THE AVERAGED auditory brainstem responses are effectively utilized to determine hearing sensitivity in neonates and infants, ~, 2 and for the detection of brainstem lesions in neuro!ogic disease? In addition, they may also be used as measures of peripheral auditory pathway maturation 4,5 and to monitor the outcome of perinatal asphyxia. 6 Recently, a controversyJhas developed over the condition...

In this paper we study the performance of an explicit rate allocation algorithm for ATM networks using the available bit-rate (ABR) class of service. We examine the behavior of ABR traac with simple cell sources, and demonstrate that the allocation algorithm is fair and maintains network eeciency in a variety of network conngurations. We also study the behavior of TCP/IP sources using ABR servi...

Introduction  The tone-evoked auditory brainstem responses (tone-ABR) enable the differential diagnosis in the evaluation of children until 12 months of age, including those with external and/or middle ear malformations. The use of auditory stimuli with frequency specificity by air and bone conduction allows characterization of hearing profile. Objective  The objective of our study was to compa...

Population responses such as the auditory brainstem response (ABR) are commonly used for hearing screening, but the relationship between single-unit physiology and scalp-recorded population responses are not well understood. Computational models that integrate physiologically realistic models of single-unit auditory-nerve (AN), cochlear nucleus (CN) and inferior colliculus (IC) cells with model...

UNLABELLED Auditory Brainstem Response (ABR) is important for the early diagnosis of hearing impairment in infants. AIM To compare ABR responses in full-term and premature infants; gender and ear were taken into account. METHODS A cross-sectional prospective cohort study was carried out. We evaluated 36 full-term and 30 premature infants that had passed the Transient Otoacoustic Emissions t...

4 CSA News June 2014 related to ABR, from the development of superbugs like methicillin-resistant Staphylococcus aureus (MRSA) to speculation about the overuse of biocides like triclosan in hand soaps. A report published in 2000 by the World Health Organization (WHO) identified ABR as one of the most critical human health challenges of the 21st century. The report observed that more than two mi...

In rodents, exposure to high-level noise can destroy synapses between inner hair cells and auditory nerve fibers, without causing hair cell loss or permanent threshold elevation. Such "cochlear synaptopathy" is associated with amplitude reductions in wave I of the auditory brainstem response (ABR) at moderate-to-high sound levels. Similar ABR results have been reported in humans with tinnitus a...

We recorded the auditory brainstem response (ABR) in four dolphins (Tursiops truncatus and Delphinus delphis). The ABR evoked by clicks consists of seven waves within 10 msec; two waves often contain dual peaks. The main waves can be identified with those of humans and laboratory mammals; in spite of a much longer path, the latencies of the peaks are almost identical to those of the rat. The do...

In this paper we consider a single Asynchronous Transfer Mode (ATM) transmission link, to which Constant Bit Rote (CBR) or Variable Bit Rate (VBR) and Available Bit Rate (ABR) or UnspeciJied Bit Rate (UBR) calls arrive according to independent Poisson processes. CBR/VBR calls (characterized by their equivalent bandwidth) are blocked and leave the system if the availablelink capacity is less tha...

This paper discusses some issues and possibilities for more eeective ABR (Available Bit Rate) traac management which arise from a careful consideration of various time scales present in an ATM networking environment. Since the ABR applications will typically use the remaining resources after CBR (Constant Bit Rate) and VBR (Variable Bit Rate) applications have been accommodated, the ABR rate sh...