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Auditory Processing

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https://www.readbyqxmd.com/read/28546963/auditory-processing-abilities-of-parkinson-s-disease-patients
#1
Robert L Folmer, Jay J Vachhani, Sarah M Theodoroff, Rachel Ellinger, Amy Riggins
Since Parkinson's Disease (PD) primarily affects older people, a majority of PD patients have age-related hearing loss (HL) that will worsen over time. The goal of this study was to assess peripheral and central auditory functions in a population of PD patients and compare the results with a group of age-matched control subjects. Study participants included 35 adults with PD (mean age = 66.9 ± 11.2 years) and a group of 35 healthy control subjects (mean age = 65.4 ± 12.3 years). Assessments included questionnaires, neuropsychological tests, audiometric testing, and a battery of central auditory processing tests...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28545016/statistical-learning-and-auditory-processing-in-children-with-music-training-an-erp-study
#2
Pragati Rao Mandikal Vasuki, Mridula Sharma, Ronny Ibrahim, Joanne Arciuli
OBJECTIVE: The question whether musical training is associated with enhanced auditory and cognitive abilities in children is of considerable interest. In the present study, we compared children with music training versus those without music training across a range of auditory and cognitive measures, including the ability to detect implicitly statistical regularities in input (statistical learning). METHODS: Statistical learning of regularities embedded in auditory and visual stimuli was measured in musically trained and age-matched untrained children between the ages of 9-11years...
April 26, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28542644/pre-target-neural-oscillations-predict-variability-in-the-detection-of-small-pitch-changes
#3
Esther Florin, Dominique Vuvan, Isabelle Peretz, Sylvain Baillet
Pitch discrimination is important for language or music processing. Previous studies indicate that auditory perception depends on pre-target neural activity. However, so far the pre-target electrophysiological conditions which enable the detection of small pitch changes are not well studied, but might yield important insights into pitch-processing. We used magnetoencephalography (MEG) source imaging to reveal the pre-target effects of successful auditory detection of small pitch deviations from a sequence of standard tones...
2017: PloS One
https://www.readbyqxmd.com/read/28542290/new-paradigm-for-auditory-paired-pulse-suppression
#4
Nobuyuki Takeuchi, Shunsuke Sugiyama, Koji Inui, Kousuke Kanemoto, Makoto Nishihara
Sensory gating is a mechanism of sensory processing used to prevent an overflow of irrelevant information, with some indexes, such as prepulse inhibition (PPI) and P50 suppression, often utilized for its evaluation. In addition, those are clinically important for diseases such as schizophrenia. In the present study, we investigated long-latency paired-pulse suppression of change-related cortical responses using magnetoencephalography. The test change-related response was evoked by an abrupt increase in sound pressure by 15 dB in a continuous sound composed of a train of 25-ms pure tones at 65 dB...
2017: PloS One
https://www.readbyqxmd.com/read/28540479/the-role-of-learning-in-sensory-motor-modality-switching
#5
Simone Schaeffner, Iring Koch, Andrea M Philipp
Previous research has indicated that modality switching is considerably affected by modality compatibility. It has been shown that switch costs are higher for switching between relatively incompatible sensory-motor modality mappings (i.e., auditory-manual and visual-vocal) compared to switching between compatible mappings (i.e., auditory-vocal and visual-manual). So far, however, it has been unclear whether these findings are influenced by learning processes resulting from very small stimulus sets and a large number of stimulus repetitions...
May 24, 2017: Psychological Research
https://www.readbyqxmd.com/read/28539954/differential-histone-acetylation-in-sub-regions-of-bed-nucleus-of-the-stria-terminalis-underlies-fear-consolidation-and-extinction
#6
Vandana Ranjan, Sanjay Singh, Sarfraj Ahmad Siddiqui, Sukanya Tripathi, Mohd Yahiya Khan, Anand Prakash
OBJECTIVE: The hallmark of anxiety disorders is excessive fear. Previous studies have suggested that selective neural projections from Basal nucleus of stria terminalis (BNST) to amygdala and vice-versa precisely control the fear learning process. However the exact mechanism how the BNST controls fear consolidation and its extinction is largely unknown. In the present study we observed the changes in the BNST sub-regions following fear conditioning and its extinction. METHODS: The change in the number of positive neurons was determined by immunohistochemistry for Acetyl H3 (Histone 3), Acetyl H4 (Histone 4), cAMP response element binding Protein (CBP) and c-fos in three sub-regions of the BNST namely the anterio-lateral BNST (STLP) and anterio-medial BNST (STMA), and lateral-ventral BNST (STLV) of rats subjected to auditory fear conditioning and extinction...
May 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/28539523/courtship-song-preferences-in-female-zebra-finches-are-shaped-by-developmental-auditory-experience
#7
Yining Chen, Oliver Clark, Sarah C Woolley
The performance of courtship signals provides information about the behavioural state and quality of the signaller, and females can use such information for social decision-making (e.g. mate choice). However, relatively little is known about the degree to which the perception of and preference for differences in motor performance are shaped by developmental experiences. Furthermore, the neural substrates that development could act upon to influence the processing of performance features remains largely unknown...
May 31, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28538833/research-about-suppression-effect-and-auditory-processing-in-individuals-who-stutter
#8
Cláudia Fassin Arcuri, Ana Maria Schiefer, Marisa Frasson de Azevedo
Purpose: To verify the auditory processing abilities and occurrence of the suppression effect of Otoacoustic Emissions (OAE) in individuals who stutter. Methods: The study sample comprised 15 adult individuals who stutter, aged 18-40 years, with stuttering severity ranging from mild to severe, paired according to gender, age, and schooling with individuals without speech complaint or disorder. All participants underwent conventional clinical evaluation, specific stuttering assessment, and basic (audiometry, imitanciometry, and measurement of acoustic reflexes) and specific (auditory processing evaluation and measurement of suppression effect of OAEs) audiological assessments...
May 22, 2017: CoDAS
https://www.readbyqxmd.com/read/28538829/maturation-of-long-latency-auditory-evoked-potentials-in-hearing-children-systematic-review
#9
Liliane Aparecida Fagundes Silva, Fernanda Cristina Leite Magliaro, Ana Claudia Martinho de Carvalho, Carla Gentile Matas
Purpose: To analyze how Auditory Long Latency Evoked Potentials (LLAEP) change according to age in children population through a systematic literature review. Research strategies: After formulation of the research question, a bibliographic survey was done in five data bases with the following descriptors: Electrophysiology (Eletrofisiologia), Auditory Evoked Potentials (Potenciais Evocados Auditivos), Child (Criança), Neuronal Plasticity (Plasticidade Neuronal) and Audiology (Audiologia)...
May 15, 2017: CoDAS
https://www.readbyqxmd.com/read/28538467/dichotic-listening-deficit-associated-with-solvent-exposure
#10
Simon P Landry, Adrian Fuente
HYPOTHESIS: A significant left ear deficit can be observed in solvent-exposed individuals using the dichotic digit test. BACKGROUND: Solvents are ubiquitous in global industrial processes. Due to their lipophilic nature, solvents can adversely affect large white matter tracks such as the corpus callosum. Previous investigations reveal that long-term workplace exposure to solvents is also deleterious to various auditory processes. Investigations in exposed populations suggest a decreased performance for dichotic listening...
May 22, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28538047/auditory-processing-disorder-what-does-it-mean-and-what-can-be-done
#11
Krista Bartlett, Elissa Kelley, Julie Purdy, Martin T Stein
Julian, an 11-year-old boy in the sixth grade with a compliant disposition and a positive attitude, has had a significant decline in his academic performance over the last 2 years. He spends much of his time in the nurse's office with headaches and fatigue. He reports that he cannot concentrate or follow along in class. Vision and hearing screenings were normal.Julian's teachers report that although he has no behavior problem, he is inattentive and does not put forth the effort she feels he is capable of giving...
May 22, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28536516/multi-regional-adaptation-in-human-auditory-association-cortex
#12
Urszula Malinowska, Nathan E Crone, Frederick A Lenz, Mackenzie Cervenka, Dana Boatman-Reich
In auditory cortex, neural responses decrease with stimulus repetition, known as adaptation. Adaptation is thought to facilitate detection of novel sounds and improve perception in noisy environments. Although it is well established that adaptation occurs in primary auditory cortex, it is not known whether adaptation also occurs in higher auditory areas involved in processing complex sounds, such as speech. Resolving this issue is important for understanding the neural bases of adaptation and to avoid potential post-operative deficits after temporal lobe surgery for treatment of focal epilepsy...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28536514/coupling-of-action-perception-brain-networks-during-musical-pulse-processing-evidence-from-region-of-interest-based-independent-component-analysis
#13
Iballa Burunat, Valeri Tsatsishvili, Elvira Brattico, Petri Toiviainen
Our sense of rhythm relies on orchestrated activity of several cerebral and cerebellar structures. Although functional connectivity studies have advanced our understanding of rhythm perception, this phenomenon has not been sufficiently studied as a function of musical training and beyond the General Linear Model (GLM) approach. Here, we studied pulse clarity processing during naturalistic music listening using a data-driven approach (independent component analysis; ICA). Participants' (18 musicians and 18 controls) functional magnetic resonance imaging (fMRI) responses were acquired while listening to music...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28535073/paced-auditory-serial-addition-test-pasat-3-0%C3%A2-s-demographically-corrected-norms-for-the-portuguese-population
#14
Claudia Sofia Sousa, Mariana Rigueiro Neves, Ana Margarida Passos, Aristides Ferreira, Maria José Sá
The main goal of this study was to produce adjusted normative data for the Portuguese population on the Paced Auditory Serial Addition Test (PASAT 3.0 s), the version used in the Brief Repeatable Battery of Neuropsychological Tests developed by the National Multiple Sclerosis Society. The study included 326 community-dwelling individuals (199 women and 127 men) aged between 20 and 70 (mean = 40.33, SD = 14.40), who had educational backgrounds ranging from 4 to 23 years of schooling (mean = 12...
May 23, 2017: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/28534735/the-use-of-the-gaps-in-noise-test-as-an-index-of-the-enhanced-left-temporal-cortical-thinning-associated-with-the-transition-between-mild-cognitive-impairment-and-alzheimer-s-disease
#15
Vasiliki Vivian Iliadou, Doris-Eva Bamiou, Christos Sidiras, Nikolaos P Moschopoulos, Magda Tsolaki, Ioannis Nimatoudis, Gail D Chermak
BACKGROUND: The known link between auditory perception and cognition is often overlooked when testing for cognition. PURPOSE: To evaluate auditory perception in a group of older adults diagnosed with mild cognitive impairment (MCI). RESEARCH DESIGN: A cross-sectional study of auditory perception. STUDY SAMPLE: Adults with MCI and adults with no documented cognitive issues and matched hearing sensitivity and age. DATA COLLECTION: Auditory perception was evaluated in both groups, assessing for hearing sensitivity, speech in babble (SinB), and temporal resolution...
May 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28533517/vortioxetine-reduces-bold-signal-during-performance-of-the-n-back-working-memory-task-a-randomised-neuroimaging-trial-in-remitted-depressed-patients-and-healthy-controls
#16
J Smith, M Browning, S Conen, R Smallman, J Buchbjerg, K G Larsen, C K Olsen, S R Christensen, G R Dawson, J F Deakin, P Hawkins, R Morris, G Goodwin, C J Harmer
Cognitive dysfunction is common in depression during both acute episodes and remission. Vortioxetine is a novel multimodal antidepressant that has improved cognitive function including executive function in depressed patients in randomised placebo-controlled clinical trials. However, it is unclear whether vortioxetine is able to target directly the neural circuitry implicated in the cognitive deficits in depression. Remitted depressed (n=48) and healthy volunteers (n=48) were randomised to receive 14 days treatment with 20 mg vortioxetine or placebo in a double-blind design...
May 23, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28532644/increasing-gaba-reverses-age-related-alterations-in-excitatory-receptive-fields-and-intensity-coding-of-auditory-midbrain-neurons%C3%A2-in%C3%A2-aged-mice
#17
Elliott J Brecht, Kathy Barsz, Benjamin Gross, Joseph P Walton
A key feature of age-related hearing loss is a reduction in the expression of inhibitory neurotransmitters in the central auditory system. This loss is partially responsible for changes in central auditory processing, as inhibitory receptive fields play a critical role in shaping neural responses to sound stimuli. Vigabatrin (VGB), an antiepileptic agent that irreversibly inhibits γ-amino butyric acid (GABA) transaminase, leads to increased availability of GABA throughout the brain. This study used multi-channel electrophysiology measurements to assess the excitatory frequency response areas in old CBA mice to which VGB had been administered...
April 12, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28530663/a-cerebellum-like-circuit-in-the-auditory-system-cancels-responses-to-self-generated-sounds
#18
Shobhit Singla, Conor Dempsey, Richard Warren, Armen G Enikolopov, Nathaniel B Sawtell
The dorsal cochlear nucleus (DCN) integrates auditory nerve input with a diverse array of sensory and motor signals processed in circuitry similar to that of the cerebellum. Yet how the DCN contributes to early auditory processing has been a longstanding puzzle. Using electrophysiological recordings in mice during licking behavior, we show that DCN neurons are largely unaffected by self-generated sounds while remaining sensitive to external acoustic stimuli. Recordings in deafened mice, together with neural activity manipulations, indicate that self-generated sounds are cancelled by non-auditory signals conveyed by mossy fibers...
May 22, 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/28529495/determining-the-association-between-language-and-cognitive-tests-in-poststroke-aphasia
#19
Kylie J Wall, Toby B Cumming, David A Copland
BACKGROUND: Individuals with aphasia are often excluded from studies exploring poststroke cognition because so many of the standard cognitive assessments rely on language ability. Our primary objective was to examine the association between performance on cognitive tests and performance on comprehension and naming tests in poststroke aphasia. Second, we aimed to determine the association between language performance and a real-life measure of cognition (Kettle Test). Third, we explored the feasibility of administering cognitive tests in aphasia...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28529478/slow-and-fast-responses-two-mechanisms-of-trial-outcome-processing-revealed-by-eeg-oscillations
#20
Nikita A Novikov, Yulia M Nurislamova, Natalia A Zhozhikashvili, Evgenii E Kalenkovich, Anna A Lapina, Boris V Chernyshev
Cognitive control includes maintenance of task-specific processes related to attention, and non-specific regulation of motor threshold. Depending upon the nature of the behavioral tasks, these mechanisms may predispose to different kinds of errors, with either increased or decreased response time (RT) of erroneous responses relative to correct responses. Specifically, slow responses are related to attentional lapses and decision uncertainty, these conditions tending to delay RTs of both erroneous and correct responses...
2017: Frontiers in Human Neuroscience
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