SPH 642: Advanced Sensory Aids 4 credits This course will provide a background on the theoretical principles of determining hearing aid candidacy. The rationale and methodology of selection and fitting of personal hearing aids for adults and children will be provided, including verification, modification and validation strategies. In addition, earmold acoustics and selection/fitting strategies of earmold systems will be provided. Current ASHA guidelines on hearing aid selection and fitting will be discussed. Laboratory exercises will be performed in the areas of MCL/LDL assessment, hearing handicap scales, real-ear measurement, prescriptive formulas, and hearing aid troubleshooting.