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Title: Vocal degeneration in man : a comparative treatise on the larynx in relation to voice production
Author: Dodds, Thomas George Boswall
Awarding Body: University of Edinburgh
Current Institution: University of Edinburgh
Date of Award: 1905
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In the following thesis an attempt has been made to give reasons for the differences between good and bad voice, dealing only with the condition of the vocal muscles in relation to the aperture of the glottis in vertebrate animals, and having no regard for the variations in shape of the resonating cavities above. My own voice being more than commonly poor, I felt that a true diagnosis of the cause would aid greatly in discovering a reason for similar weakness in others. That some definite principle in respect of the natural plan of the larynx as an instrument of sound might be arrived at, many dissections were made at 'the Zoological Gardens in London by kind permission of Mr. Beddard the prosector. The voices of children, and of the lower animals were also studied, in the hope that they might afford some clue to the cause of voice degeneration in so many adults. Text books on the larynx make little mention of those muscles that are here particularly concerned, and, so far as I can tell, nothing has yet been written treating this subject anatomically and Physiologically. Much of the information in the first part of this essay has been taken from the works of Huxley, Cheauveau, Owen, Wiedersheir, Gegenbaur, Lathan and others, as it was impossible to obtain a specimen of every larynx described. If I have run counter to the opinions of many eminent authorities, it is because I have been driven to the belief that the average human larynx is a partially crippled organ and that from such no true conception of the voice can be gained.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (M.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available