Rehabilitation Sciences 3061A/B Lecture 2: Lecture 2: CSD
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Department
Rehabilitation Sciences
Course
Rehabilitation Sciences 3061A/B
Professor
Emily Knight
Semester
Winter

Description
WEEK 2: Historical Perspectives on the CSD Professions Early Evidence of Rehabilitation Speaking trumpet described in Homers The Iliad (850BC) Guy de Chauliac (1300 1380) French surgeon and physician o Stuttering caused by excessive moisture or dryness of the tongue or brain o Treatments for stuttering involved adjusting the bodys humors 16 Century Simple technologies developed for disabling conditions Italian physicians Cardano Battista Porta o Hearing aids: ear trumpet, bone conduction rods 19 Century 1819: Acoustic Chair o Spanish King Jon VI hard of hearing o Manufactured by British firm R.C. Rein Son King John VI used the throne from about 1819 until his death in 1826, while ruling from Brazil. The Kings chair was equipped with a large receiving apparatus concealed be neath the seat. Its hollow arms were elaborately carved to represent the open mouths of grotesque lions and were arranged to act as receivers through which sound was conveyed via a single tube hidden in the back of the chair. Visitors were required to knee l before the chair and speak directly into the animal heads. Bone Conduction Fan (R.S. Rhodes: patent 1879) 30dB gain Equivalent to reducing listening distance from 64 to 2 Helpful for those with a conductive hearing loss Gesner, Johann (1738 1801) German physician and scholar Focused on neurological condition aphasia Series of case studies with symptoms described as speech amnesia Nonsense speech but can still understand what youre saying Thelwall, John (17641834)
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