Masking Level Differences (MLDs) in selected clinical populations : An overview

Frank Musiek, PhD   Background Masking level differences (MLDs), also termed bilateral masking level differences (BMLDs), were introduced to the scientific community by Ira Hirsh and J.C.R. Licklider in independent reports in 1948. Hirsh reported on MLDs for tonal stimuli and Licklider for speech stimuli. Though it is not the intent of this brief communication…

Read More

Utilization of the Dichotic Difference Score

Annette Hurley, PhD., CCC-A, Dept. of Communication Disorders LSU Health Sciences Center, ahurle@lsuhsc.edu   Introduction Dichotic listening tests are one of the most frequently used behavioral tests included in the behavioral Auditory Processing disorder (APD) test battery (Emanuel et al, 2011).  Dichotic tests are sensitive to the maturation and development of the central auditory nervous system (CANS),…

Read More

Disability terminology: Are we listening?

Bill Keith, QSO, PhD   As audiologists we sometimes have to spend time persuading individuals that a member of their family does actually have a hearing disorder and isn’t just wilfully unresponsive. How often have you heard a significant other say of their partner with a sensorineural hearing loss “He can hear if he wants…

Read More

Assistive and therapeutic effects of remote microphone hearing aid systems for children with auditory processing disorders

Bill Keith, QSO, PhD    One of the most exciting research findings in the treatment of auditory processing disorder (APD) is the neuroplastic benefit of amplification. Whereas hearing aid benefits are purely assistive in the case of peripheral hearing losses, it is now well established that, in the case of APD, amplification with remote microphone…

Read More