given that the most critical period for learning language is from birth to three years and that at least two objective and reliable procedures for evaluating the hearing of infants and pre-school children , impedance audiometry and brainstem evoked response audiometry , are becoming more readily available in the united states , it is no longer acceptable to support the `` '' wait and see '' '' approach in referring suspected hearing impaired children for auditory , speech , and language diagnostics and habilitative intervention .
C0021270
infants
C0008059
children