Sinossi
This historic book may have numerous typos, missing text, images, or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1881. Not illustrated. Excerpt: ... CHAPTER II. TRUE PERIOD OF EMISSION OF THE PROCESSES WHICH PRODUCE VOLUNTARY MOTION. SPONTANEOUS REACTION OF THE SENSORIUM. MOTIVED RESOLUTION. LET us now see how the different periods of voluntary activity are connected one with another, and how the physiological operation pursues its course. The process of external emission of the emotivity of the sensorium manifests itself externally, sometimes in a rapid and instantaneous manner, sometimes slowly, progressively, and after a greater or less period of time; this extrinsic revelation taking place either in the oral or graphic form, or in the shape of gestures more or less expressive, and varied attitudes. In the first case, when the voluntary motor phenomenon is an immediate translation of external impressions, the human personality, aroused and vibrating, rapidly responds to the impressions that affect it. It outwardly expresses itself directly, now in the form of connected articulate sounds, which are appropriate answers to the interrogations that excite it, now in current conversations, in injunctions of all kinds, prolonged discourses, in writings, expressive movements, etc., etc. It expends the stores of emotivity that are vibrating within it, and thus reflects the various sensitive currents that have set it vibrating. Sensibility, therefore, underlies every motor act of the organism; and when we immediately answer to demands, when we let ourselves act upon the natural impulses of our sensibility, and, as it is called, do things on the spur of the moment, it is our personality that expands spontaneously, without artifice or premeditation. It reacts with its native and even frank characteristics, as though we had to do with physiological phenomena in natural evolution; for in these circumstances ou...
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