Acoustic Change Complex (ACC) Using Speech and Non-Speech Stimuli in Temporal Auditory Processing Disorders Children

2019 ◽  
Vol 36 (1-2) ◽  
pp. 89-101
Author(s):  
Fathy Naeem ◽  
Amany Shalaby ◽  
Amira A. E. El-Shahat
Keyword(s):  
Auditory Processing ◽  
Auditory Processing Disorders ◽  
Speech Stimuli ◽  
Acoustic Change Complex

scholarly journals Auditory Processing Disorders in Elderly Persons vs. Linguistic and Emotional Prosody

2021 ◽  
Vol 18 (12) ◽  
pp. 6427
Author(s):  
Anna Rasmus ◽  
Aleksandra Błachnio
Keyword(s):  
Interpersonal Relationships ◽  
Auditory Processing ◽  
Temporal Pattern ◽  
Right Hemisphere ◽  
Elderly Persons ◽  
Central Auditory Processing ◽  
Auditory Processing Disorders ◽  
Emotional Prosody ◽  
Frequency Pattern ◽  
Central Processing

Background: Language communication, which is one of the basic forms of building and maintaining interpersonal relationships, deteriorates in elder age. One of the probable causes is a decline in auditory functioning, including auditory central processing. The aim of the present study is to evaluate the profile of central auditory processing disorders in the elderly as well as the relationship between these disorders and the perception of emotional and linguistic prosody. Methods: The Right Hemisphere Language Battery (RHLB-PL), and the Brain-Boy Universal Professional (BUP) were used. Results: There are statistically significant relationships between emotional prosody and: spatial hearing (r(18) = 0.46, p = 0.04); the time of the reaction (r(18) = 0.49, p = 0.03); recognizing the frequency pattern (r(18) = 0.49, p = 0.03 (4); and recognizing the duration pattern (r(18) = 0.45, p = 0.05. There are statistically significant correlations between linguistic prosody and: pitch discrimination (r(18) = 0.5, p = 0.02); recognition of the frequency pattern (r(18) = 0.55, p = 0.01); recognition of the temporal pattern; and emotional prosody (r(18) = 0.58, p = 0.01). Conclusions: The analysis of the disturbed components of auditory central processing among the tested samples showed a reduction in the functions related to frequency differentiation, the recognition of the temporal pattern, the process of discriminating between important sounds, and the speed of reaction. De-automation of the basic functions of auditory central processing, which we observe in older age, lowers the perception of both emotional and linguistic prosody, thus reducing the quality of communication in older people.

Informational Masking Effects of Speech Versus Nonspeech Noise on Cortical Auditory Evoked Potentials

2021 ◽  
Vol 64 (10) ◽  
pp. 4014-4029
Author(s):  
Kathy R. Vander Werff ◽  
Christopher E. Niemczak ◽  
Kenneth Morse
Keyword(s):  
Auditory Processing ◽  
Auditory Evoked Potentials ◽  
Spectral Characteristics ◽  
Auditory Evoked Potential ◽  
Informational Masking ◽  
Neural Encoding ◽  
Speech Stimuli ◽  
Typical Morphology ◽  
Cortical Auditory Evoked Potentials ◽  
Speech Information

Purpose Background noise has been categorized as energetic masking due to spectrotemporal overlap of the target and masker on the auditory periphery or informational masking due to cognitive-level interference from relevant content such as speech. The effects of masking on cortical and sensory auditory processing can be objectively studied with the cortical auditory evoked potential (CAEP). However, whether effects on neural response morphology are due to energetic spectrotemporal differences or informational content is not fully understood. The current multi-experiment series was designed to assess the effects of speech versus nonspeech maskers on the neural encoding of speech information in the central auditory system, specifically in terms of the effects of speech babble noise maskers varying by talker number. Method CAEPs were recorded from normal-hearing young adults in response to speech syllables in the presence of energetic maskers (white or speech-shaped noise) and varying amounts of informational maskers (speech babble maskers). The primary manipulation of informational masking was the number of talkers in speech babble, and results on CAEPs were compared to those of nonspeech maskers with different temporal and spectral characteristics. Results Even when nonspeech noise maskers were spectrally shaped and temporally modulated to speech babble maskers, notable changes in the typical morphology of the CAEP in response to speech stimuli were identified in the presence of primarily energetic maskers and speech babble maskers with varying numbers of talkers. Conclusions While differences in CAEP outcomes did not reach significance by number of talkers, neural components were significantly affected by speech babble maskers compared to nonspeech maskers. These results suggest an informational masking influence on neural encoding of speech information at the sensory cortical level of auditory processing, even without active participation on the part of the listener.

Phonetic Encoding Contributes to the Processing of Linguistic Prosody at the Word Level: Cross-Linguistic Evidence From Event-Related Potentials

2021 ◽  
pp. 1-11
Author(s):  
Luodi Yu ◽  
Jiajing Zeng ◽  
Suiping Wang ◽  
Yang Zhang
Keyword(s):  
Auditory Processing ◽  
Event Related Potentials ◽  
Event Related Potential ◽  
Acoustic Cues ◽  
Prosodic Features ◽  
Speech Stimuli ◽  
Word Level ◽  
Acoustic Control ◽  
Related Potentials ◽  
Prosodic Phonology

Purpose This study aimed to examine whether abstract knowledge of word-level linguistic prosody is independent of or integrated with phonetic knowledge. Method Event-related potential (ERP) responses were measured from 18 adult listeners while they listened to native and nonnative word-level prosody in speech and in nonspeech. The prosodic phonology (speech) conditions included disyllabic pseudowords spoken in Chinese and in English matched for syllabic structure, duration, and intensity. The prosodic acoustic (nonspeech) conditions were hummed versions of the speech stimuli, which eliminated the phonetic content while preserving the acoustic prosodic features. Results We observed language-specific effects on the ERP that native stimuli elicited larger late negative response (LNR) amplitude than nonnative stimuli in the prosodic phonology conditions. However, no such effect was observed in the phoneme-free prosodic acoustic control conditions. Conclusions The results support the integration view that word-level linguistic prosody likely relies on the phonetic content where the acoustic cues embedded in. It remains to be examined whether the LNR may serve as a neural signature for language-specific processing of prosodic phonology beyond auditory processing of the critical acoustic cues at the suprasyllabic level.

scholarly journals Event related potentials in cases of amblyaudia

2020 ◽  
Vol 6 (4) ◽  
pp. 747
Author(s):  
Wessam Mostafa Essawy
Keyword(s):  
Auditory Processing ◽  
Event Related Potentials ◽  
Speech Development ◽  
Screening Tests ◽  
Control Group ◽  
Auditory Information ◽  
Central Auditory Processing ◽  
Auditory Processing Disorders ◽  
Central Auditory Processing Disorders ◽  
Related Potentials

<p class="abstract"><strong>Background:</strong> Amblyaudia is a weakness in the listener’s binaural processing of auditory information. Subjects with amblyaudia also demonstrate binaural integration deficits and may display similar patterns in their evoked responses in terms of latency and amplitude of these responses. The purpose of this study was to identify the presence of amblyaudia in a population of young children subjects and to measure mismatch negativity (MMN), P300 and cortical auditory evoked potentials (CAEPs) for those individuals.</p><p class="abstract"><strong>Methods:</strong> Subjects included in this study were divided into 2 groups control group that consisted of 20 normal hearing subjects with normal developmental milestones and normal speech development. The study group (GII) consisted of 50 subjects with central auditory processing disorders (CAPDs) diagnosed by central auditory screening tests. </p><p class="abstract"><strong>Results:</strong> With using dichotic tests including dichotic digits test (DDT) and competing sentence test (CST), we could classify these cases into normal, dichotic dysaudia, amblyaudia, and amblyaudia plus with percentages (40%, 14%, 38%, 8% respectively). Using event related potentials, we found that P300 and MMN are more specific in detecting neurocognitive dysfunction related to allocation of attentional resources and immediate memory in these cases.</p><p class="abstract"><strong>Conclusions:</strong> The presence of amblyaudia in cases of central auditory processing disorders (CAPDs) and event related potentials is an objective tool for diagnosis, prognosis and follow up after rehabilitation.</p>

Auditory training in auditory processing disorders (APD)

2020 ◽  
Vol 33 (3) ◽  
Author(s):  
Magdalena Dunaj ◽  
Anna Lobaczuk-Sitnik ◽  
Malgorzata Rozanska ◽  
Emilia Duchnowska ◽  
Bozena Kosztyla-Hojna ◽  
...  
Keyword(s):  
Auditory Processing ◽  
Speech Therapy ◽  
Positive Impact ◽  
Therapeutic Process ◽  
Correct Diagnosis ◽  
Auditory Training ◽  
Diagnostic Code ◽  
Central Auditory Processing ◽  
Auditory Processing Disorders ◽  
Central Auditory Processing Disorders

Auditory processing disorders (APD) are characterized by a reduction in the efficiency of auditory processing, which results in a deficit in identifying and interpreting sounds by the brain. In 2017, auditory processing disorders were awarded an individual diagnostic code. Symptoms that indicate the presence of auditory processing disorders are numerous and non-specific. The primary symptom of impaired auditory processing is difficulty understanding speech in noise. This disorder affects about 5-7% of children. Most often, the result of at least two tests included in the set is considered to be the determinant which constitutes the basis for the diagnosis of disorders. In the diagnostic and therapeutic process of children with auditory processing disorders, the correct diagnosis is of key importance, thanks to which it will be possible to conduct an appropriate treatment. All therapeutic methods, tasks activating auditory perception and language skills should be selected reliably, individually for each participant of the therapy. The use of the so-called auditory training during corrective-compensatory and speech therapy classes in children with central auditory processing disorders should be the standard. It is the main method of treating children with central hearing impairment. Auditory training includes auditory education based on stimulating child’s auditory predispositions and on developing the ability to use them in order to gain better orientation in the environment. At present, therapists in Poland may use various types of therapeutic interactions that have a positive impact on the development of a child’s hearing skills. The aim of the work is to discuss auditory training and to present speech therapy exercises helpful in the therapeutic process of children with auditory processing disorders.

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