The typical finding in dichotic listening with verbal stimuli is the right ear advantage (REA), indicating a left hemisphere processing superiority, thus making this an effective tool in studying hemispheric asymmetry. It has been shown that the amplitude of the REA can be modulated by instructions to direct attention to left or right side. The current study attempted to modulate the REA by cha...

The revised Speech Perception in Noise (SPIN) test and the Dichotic Sentence Identification (DSI) test have been used to help evaluate speech-recognition capabilities in elderly people. We evaluated the test-retest reliability of these measures for 17 subjects aged 63-82 years. The DSI and revised SPIN tests were administered at 65, 75, and 85 dB SPL, with a total of three presentations at each...

Sensorineural hearing loss is commonly accompanied by reduced frequency selectivity, which causes the larger adverse effect of masking. To cope with this issue, some studies have addressed the effects of dichotic listening to reduce the masking between contiguous frequency bands. This paper investigates sound image localization perceived in both dichotic and diotic listening conditions, as well...

PURPOSE Cognitive impairment is correlated with physical function. However, the results in the literature are inconsistent with cognitive and physical performance measures. Thus, the aim of this study was to determine the association between cognitive performance and physical function among older adults. METHODS A total of 164 older adults aged ≥60 years and residing in low-cost housing areas...

BACKGROUND Pediatric ADHD is associated with impairments in working memory, but these deficits often go undetected when using clinic-based tests such as digit span backward. AIMS The current study pilot-tested minor administration/scoring modifications to improve digit span backward's construct and predictive validities in a well-characterized sample of children with ADHD. METHODS AND PROCE...

Brain event-related potentials (ERPs) to probe tones in a dichotic complex tone test were recorded from right-handed depressed patients (n = 44) and normal subjects (n = 19) at homologous sites over left and right hemispheres (F3, F4; C3, C4; P3, P4; O1, O2). There were no differences between groups N1 or P2 amplitude, but patients had smaller P3 amplitude than did normal subjects. Depressed pa...