness—Retardation of pain after sensation—Hyperalgesia—Nature of pain: theory that it is a sensation; theory that it is a quality of sensation—Pain may result from the quality or the intensity of the stimulus—Hypotheses regarding its ultimate cause: it depends on a form of movement, a chemical modification.

CHAPTER II.✦

MORAL PAIN 42

Identity of all the forms of pain—Evolution of moral pain: (1) the pure result of memory; (2) connected with representations; positive form, negative form; (3) connected with concepts—Its external study; physical signs—Therapeutics—Conclusions—A typical case of hypochondriasis.