Hearing Impairment

Dunn, L., Graubard, P., Harley, R. Jr., Hull, F., Hull, M., Martinson, R., McConnell, F., McIntosh, P., Wilson, M (1964). Intro to Exceptional Learner, Visual Impaired (pp. 183-185). USA.

A hearing disability is considered to have education significance when a defect in the ear and the nerve pathways prevents the child from hearing.
The most common used definition by special educators is: deaf-those whose hearing loss is so severe at birth and in the prelingual period that it precludes the normal, spontaneous development of spoken language. Partially hearing-those whose hearing loss i...