Studies in the Psychology of Sex

Definition of Instinct — The Sexual Impulse a Factor of the Sexual Instinct — Theory Of the Sexual Impulse as an Impulse of Evacuation The Evidence in Support of this Theory Inadequata — The Sexual Impulse to Some Extent Independent of the Sexual Glands — The Sexual Impulse in Castrated Animals and Men — The Sexual Impulse in Castrated 7omen, after the Menopause, and in the Congenital Absence of the Sexual Glands — The Internal Secretions — Analogy between the Sexual Relationship and that of the Suckling Mother and her Child — The Theory of the Sexual Impulse as a Reproductive Impulse — This Theory Untenable — Moll's Definition — The Impulse 'of detumescencchthe Im pulse Of Contrectation — Modification of this Theory Proposed — Its Relation to Darwin's Sexual Selection — The Essential Element in Dar win's Conception — Summary of the History of the Doctrine of Sexual Selection — Its Psychological Aspect — Sexual Selection a Part of Natural Selection — The Fundamental Importance Of Tumescence — Illustrated by the Phenomena of Courtship in Animals and in Man — The Object of Courtship is to Produce Sexual Tumescence — The Primitive Significance of Dancing in Animals and Man — Dancing is a Potent Agent for Pro ducing Tumescencche Element Of Truth in the Comparison of the Sexual Impulse with an Evacuation, Especially of the Bladder — Both Essentially Involve Nervous Explosions — Their Intimate and Some times Vicarious Relationships — Analogy between Coitus and Epilepsy Analogy of the Sexual Impulse to Hunger — Final Object of the Impulses of Tumescence and Detumescence.

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