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central auditory processing disorder

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https://www.readbyqxmd.com/read/28635503/practical-guidelines-to-minimise-language-and-cognitive-confounds-in-the-diagnosis-of-capd-a-brief-tutorial
#1
Gail D Chermak, Doris-Eva Bamiou, Vasiliki Vivian Iliadou, Frank E Musiek
OBJECTIVE: To provide audiologists with strategies to minimise confounding cognitive and language processing variables and accurately diagnose central auditory processing disorder (CAPD). DESIGN: Tutorial. STUDY SAMPLE: None. RESULTS: Strategies are reviewed to minimise confounding cognitive and language processing variables and accurately diagnose CAPD. CONCLUSIONS: Differential diagnosis is exceedingly important and can be quite challenging...
February 28, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28632303/audition-specific-temporal-processing-deficits-associated-with-language-function-in-children-with-autism-spectrum-disorder
#2
Jennifer H Foss-Feig, Kimberly B Schauder, Alexandra P Key, Mark T Wallace, Wendy L Stone
Sensory processing alterations are highly prevalent in autism spectrum disorder (ASD). Neurobiologically-based theories of ASD propose that abnormalities in the processing of temporal aspects of sensory input could underlie core symptoms of ASD. For example, rapid auditory temporal processing is critical for speech perception, and language difficulties are central to the social communication deficits defining the disorder. This study assessed visual and auditory temporal processing abilities and tested their relation to core ASD symptoms...
June 20, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28596753/auditory-processing-after-early-left-hemisphere-injury-a-case-report
#3
Cristina Ferraz Borges Murphy, Georgios Stavrinos, Kling Chong, Tony Sirimanna, Doris-Eva Bamiou
Few studies have addressed the long-term outcomes of early brain injury, especially after hemorrhagic stroke. This is the first study to report a case of acquired auditory processing disorder in a 10-year-old child who had a severe left hemorrhagic cerebral infarction at 13 months of age, compromising nearly all of the left temporal lobe. This case, therefore, is an excellent and rare opportunity to investigate the presence of neural plasticity of central auditory system in a developing brain followed severe brain damage...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28590897/cortical-auditory-evoked-potential-and-behavioral-evidence-for-differences-in-auditory-processing-between-good-and-poor-readers
#4
Matthew D Barker, Abin Kuruvilla-Mathew, Suzanne C Purdy
BACKGROUND: The relationship between auditory processing (AP) and reading is thought to be significant; however our understanding of this relationship is somewhat limited. Previous studies have investigated the relation between certain electrophysiological and behavioral measures of AP and reading abilities in children. This study attempts to further understand that relation. PURPOSE: Differences in AP between good and poor readers were investigated using electrophysiological and behavioral measures...
June 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28590894/hearing-characteristics-of-stroke-patients-prevalence-and-characteristics-of-hearing-impairment-and-auditory-processing-disorders-in-stroke-patients
#5
Nehzat Koohi, Deborah A Vickers, Rahul Lakshmanan, Hoskote Chandrashekar, David J Werring, Jason D Warren, Doris-Eva Bamiou
BACKGROUND: Stroke survivors may suffer from a range of hearing impairments that may restrict their participation in postacute rehabilitation programs. Hearing impairment may have a significant impact on listening, linguistic skills, and overall communication of the affected stroke patient. However, no studies sought to systematically characterize auditory function of stroke patients in detail, to establish the different types of hearing impairments in this cohort of patients. Such information would be clinically useful in understanding and addressing the hearing needs of stroke survivors...
June 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28583912/noise-trauma-induced-behavioral-gap-detection-deficits-correlate-with-reorganization-of-excitatory-and-inhibitory-local-circuits-in-the-inferior-colliculus-and-are-prevented-by-acoustic-enrichment
#6
Joshua J Sturm, Ying-Xin Zhang-Hooks, Hannah Roos, Tuan Nguyen, Karl Kandler
Hearing loss leads to a host of cellular and synaptic changes in auditory brain areas, which are thought to give rise to auditory perception deficits such as temporal processing impairments, hyperacusis, or tinnitus. However, little is known about possible changes in synaptic circuit connectivity that may underlie these hearing deficits. Here, we show that mild hearing loss as a result of brief noise exposure leads to a pronounced reorganization of local excitatory and inhibitory circuits in the mouse inferior colliculus...
June 5, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28557400/-the-effectiveness-of-hearing-aids-in-elderly-people
#7
M Yu Boboshko, L E Golovanova, E V Zhilinskaia, E A Ogorodnikova
The analysis of factors which influence on the hearing aid efficacy in elderly with presbycusis is presented in the article. 125 patients from 60 to 90 years old with moderate to severe hearing loss, hearing aid users, were examined. The audiology examination included standard methods as well as tests evaluating central auditory pathways processing. According to the results of speech audiometry in free field low efficacy of hearing aid is revealed in 21 % patients. The main factor that decreases hearing aid benefit is the presence of central auditory processing disorders, the additional one is poor technical characteristics of a hearing aid...
2017: Advances in Gerontology, Uspekhi Gerontologii
https://www.readbyqxmd.com/read/28528846/the-multi-level-impact-of-chronic-intermittent-hypoxia-on-central-auditory-processing
#8
Eddie Wong, Bin Yang, Lida Du, Wai Hong Ho, Condon Lau, Ya Ke, Ying Shing Chan, Wing Ho Yung, Ed X Wu
During hypoxia, the tissues do not obtain adequate oxygen. Chronic hypoxia can lead to many health problems. A relatively common cause of chronic hypoxia is sleep apnea. Sleep apnea is a sleep breathing disorder that affects 3-7% of the population. During sleep, the patient's breathing starts and stops. This can lead to hypertension, attention deficits, and hearing disorders. In this study, we apply an established chronic intermittent hypoxemia (CIH) model of sleep apnea to study its impact on auditory processing...
May 19, 2017: NeuroImage
https://www.readbyqxmd.com/read/28428741/assessing-auditory-processing-deficits-in-tinnitus-and-hearing-impaired-patients-with-the-auditory-behavior-questionnaire
#9
Isabel Diges, Francisco Simón, Pedro Cobo
Background and Purpose: Auditory processing disorders (APD), tinnitus and hearing loss (HL) are typical issues reported by patients in audiologic clinics. These auditory impairments can be concomitant or mutually excluding. APD are not necessarily accompanied by significant HL, whereas many adults exhibit peripheral HL and typical cognitive deficits often associated with APD. Since HL, tinnitus and APD affects to several parts of the ascending auditory pathway from the periphery to the auditory cortex, there could be some interrelationship between them...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28371413/auditory-spatial-attention-to-speech-and-complex-non-speech-sounds-in-children-with-autism-spectrum-disorder
#10
Laura N Soskey, Paul D Allen, Loisa Bennetto
One of the earliest observable impairments in autism spectrum disorder (ASD) is a failure to orient to speech and other social stimuli. Auditory spatial attention, a key component of orienting to sounds in the environment, has been shown to be impaired in adults with ASD. Additionally, specific deficits in orienting to social sounds could be related to increased acoustic complexity of speech. We aimed to characterize auditory spatial attention in children with ASD and neurotypical controls, and to determine the effect of auditory stimulus complexity on spatial attention...
April 1, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28370182/weak-central-coherence-in-weight-restored-adolescent-anorexia-nervosa-characteristics-and-remediation
#11
Noam Weinbach, Amit Perry, Helene Sher, James D Lock, Avishai Henik
OBJECTIVE: Weak central coherence (WCC) refers to a bias towards processing details (local processing) at the expense of paying attention to the bigger picture (global processing). Multiple studies reported WCC in adults with anorexia nervosa (AN). Evidence for WCC in adolescents with AN has been inconsistent. The current study characterizes WCC in weight-restored adolescents with AN (WR-AN) using a direct measure of WCC, and examines whether WCC can be remediated by increasing alertness level-a manipulation that was found useful in enhancing global processing in healthy individuals and clinical populations...
March 28, 2017: International Journal of Eating Disorders
https://www.readbyqxmd.com/read/28286635/maturational-changes-in-ear-advantage-for-monaural-word-recognition-in-noise-among-listeners-with-central-auditory-processing-disorders
#12
Mohsin Ahmed Shaikh, Lisa Fox-Thomas, Denise Tucker
This study aimed to investigate differences between ears in performance on a monaural word recognition in noise test among individuals across a broad range of ages assessed for (C)APD. Word recognition scores in quiet and in speech noise were collected retrospectively from the medical files of 107 individuals between the ages of 7 and 30 years who were diagnosed with (C)APD. No ear advantage was found on the word recognition in noise task in groups less than ten years. Performance in both ears was equally poor...
February 1, 2017: Audiology Research
https://www.readbyqxmd.com/read/28254454/developmental-phonagnosia-linking-neural-mechanisms-with-the-behavioural-phenotype
#13
Claudia Roswandowitz, Stefanie Schelinski, Katharina von Kriegstein
Human voice recognition is critical for many aspects of social communication. Recently, a rare disorder, developmental phonagnosia, which describes the inability to recognise a speaker's voice, has been discovered. The underlying neural mechanisms are unknown. Here, we used two functional magnetic resonance imaging experiments to investigate brain function in two behaviourally well characterised phonagnosia cases, both 32 years old: AS has apperceptive and SP associative phonagnosia. We found distinct malfunctioned brain mechanisms in AS and SP matching their behavioural profiles...
February 22, 2017: NeuroImage
https://www.readbyqxmd.com/read/28188216/amygdalar-gating-of-early-sensory-processing-through-interactions-with-locus-coeruleus
#14
Cynthia D Fast, John P McGann
Fear- and stress-induced activity in the amygdala has been hypothesized to influence sensory brain regions through the influence of the amygdala on neuromodulatory centers. To directly examine this relationship, we used optical imaging to observe odor-evoked activity in populations of olfactory bulb inhibitory interneurons and of synaptic terminals of olfactory sensory neurons (the primary sensory neurons of the olfactory system, which provide the initial olfactory input to the brain) during pharmacological inactivation of amygdala and locus coeruleus (LC) in mice...
March 15, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28181190/distribution-of-alox15-in-the-rat-brain-and-its-role-in-prefrontal-cortical-resolvin-d1-formation-and-spatial-working-memory
#15
Suku-Maran Shalini, Christabel Fung-Yih Ho, Yee-Kong Ng, Jie-Xin Tong, Eng-Shi Ong, Deron R Herr, Gavin S Dawe, Wei-Yi Ong
Docosahexaenoic acid (DHA) is enriched in membrane phospholipids of the central nervous system (CNS) and has a role in aging and neuropsychiatric disorders. DHA is metabolized by the enzyme Alox15 to 17S-hydroxy-DHA, which is then converted to 7S-hydroperoxy,17S-hydroxy-DHA by a 5-lipoxygenase, and thence via epoxy intermediates to the anti-inflammatory molecule, resolvin D1 (RvD1 or 7S,8R,17S-trihydroxy-docosa-Z,9E,11E,13Z,15E,19Z-hexaenoic acid). In this study, we investigated the distribution and function of Alox15 in the CNS...
February 8, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28108252/abnormalities-in-cortical-auditory-responses-in-children-with-central-auditory-processing-disorder
#16
Amineh Koravand, Benoît Jutras, Maryse Lassonde
The main objective of the present study was to identify markers of neural deficits in children with central auditory processing disorder (CAPD) by measuring latency and amplitude of the auditory cortical responses and mismatch negativity (MMN) responses. Passive oddball paradigms were used with nonverbal and verbal stimuli to record cortical auditory-evoked potentials and MMN. Twenty-three children aged 9-12 participated in the study: 10 with normal hearing acuity as well as CAPD and 13 with normal hearing without CAPD...
March 27, 2017: Neuroscience
https://www.readbyqxmd.com/read/28077712/changes-in-properties-of-auditory-nerve-synapses-following-conductive-hearing-loss
#17
Xiaowen Zhuang, Wei Sun, Matthew A Xu-Friedman
Auditory activity plays an important role in the development of the auditory system. Decreased activity can result from conductive hearing loss (CHL) associated with otitis media, which may lead to long-term perceptual deficits. The effects of CHL have been mainly studied at later stages of the auditory pathway, but early stages remain less examined. However, changes in early stages could be important because they would affect how information about sounds is conveyed to higher-order areas for further processing and localization...
January 11, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28054916/a-response-to-dr-jerger-regarding-on-diagnostic-accuracy-in-audiology-central-site-of-lesion-and-central-auditory-processing-disorder-studies
#18
Andrew J Vermiglio
No abstract text is available yet for this article.
January 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28054915/auditory-processing-disorder-as-the-sole-manifestation-of-a-cerebellopontine-and-internal-auditory-canal-lesion
#19
Vasiliki Vivian Iliadou, Nikos Eleftheriadis
BACKGROUND: Clinical importance of auditory processing disorder (APD) testing is often overlooked and regarded with skepticism given the challenging interpretation of results and the current growing debate of its nature and clinical entity. PURPOSE: Presentation of this case is highly educational as APD is the single clinical manifestation of a large cerebellopontine and internal auditory canal lesion. RESEARCH DESIGN: A case report. DATA COLLECTION AND ANALYSIS: The patient underwent a standard audiological evaluation with normal results...
January 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28054914/detailed-audiological-evaluation-of-a-patient-with-xeroderma-pigmentosum-with-neural-degeneration
#20
Danielle Mercer, Annette Hurley, Fern Tsien
BACKGROUND: Xeroderma pigmentosum (XP) is a rare autosomal recessive condition characterized by extreme sensitivity to ultraviolet light. Individuals with XP lack the ability to repair DNA (deoxyribonucleic acid) damage caused by ultraviolet radiation, leading to sunburn and increased susceptibility to skin cancers. Approximately 25% of patients also exhibit neural degeneration, which includes progressive mental deterioration, cortical thinning, and sensorineural hearing loss. PURPOSE: Herein, we describe the audiological and genetic findings in a patient with XP subtype D with neural degeneration and hearing loss...
January 2017: Journal of the American Academy of Audiology
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