{"id":13700,"date":"2017-09-10T07:37:54","date_gmt":"2017-09-10T07:37:54","guid":{"rendered":"http:\/\/nacersordo.com\/?page_id=13700"},"modified":"2018-01-19T12:55:52","modified_gmt":"2018-01-19T10:55:52","slug":"tipos-de-sordera","status":"publish","type":"page","link":"https:\/\/nacersordo.com\/en\/tipos-de-sordera\/","title":{"rendered":"Types of deafness"},"content":{"rendered":"
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Baby ear - Types of deafness<\/p><\/div>\n

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Types of deafness<\/h1>\n<\/div>
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According to the International Bureau of Audiofonology (BIAP<\/a>), hearing impairments are largely linked to a loss of perception of sounds<\/a> and speech in particular that contains high-pitched sounds and low sounds whose acoustic power is variable, therefore it can not be reduced to an average acoustic level. According to this, the following category is established:<\/span><\/p>\n<\/div>\n

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\n\n<\/span>\n<\/span>\n<\/span>\nInfranormal hearing<\/a>\n<\/div>\n
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The average tone loss does not exceed 20 dB. It is eventually a slight loss of tone without social impact.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>

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\n\n<\/span>\n<\/span>\n<\/span>\nMild or mild hearing impairment<\/a>\n<\/div>\n
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The average tone loss is between 21 dB and 40 dB. Speech with a normal voice is perceived, however it is difficult to perceive with low or distant voice. The majority of familiar noises are perceived.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>

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\n\n<\/span>\n<\/span>\n<\/span>\nMedium or medium grade hearing impairment<\/a>\n<\/div>\n
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First grade: The average tone loss is between 41 and 55 dB.
\n<\/span>Second degree:<\/span>The average tone loss is between 56 and 70 dB.
\nSpeech is perceived if the voice is raised a little. The subject understands better if he looks when they speak to him.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>

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\n\n<\/span>\n<\/span>\n<\/span>\nSevere hearing loss<\/a>\n<\/div>\n
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First grade: The average tone loss is between 71 and 80 dB.
\n<\/span>Second degree: The average tone loss is between 81 and 90 dB.
\nSpeech is perceived with a strong voice near the ear. The loud noises are perceived<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>

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\n\n<\/span>\n<\/span>\n<\/span>\nDeep hearing impairment<\/a>\n<\/div>\n
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First grade: The average tone loss is between 91 and 100 dB.
\n<\/span>Second degree: The average tone loss is between 101 and 110 dB.
\n<\/span>Third degree: The average tone loss is between 111 and 119 dB. No perception of the word. Only very powerful and strong noises are perceived.
\n<\/span>In case of not perceiving anything at 120 dB or higher, it is categorized as a total hearing impairment.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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