For many years FM systems were used primarily for individuals that had a hearing impairment. In recent years, research has shown how an FM system can lend benefit to individuals with other difficulties, for example, auditory processing disorder (APD).

A study by Johnston and others entitled, ” Multiple benefits of personal FM system use by children with auditory processing disorder (APD)”, documented these findings. Among the results of FM use were:

  1.  speech perception improvement in noisy classroom environment
  2.  significant academic and psycho-social benefits
  3.  after prolonged FM use, even unaided (no FM device) speech-perception performance was improved in the children with APD, suggesting the possibility of fundamentally enhanced auditory system function



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