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Nerves and sensations, a few convolutions in the brain, acts of attention and observation, certain reactions following certain stimuli: the result, a world of worlds spread out before us; unlimited intellectual possibilities within our grasp! What is thinking? Thinking is an attempt to express infinite thoughts, affections, relations, and events, in finite terms. The child strings buttons.
This, in turn, comes from imagination which is probably the result of a sensitive nervous system, one that quickly and easily responds to stimuli. Those who have weak emotions do not respond so readily to impressions. Their assumption of superior wisdom has its basis only in a nervous system which is sluggish and phlegmatic to stimuli.
This inattention to the irritative motions occasioned by external stimuli is a very important circumstance in the approach of sleep, and is produced in young children by rocking their cradles: during which all visible objects become indistinct to them.
He hurried on, indifferent to the beauties of the country through which he wound, unimpressed by the oddities of the civilization with which he found himself confronted. His mind, intent on one thing, seemed unable to react to the stimuli of side-issues. From Kobe he caught a Toyo Kisen Kaisha steamer for Nagasaki and Shanghai.
This order conduces to an economy of time and strength; like a well-arranged museum, it saves the time and strength of inquirers. The child can therefore perform a greater quantity of work without fatigue, and can react to stimuli in a briefer space of time.
It is clear that a sufficiently ingenious person could manufacture a machine moved by olfactory stimuli which, whenever a dog appeared in its neighbourhood, would say, "There is a dog," and when a cat appeared would throw stones at it. The act of saying "There is a dog," and the act of throwing stones, would in such a case be equally mechanical.
The present life history with its varied experiences do but act as stimuli or as exciting factors to bring once more into activity functions which have been preserved in the organic structure of the nervous system.
Because the activities of children today are controlled by these selected and charged stimuli, children are able to traverse in a short lifetime what the race has needed slow, tortured ages to attain. The dice have been loaded by all the successes which have preceded.
He fatigues if we admit the localization of function to definite parts of the brain but one set of association tracts, but one group of cells, and yet, when he falls asleep, consciousness is not partially, but totally suspended. We must admit that the withdrawal of stimuli, or their monotonous repetition, are factors which do undoubtedly stand out as primary causes of sleep.
The light shining in at his window, the bell calling him to meet the day's schedule, the odor of food cooking in the kitchen, are physical stimuli calling out the response of his sense-perceptions; his mind begins at once to associate these impressions and to react upon his will until he gets out of bed and proceeds to prepare himself for the day.
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