Mental development and education . Fig. 44. - Chair and deskillustrating proper seating ofpupil. 240 MENTAL DIA KLOPMKNT AND KDUCATION. (k-sk, with his lungs conslrictcd,is in a good condition to en-courage day-dreaming and nap-ping. In such circumstances,the organism is apt to becomeclogged since it does not receiveits due allowance of oxygen, asa result of which the brain willslow down in its action. Whohas not seen a room full of seekersafter knowledge, lying down ontheir desks, with all vital proc-esses impeded, and their mindsin a kind of stupor? Peoplesometimes put themselves tosleep by
Mental development and education . Fig. 44. - Chair and deskillustrating proper seating ofpupil. 240 MENTAL DIA KLOPMKNT AND KDUCATION. (k-sk, with his lungs conslrictcd,is in a good condition to en-courage day-dreaming and nap-ping. In such circumstances,the organism is apt to becomeclogged since it does not receiveits due allowance of oxygen, asa result of which the brain willslow down in its action. Whohas not seen a room full of seekersafter knowledge, lying down ontheir desks, with all vital proc-esses impeded, and their mindsin a kind of stupor? Peoplesometimes put themselves tosleep by deliberately assuming the attitudes which school seats often enforce upon one reflects upon the matter he can hardly fail to be impressed with the remarkable intricacy of the motor coordina-tions required in the proper control of the eyes. Dur-ing waking life theyare well nigh incessantlychanging their focus, for one thing, so as to bring within range of vision objects located in different parts of the visual field. In order to accomplish this they are equipped with ocular muscles so adjusted as to secure movements in
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