Monday, June 6, 2011

Hearing loss

Hearing loss is the reduction of auditory acuity (no more than 20decibels). When hearing acuity is greatly diminished or disappears completely, it is about deafness.

Hearing organ consists of a unit of perception and a transmissiondevice. Depending on the affected side, there are two types ofhearing loss: perception and transmission.

Perception hearing loss is characterized by a decrease in thetransmission of auditory acuity is good, but the perception isflawed.
Hearing loss is the transmission of auditory acuity reduction of harm due to external or middle ear.

The degree of hearing loss is determined by tonal audiometry.According to him, hearing loss is classified into four categories:mild, moderate, severe or profound, each corresponding to adifferent degree of loss of tone and with different repercussions onlanguage learning in children.

Hearing is essential for the harmonious development of children'slanguage. Therefore, hearing loss, depending on the degree of hearing loss, will disturb more or less degree of communicationand language development, social development and integration.

No comments:

Post a Comment