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Clinical Research

Documented Research Supporting
Amplification for Students

The use of amplification as a remedial technique has been suggested for chiIdren with normal peripheral hearing who have phonlogical dissorders. Central auditory processing disorders (CAPD), and language learning disabilities. The goals of such intervention include increasing attention span, reducing distractibility, improving the signal-to-noise ratio, and increasing sound (phonological) awareness and discrimination2.

Amplification of frequencies from 2,500 and 6,000 Hz resulted in improvement8 in the areas of auditory memory articulation of complex words and intelligibility of phonetically balanced words11.

Project MARRS (Mainstream Amplification Resource Room Study) was the first study to report the use of sound field amplification for children with academic achievement deficits. The results indicated that target students in amplified classrooms demonstrated significantly improved Scholastic Reading Achievement scores 8,10.

REFERENCES

  1. Advance for Speech-Language Pathologists and Audiologists (2001), July 9. Sound Field Amplifcation for All: Data on the reduction of special education referrals can influence adminstrators, 11 (27), 10-11.
  2. American Speech-Language-Hearing Association (1991). Amplification as a Remediation Technique for Children With Normal Peripheral Hearing. Asha, 33 (Suppl. 3).22-24.
  3. Bess, F. H., Dodd-Murphy, J.and Parker, R.A. (1998). Children with minimal sensorineural hearing loss. Ear and Hearing, 19(5), 339-354.
  4. Flexer, C., (1989). Turn on sound: An odyssey of field amplification. Educational Audiology Association Newsletter, 5, 6.
  5. Nelson, Peggy B.. Soli, Sig. (October. 2000) Clinical Forum: Acoustical Barriers to Learning: Children at Risk in Every Classroom. ASHA, (31) 356-361.
  6. Nelson, Peggy B. (October 2000). Clinical Forum Prologue: Improving Acoustics in American Schools. Language, Speech, and Hearing Services in Schools. ASHA, (31) 354-355.
  7. Niska, A. S., Kieszak, S. M., Holmes, A., Esteban, E., Ruben, C. and Brody, D. J. (1998). Prevalence of hearing loss anomaly among children 6 to 19 years of age. Journal of the American Medical Association, 279 (14), 1071-1075.
  8. Ray, H., Sarff, L. S. and Glassford, J. E. (1984, Summer/Fall). Sound field amplification: An innovative educational intervention for mainstreamed learning disabled students. The Directive Teacher, 18- 20.
  9. Ross, M., (1990). Definitions and Descriptions. ln J. Davis (ed.). Our forgotten children: Hear of hearing pupils in the schools (pp. 3-17). Washington, DC: US Department of Education.
  10. Sarff, L., Ray, H. and Bagwell, C., (1981). Why not amplification in every classroom? Hearing Aid Journal 34 (10), 11, 47-52.
  11. Shapiro, A. H., and Mistal, G. (1985). ITE-aid auditory training for reading- and spelling-disabled children. Clinical case studies. The Hearing Journal, 38 (2), 26-31.