The purpose of the current study was to study auditory processing (monaural closure, monaural separation, binaural integration, and binaural separation) skills in subjects withand withoutAlzheimer’s disease. Ten individuals with Alzheimer’s disease and seven individuals without Alzheimer’s disease participated in central auditory processing tasks (degraded speech and dichotic speech). Reduced a...

PURPOSE To establish normative data for children and to characterize developmental differences in performance with the free recall version of the Randomized Dichotic Digits Test. RESEARCH DESIGN Group comparison of behavioral data derived from administration of the Randomized Dichotic Digits Test. STUDY SAMPLE Children from 10 to 18 years of age (167) and young adults from 19 to 28 years of...

Structural and functional asymmetry in the human brain and nervous system is reviewed in a historical perspective, focusing on the pioneering work of Broca, Wernicke, Sperry, and Geschwind. Structural and functional asymmetry is exemplified from work done in our laboratory on auditory laterality using an empirical procedure called dichotic listening. This also involves different ways of validat...

The present investigation was undertaken to determine whether significant differences in auditory processing and perceptual abilities exist between (1) stutterers as a supposedly homogeneous group when compared with controls, (2) two differentiated subgroups of stutterers, and (3) either of the stuttering subgroups when separately compared with controls. Dichotic listening and masking level dif...

BACKGROUND The effects of stimulus material, lexical content, and response condition on dichotic speech recognition performance characteristics were examined for normal-hearing young adult listeners. No previous investigation has systematically examined the effects of stimulus material with constant phonetic content but varied lexical content across three response conditions typically used to e...

Auditory attention is critical for selective listening to speech from a single talker in a multi-talker environment (e.g., the cocktail party problem, Cherry, 1953). This type of listening is notoriously more difficult and more poorly encoded to longterm memory in older adults than in young adults (Tun, O’Kane, & Wingfield, 2002). Recent work by Payne et al. (2016) in young adults demonstrated ...

background : the aim of the present study was to assess the auditory working memory span of children with (central) auditory processing disorders (c) apd aged 8 to 10 years and to compare the results with normal ones. methods: twenty five children with (central) auditory processing disorders (8-10 years) and 75 normal children (8-10 years) from both genders participated in this comparative stud...

The application of auditory processing tests to patients with sensorineural hearing loss is controversial. Several studies have shown that it is difficult to separate peripheral from central hearing processes. In the present study, a Dutch auditory processing test battery was administered to 24 subjects with mild, relatively flat, symmetrical sensorineural hearing loss. Tests were administered ...