The father remarks that about the end of the ninth week there was a vigorous use of the muscles of the arms and hands in aimless movement. This superabundance of muscular activity is important, as giving children the chance of finding out the results of their movements. C. was just ten and a half weeks old when he first showed himself capable lying on his back of turning his head to the side, and even of half turning his body also, in order to have a good view of his father moving away to a distant part of the room.
About the same date, too, purposive movements began to be clearly differentiated from expressive movements; such, for example, as the quick energetic movement of the limbs when excited by pleasure. For instance, on the seventy-second day the father was surprised and delighted to see the boy add to the usual signs of joy at his approach the movement of leaning forward and holding out the arms as if to try to get near. Was this, he asks, the sudden emergence of an unlearnt instinct, or was it an imitation in baby fashion of his elders’ behaviour when they took possession of him?
The gradual growth of a voluntary movement into a perfect artistic action nicely adjusted to some desired end was strikingly illustrated in the boy’s mastery of the grasping movement, the movement of stretching out the hand to seize an object seen. On the seventy-sixth day, the father writes, he had carefully watched to see whether the child could voluntarily direct his hand to an object. He had tried him by holding before him attractive objects, as a bit of coloured rag or his hand, which he would regard very attentively. For the last week or ten days he had been very observant of objects, including his own hands.
Among the objects that attracted him was his mamma’s dress, which had a dark ground with a small white flower pattern. On this memorable day his hand accidentally came in contact with one of the folds of her dress lying over the breast. Immediately, it seemed to strike him for the first time that he could reach an object, and for a dozen times or more he repeated the movement of stretching out his hand, clutching the fold and giving it a good pull, very much to his own satisfaction.
A hasty reasoner might easily suppose that the child had now learnt to reach out to an object when only seen. But the sequel showed that this was not the case. Four weeks later the diary observes that the child as yet made no attempt to grasp an object offered to him (although there were manifest attempts to uncover the mother’s breast). The clutching at the dress was thus a blind movement due to the stimulus of pleasurable elation. Yet it was doubtless a step in the process of learning to grasp.
The next advance registered occurred when the boy was a little over four months old. He would now bring his two hands together just above the level of his eyes and then gaze on them attentively, striking out one arm straight in front of him, and upwards almost vertically, as if he were trying some new gymnastic exercises, while he accompanied each movement with his eye, and showed the deepest interest in what he was doing. By such exercises, we may suppose, he was exploring space with hand and eye conjointly and noting the correspondences between looking in a given direction and bringing his hand into the line of sight.
The next noticeable advance occurred at the end of the nineteenth week. The boy’s father held a biscuit (the value of which was already known) just below his face and well within his reach. There was a very earnest look and then a series of rapid jerky movements of the hands. These were uncertain at first, but on repetition of the experiment soon grew more precise. At first the biscuit was dropped (the child had not yet learnt to handle things). But after repeated trials he managed to hold on to the treasure and bear it triumphantly to his mouth. The discovery of the new delight of thus feeding himself led to more violent efforts to seize the biscuit when presented again. Indeed, the youngster’s impatience led him to reach forward with the upper part of his body so as to seize the biscuit with his mouth. It may be added here as throwing light on the carrying of the biscuit to the mouth that the child had before this acquired considerable facility in raising his hand to his mouth and to the region of his head generally. Thus he had been noticed to scratch his head with a comical look of sage reflexion when he was fifteen weeks old.
The consummation of the act of seizing an object involving a perception of distance was observed when he was just six months old. The father writes: “I held an object in front of him two or three inches beyond his reach. The astute little fellow made no movement. I then gradually brought it closer, and when it came within his reach he held out his hand and grasped it. I repeated the experiment with slight variations, and satisfied myself that he could now distinguish with some degree of precision the near and the far, the attainable and the unattainable, that his eyes could now inform him by what Bishop Berkeley called visual language of the exact limit, the ‘Ultima Thule’ of his tangible world.” It is natural, no doubt, that the father should go off into another high flight here. But being a psychologist he might have moderated his parental elation by reflecting that his wonderful boy had after all taken six months to learn what a chick seems to know as soon as it leaves the shell. It is doubtful, indeed, whether Master C.’s hand could as yet aim with the precision of the beak of the newly hatched chick. If he had only chanced on a later decade he might have known that five months is the time given by a recent authority (Raehlmann) as the period commonly taken in learning the grasping movements, and so had his pride in his boy’s achievement wholesomely tempered.[[293]]
These early movements are acquired under the stimulus of certain impulses which constitute the instinctive basis of volition. Thus it is obvious that the movement of carrying to the mouth as also that of reaching and grasping was inspired by the nutritive or feeding instinct, that deep-seated impulse which is common to man and the whole animal kingdom, and is the secret spring of so much of his proud achievement. The impulse to seize and appropriate may perhaps be regarded as an instinct which has become detached from its parental stock, the nutritive impulse. Our observer remarks, with a touch of cynicism, that the predominance of the grasping propensities of the race was illustrated by the fact that his boy only manifested the impulse to relinquish his hold on an object some time after he had displayed in its perfection the impulse to seize or grasp an object. Thus it was some months later that he was first observed deliberately to cast aside, as if tired of it, a thing with which he had been playing.
One of the deepest and most far-reaching instincts is to get rid of pain and to prolong pleasure. In C.’s case the working of the first was illustrated in a large number of movements, such as twisting the body round, scratching the head, and so forth. An illustration of the impulse to renew an agreeable effect occurred in the early part of the eighth month. The child was sitting on his mother’s lap close to the table playing with a spoon. He accidentally dropped it and was impressed with the effect of sound. He immediately repeated the action, now, no doubt, with the purpose of gaining the agreeable shock for his ear. After this when the spoon was put into his hand he deliberately dropped it. Not only so, like a true artist, he went on improving on the first effect, raising the spoon higher and higher so as to get more sound, and at length using force in dashing or banging it down.