scholarly journals The interaction of stimulus rate and polarity effects on the auditory brainstem response

2000 ◽  
Author(s):  
Michelle Ziegler
Keyword(s):  
Auditory Brainstem Response ◽  
Auditory Brainstem ◽  
Stimulus Rate ◽  
Brainstem Response ◽  
Polarity Effects

Diagnostic Implications of Stimulus Polarity Effects on the Auditory Brainstem Response

2002 ◽  
Vol 13 (02) ◽  
pp. 072-082 ◽  
Author(s):  
Cynthia G. Fowler ◽  
Christopher D. Bauch ◽  
Wayne O. Olsen
Keyword(s):  
Mayo Clinic ◽  
Auditory Brainstem Response ◽  
Auditory Brainstem ◽  
The Other ◽  
Intersubject Variability ◽  
Acoustic Neuromas ◽  
Full Complement ◽  
Brainstem Response ◽  
Polarity Effects ◽  
Click Polarity

The purpose of this study was to determine whether clicks presented in rarefaction or condensation modes produce more accurate diaghostic information. Subjects were 20 consecutive patients who were seen at the Mayo Clinic for unilateral acoustic neuromas. The nontumor ear served as a control to minimize intersubject variability in the latencies. A standard audio logic evaluation was followed by an auditory brainstem response (ABR) test for which the stimuli were rarefaction and condensation clicks. Responses were analyzed for the presence of waves I, III, and V; absolute latencies of waves I, III, and V; interpeak intervals I–III, III–V, and I–V; and interaurallatency difference for wave V. The results indicated that measures from both polarities were similar in this set of patients and that neither click polarity provided diagnostic advantages over the other. Recommendations are to collect ABRs to both click polarities individually to obtain the full complement of waves on which to base the diagnostic impression.

Auditory Brainstem Response with High Stimulus Rates in Normal and Patient Populations

1983 ◽  
Vol 92 (2) ◽  
pp. 119-123 ◽  
Author(s):  
Irvin J. Gerling ◽  
Terese Finitzo-Hieber
Keyword(s):  
Auditory Brainstem Response ◽  
Normative Data ◽  
Normal Subjects ◽  
Auditory Brainstem ◽  
Auditory Sensitivity ◽  
Stimulus Rate ◽  
Brainstem Response ◽  
High Stimulus ◽  
Latency Shift ◽  
Cns Pathology

Normative data were collected on 48 subjects to determine the effects of increasing stimulus rates on the auditory brainstem response. These subjects were then compared to 221 patients referred for otoneurologic evaluation. The 90 patients with impaired auditory sensitivity demonstrated significantly less wave V latency shift than either the 131 patients with normal auditory sensitivity or the normal subjects. The incidence of abnormal wave V latency shift was 12% in the patients with normal auditory sensitivity and 8% in the patients with impaired auditory sensitivity. The high stimulus rate was often the only abr parameter indicative of brainstem involvement in patients with documented CNS pathology. The authors conclude that a high stimulus rate contributes to the diagnosis of brainstem pathology often enough to warrant its routine use.

The effects of stimulus rate and electrode montage on the auditory brainstem response in infants

2013 ◽  
Vol 16 (4) ◽  
pp. 221-226 ◽  
Author(s):  
Ahmad Aidil Arafat bin Dzulkarnain ◽  
Umi Sarah Abdul Hadi ◽  
Nur ’Azzah Zakaria
Keyword(s):  
Auditory Brainstem Response ◽  
Auditory Brainstem ◽  
Stimulus Rate ◽  
Brainstem Response

Brainstem Conduction Abnormalities in Spasmodic Dysphonia

1983 ◽  
Vol 92 (1) ◽  
pp. 59-64 ◽  
Author(s):  
Steven D. Schaefer ◽  
Irvin J. Gerling ◽  
Terese Finitzo-Hieber ◽  
Frances J. Freeman
Keyword(s):  
Nervous System ◽  
Auditory Brainstem Response ◽  
Cranial Nerve ◽  
Auditory Brainstem ◽  
Spasmodic Dysphonia ◽  
Amplitude Ratios ◽  
Stimulus Rate ◽  
Brainstem Response ◽  
High Stimulus ◽  
Interpeak Latency

Twelve spasmodic dysphonia patients were evaluated by three different auditory brainstem response parameters; 75 % were abnormal. Three of the 12 had prolonged wave I-V interpeak latency. Seven had pathologic wave V latency shifts at a high stimulus rate. Amplitude ratios were normal for all subjects. The authors hypothesize that spasmodic dysphonia is a disorder of variable cranial nerve symptom presentations, and offer several possible models to account for its sporadic representation in the nervous system.

Auditory brainstem response in the lesser scaup, a species of diving duck

2010 ◽  
Author(s):  
Sara C. Therrien ◽  
Catherine E. Carr ◽  
Elizabeth F. Brittan-Powell ◽  
Alicia M. Wells-Berlin
Keyword(s):  
Auditory Brainstem Response ◽  
Auditory Brainstem ◽  
Diving Duck ◽  
Lesser Scaup ◽  
Brainstem Response
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