Journal of the American Academy of Audiology

PURPOSE: Mismatch negativity (MMN) reflects a pre-perceptual neurophysiological response that is generated subconsciously due to the interruption of a memory trace of ongoing sensory events in the environment. It has been widely used by researchers to understand complex perceptual mechanisms. Furthermore, it has been recommended as an objective tool to investigate disorders related to auditory cognition in hearing aid and cochlear implant users. Many researchers suggest that utilizing a larger acoustic difference between standard and deviant stimuli within the oddball paradigm will lead to a more robust MMN response...

BACKGROUND: Recently, we developed a hearing-related lifestyle questionnaire (HEARLI-Q) which asks respondents to rate their hearing aid (HA) satisfaction in 23 everyday listening situations. It is unknown how HA satisfaction on the retrospective HEARLI-Q scale compares to HA satisfaction measured on the same scale implemented in Ecological Momentary Assessments (EMA). PURPOSE: To learn how retrospective (HEARLI-Q) and in-situ (EMA) assessments can complement each other...

BACKGROUND: The concept of occupational self-esteem is the value judgment developed towards the chosen profession, while job satisfaction includes positive emotional attitudes towards the job. Professional self-esteem and job satisfaction levels of audiologists are a matter of curiosity. PURPOSE: To determine the effect of the workplace types of audiologists in Turkey on their professional self-esteem and job satisfaction levels. STUDY SAMPLE: The study included 307 audiologists working in various types of workplace...

Vestibular neuritis is one of the most common reasons that someone may experience an episode of acute spontaneous vertigo, with the majority cases impacting only one ear. Cases of bilateral vestibular neuritis are rare and are thought to account for less than 10% of all cases of vestibular neuritis. 18,1,9,15,12 Skull vibration testing is an efficient means to screen for asymmetry in vestibular function but is still in its infancy in clinical use. The ideal assessment methods and the typical patterns of skull vibration induced nystagmus are relatively well understood, however, the presentation of skull vibration induced nystagmus in atypical labyrinthine pathology is less clear...

BACKGROUND: Nonlinear frequency compression (NFC) is a signal processing technique designed to lower high frequency inaudible sounds for a listener to a lower frequency that is audible. Because the maximum frequency that is audible to a listener with hearing loss will vary with the input speech level, the input level used to set nonlinear frequency compression could impact speech recognition. PURPOSE: The purpose of this study was to determine the influence of the input level used to set nonlinear frequency compression on nonsense syllable recognition...

BACKGROUND: We previously reported the results of exploratory factor analysis (EFA) of the Hyperacusis Impact Questionnaire (HIQ), the Sound Sensitivity Symptoms Questionnaire (SSSD) and the Screening for Anxiety and Depression in Tinnitus (SAD-T). Confirmatory Factor Analysis (CFA) is necessary to confirm the latent constructs determined using EFA. CFA should use different samples but with similar characteristics to those used for EFA. PURPOSE: The aim was to use CFA to confirm latent constructs derived using EFA of the HIQ, SSSQ and SAD-T...

BACKGROUND: Cervical vestibular evoked myogenic potentials (cVEMPs) are predominantly ipsilateral, myogenic responses originating from saccular activation. Some individuals have contralateral-crossed cVEMP responses with monaural air-conducted stimulation (ACS) which can contaminate cVEMP responses with bilateral stimulation. While the origin of the contralateral-crossed response is under debate, its presence has implications for cVEMP testing with midline bone conduction vibration (BCV)...

BACKGROUND: The Masseter Vestibular-Evoked Myogenic Potential (mVEMP) test evaluates the vestibulo-masseteric reflex neural pathway between the sound-stimulated saccule hair cells and the motor neurons of the trigeminal nerve. PURPOSE: This study aims to investigate the contribution of mVEMP to the conclusive diagnosis of recurrent vestibulopathy patients that were diagnosed with Possible Ménière's disease. METHODS: The study includes 20 healthy individuals aged 18-40 years and 20 patients that were diagnosed with possible Ménière's disease according to the American Academy of Otorhinolaryngology and Head and Neck Surgery (AAO-HNS, 1995) Guidelines for the Definition of Ménière's Disease...

BACKGROUND: Previous studies observed that children with cochlear implants (CIs) have poor language, working memory, and attention skills. The ability to perform cognitive tasks, such as attention and memory, plays a crucial role in the academic achievement and everyday life of children with hearing impairment. PURPOSE: This study aimed to evaluate and compare the effects of age at the time of implantation and bilateral hearing on cognitive skills, such as language development, working memory, and selective attention, among children with CIs...

Auditory neuropathy spectrum disorder (ANSD) is a spectrum of conditions marked by diminished auditory function and believed to be caused by the impaired neural transmission of auditory stimulation in the setting of functional outer hair cells (Rance1). There are reports of "spontaneously resolving" or "transient" ANSD (TAN) in the literature. In this case report of TAN, we demonstrate the resurgence of the ABR waveform morphology over a 3-year period to reveal electrophysiologic testing consistent with the subject's functional hearing level by age 3 years...

BACKGROUND: There have been conflicting results on the effect of auditory stimulation on the vestibulo-ocular reflex (VOR) with some studies indicating suppression, enhancement, or no effect. No studies to date have assessed the effect of sound source location on VOR gain or the relationship between spatial hearing ability and VOR gain. PURPOSE: The purpose of the present study was to determine if VOR gain was affected by moving the location of the sound source within participants and to determine if these effects were related to spatial hearing ability...

BACKGROUND: In literature, the cognitive performance results of normal hearing individuals with tinnitus are inconsistent. It also differs in the control of other factors that may affect cognition. PURPOSE: This study aimed to determine the differences in attention and memory performance between normal-hearing individuals with chronic subjective tinnitus and age-sex-education-matched healthy controls. STUDY SAMPLE: Normal-hearing individuals with subjective chronic tinnitus between 18-55 years of age, who have normal cognitive abilities [tinnitus group, n=30] and age-sex matched normal hearing individuals without tinnitus who have normal cognitive abilities [control group, n=30] were included in this study...

BACKGROUND:  Saccadometry is an advanced ocular motor test battery that allows for the functional evaluation of the varied brain regions and circuits involved in the generation of fast, purposeful, and accurate saccadic eye movements. The test battery is composed of prosaccade (PS) and antisaccade (AS) tests that progressively increase cognitive demand. Existing saccadometry protocols qualitatively describe trends across the lifespan, but have not been widely adopted by clinicians...

BACKGROUND: Misophonia is a decreased tolerance of certain sounds related to eating noises, lip smacking, sniffing, breathing, clicking sounds, and tapping. While several validated self-report misophonia questionnaires exist, none focus solely on the impact of misophonia on the patient's life. Additionally, there are no available validated pediatric self-report measures of misophonia. Therefore, a tool was needed to assess the impact of misophonia on both adult and pediatric patients...

BACKGROUND: Speech recognition in adult cochlear implant (CI) users is typically assessed using sentence materials with low talker variability. Little is known about the effects of talker variability on speech recognition in adult CI users, the factors underlying individual differences in speech recognition with high talker variability, or how sentence materials with high talker variability could be utilized clinically. PURPOSE: To examine the effects of talker variability on sentence recognition in adult CI users, using sentences from the Perceptually Robust English Sentence Test Open-Set (PRESTO), and to examine the relation between working memory capacity and high-variability speech recognition...

BACKGROUND: The Dichotic Digits Test (DDT) evaluates central auditory nervous system (CANS) dysfunction. The DDT is widely used in audiology clinics worldwide because it is clinically efficient and has good sensitivity and specificity for CANS lesions. However, the DDT shows a strong ceiling effect, which can mitigate its ability to detect subtle CANS dysfunction. PURPOSE: This study examines the effects of adding monaural and binaural speech-spectrum noise to the DDT in an effort to make the test more taxing to the CANS and thereby reduce the observed ceiling effect...

BACKGROUND: Cervical vestibular evoked myogenic potentials (cVEMPs) and masseter vestibular evoked myogenic potentials (mVEMPs) are considered to have a common saccular origin. While a few studies have examined both VEMPs in individuals with brainstem disorders as part of a test battery, the relation between these two potentials has rarely been the subject of discussion. PURPOSE: The present study explored the relation between mVEMPs and cVEMPs using EMG-scaled parameters in normal-hearing young adults...

Background The CE-Chirp stimulus used in the ABR was developed to compensate for the cochlear wave delay. As a version of broadband CE-Chirp stimulus, the use of level-specific (LS) CE-Chirp stimuli, which are created with varying delay models suitable for the intensity levels at which the sound is transmitted, is becoming increasingly common. Purpose The aim of this study was to compare click auditory brainstem responses (ABRs) with LS CE-Chirp ABR thresholds in adults with sensorineural hearing loss. Research Design The research is a cross-sectional-analytical research...

Congenital hypothyroidism (CH) is one of the most preventable causes of intellectual disability in the world. Screening programs have led to earlier detection of CH, and children with adequate thyroid supplementation can have minor long-term differences in overall neuropsychological testing compared to baseline. However up to one- fourth of children born with CH suffer from hearing loss even with early and adequate thyroid hormone supplementation. We report a rare case of a patient with hearing loss attributed to congenital hypothyroidism who had complete recovery of hearing after early thyroid hormone replacement...

BACKGROUND: The results of tests measuring objective speech intelligibility are similar to those measuring subjective speech intelligibility using speech materials with minimal context. It is unclear if such is the case with contextual materials. PURPOSE: To compare objective and subjective intelligibility difference (OSID) between normal-hearing (NH) and hearing-impaired (HI) listeners in the unaided and aided modes using speech materials adapted from the Tracking of Noise Tolerance (TNT) test...