Bauhaus-Universität Weimar

HEARING. 
110 
After what has been said before it will hardly be necessary 
to point out that the various pleasures and disappointments 
enumerated in this section are composed of very slight emo¬ 
tional elements, require for their perception much trained 
attention and delicacy of nervous constitution, and belong 
consequently to the most distinctively aesthetic class. It is 
also clear that the pleasures arise from the maximum of 
stimulation with the minimum of fatigue; and that the 
disappointments, being due to breach of expectation and 
consequent upsetting of an organic rhythm, are traceable to 
the felt want of this harmonious species of stimulation. 
§ 6. Musical Tone. 
Several times in the course of the preceding sections allu¬ 
sion has been made to the pleasurableness of Musical Tones, 
coupled with a promise of its future explanation. At this 
point we now arrive. We have seen wherein these tones 
differ in intellectual discriminability from other sounds ; we 
have now to explain their emotional superiority. 
It was mentioned above that Musical Tones result from the 
periodic vibrations of an elastic or oscillatory body, and that 
their pitch depends upon the frequency per second of the 
aërial undulations so produced. It was also noticed that the 
mode of their perception is probably by sympathetic vibra¬ 
tions aroused in Corti’s organs, the elastic appendages to the 
nerve-terminations in the cochlea. As any single pure tone 
can only excite such sympathetic vibrations in a single one 
of Corti’s organs,* we not only see the reason why so large 
* This, which is doubtless strictly true of absolutely simple tones, like
        

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