CHAPTER III.

PLEASURE 48

Subject little studied—Is Pleasure a sensation or a quality?—Its physical concomitants: circulation, respiration, movements—Pleasure, like pain, is separable: physical and moral anhedonia—Identity of the different forms of pleasure—The alleged transformation of pleasure into pain—Common ground of the two states—Hypothesis of a difference in kind and in degree—Simultaneity of two opposite processes: what falls under consciousness is the result of a difference—Physiological facts in support of the above.