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Auditory temporal processing

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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
#1
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/28530663/a-cerebellum-like-circuit-in-the-auditory-system-cancels-responses-to-self-generated-sounds
#2
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/28528848/temporal-expectancies-driven-by-self-and-externally-generated-rhythms
#3
Alexander Jones, Yi-Fang Hsu, Lionel Granjon, Florian Waszak
The dynamic attending theory proposes that rhythms entrain periodic fluctuations of attention which modulate the gain of sensory input. However, temporal expectancies can also be driven by the mere passage of time (foreperiod effect). It is currently unknown how these two types of temporal expectancy relate to each other, i.e. whether they work in parallel and have distinguishable neural signatures. The current research addresses this issue. Participants either tapped a 1Hz rhythm (active task) or were passively presented with the same rhythm using tactile stimulators (passive task)...
May 18, 2017: NeuroImage
https://www.readbyqxmd.com/read/28527953/audiovisual-speech-integration-in-the-superior-temporal-region-is-dysfunctional-in-dyslexia
#4
REVIEW
Zheng Ye, Jascha Rüsseler, Ivonne Gerth, Thomas F Münte
Dyslexia is an impairment of reading and spelling that affects both children and adults even after many years of schooling. Dyslexic readers have deficits in the integration of auditory and visual inputs but the neural mechanisms of the deficits are still unclear. This fMRI study examined the neural processing of auditorily presented German numbers 0-9 and videos of lip movements of a German native speaker voicing numbers 0-9 in unimodal (auditory or visual) and bimodal (always congruent) conditions in dyslexic readers and their matched fluent readers...
May 17, 2017: Neuroscience
https://www.readbyqxmd.com/read/28527790/visual-cortex-signals-a-mismatch-between-regularity-of-auditory-and-visual-streams
#5
Michael Andric, Ben Davis, Uri Hasson
Understanding how humans code for and respond to environmental uncertainty/regularity is a question shared by current computational and neurobiological approaches to human cognition. To date, studies investigating neurobiological systems that track input uncertainty have examined responses to uni-sensory streams. It is not known, however, whether there exist brain systems that combine information about the regularity of input streams presented to different senses. We report an fMRI study that aimed to identify brain systems that relate statistical information across sensory modalities...
May 17, 2017: NeuroImage
https://www.readbyqxmd.com/read/28526621/electrophysiological-signatures-of-phonological-and-semantic-maintenance-in-sentence-repetition
#6
Jed A Meltzer, Aneta Kielar, Lilia Panamsky, Kira A Links, Tiffany Deschamps, Rosie C Leigh
Verbal short-term memory comprises resources for phonological rehearsal, which have been characterized anatomically, and for maintenance of semantic information, which are less understood. Sentence repetition tasks tap both processes interactively. To distinguish brain activity involved in phonological vs. semantic maintenance, we recorded magnetoencephalography during a sentence repetition task, incorporating three manipulations emphasizing one mechanism over the other. Participants heard sentences or word lists and attempted to repeat them verbatim after a 5-second delay...
May 16, 2017: NeuroImage
https://www.readbyqxmd.com/read/28522104/auditory-behavior-and-auditory-temporal-resolution-in-children-with-sleep-disordered-breathing
#7
Carlos Alberto Leite Filho, Fábio Ferreira da Silva, Márcia Pradella-Hallinan, Sandra Doria Xavier, Mônica Carolina Miranda, Liliane Desgualdo Pereira
OBJECTIVE: Intermittent hypoxia caused by obstructive sleep apnea syndrome (OSAS) may lead to damage in brain areas associated to auditory processing. The aim of this study was to compare children with OSAS or primary snoring (PS) to children without sleep-disordered breathing with regard to their performance on the Gaps-in-Noise (GIN) test and the Scale of Auditory Behaviors (SAB) questionnaire. METHODS: Thirty-seven children (6-12 years old) were submitted to sleep anamnesis and in-lab night-long polysomnography...
June 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28510618/auditory-processing-of-older-adults-with-probable-mild-cognitive-impairment
#8
Jerri D Edwards, Jennifer J Lister, Maya N Elias, Amber M Tetlow, Angela L Sardina, Nasreen A Sadeq, Amanda D Brandino, Aryn L Harrison Bush
Purpose: Studies suggest that deficits in auditory processing predict cognitive decline and dementia, but those studies included limited measures of auditory processing. The purpose of this study was to compare older adults with and without probable mild cognitive impairment (MCI) across two domains of auditory processing (auditory performance in competing acoustic signals and temporal aspects of audition). Method: The Montreal Cognitive Assessment (Nasreddine et al...
May 24, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28507127/development-of-visual-category-selectivity-in-ventral-visual-cortex-does-not-require-visual-experience
#9
Job van den Hurk, Marc Van Baelen, Hans P Op de Beeck
To what extent does functional brain organization rely on sensory input? Here, we show that for the penultimate visual-processing region, ventral-temporal cortex (VTC), visual experience is not the origin of its fundamental organizational property, category selectivity. In the fMRI study reported here, we presented 14 congenitally blind participants with face-, body-, scene-, and object-related natural sounds and presented 20 healthy controls with both auditory and visual stimuli from these categories. Using macroanatomical alignment, response mapping, and surface-based multivoxel pattern analysis, we demonstrated that VTC in blind individuals shows robust discriminatory responses elicited by the four categories and that these patterns of activity in blind subjects could successfully predict the visual categories in sighted controls...
May 15, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28506185/the-cascading-influence-of-multisensory-processing-on-speech-perception-in-autism
#10
Ryan A Stevenson, Magali Segers, Busisiwe L Ncube, Karen R Black, James M Bebko, Susanne Ferber, Morgan D Barense
It has been recently theorized that atypical sensory processing in autism relates to difficulties in social communication. Through a series of tasks concurrently assessing multisensory temporal processes, multisensory integration and speech perception in 76 children with and without autism, we provide the first behavioral evidence of such a link. Temporal processing abilities in children with autism contributed to impairments in speech perception. This relationship was significantly mediated by their abilities to integrate social information across auditory and visual modalities...
May 1, 2017: Autism: the International Journal of Research and Practice
https://www.readbyqxmd.com/read/28499839/does-emotion-change-auditory-prediction-and-deviance-detection
#11
Ana P Pinheiro, Carla Barros, Marcelo Dias, Margaret Niznikiewicz
In the last decades, a growing number of studies provided compelling evidence supporting the interplay of cognitive and affective processes. However, it remains to be clarified whether and how an emotional context affects the prediction and detection of change in unattended sensory events. In an event-related potential (ERP) study, we probed the modulatory role of pleasant, unpleasant and neutral visual contexts on the brain response to automatic detection of change in spectral (intensity) vs. temporal (duration) sound features...
May 9, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28495599/effects-of-the-brain-derived-neurotrophic-factor-val66met-polymorphism-and-resting-brain-functional-connectivity-on-individual-differences-in-tactile-cognitive-performance-in-healthy-young-adults
#12
Xuejuan Yang, Ziliang Xu, Lin Liu, Peng Liu, Jinbo Sun, Lingmin Jin, Yuanqiang Zhu, Ningbo Fei, Wei Qin
Cognitive processes involve input from multiple sensory modalities and obvious differences in the level of cognitive function can be observed between individuals. Evidence to date understanding the biological basis of tactile cognitive variability, however, is limited compared with other forms of sensory cognition. Data from auditory and visual cognition research suggest that variations in both genetics and intrinsic brain function might contribute to individual differences in tactile cognitive performance...
May 8, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28491045/modeling-timbre-similarity-of-short-music-clips
#13
Kai Siedenburg, Daniel Müllensiefen
There is evidence from a number of recent studies that most listeners are able to extract information related to song identity, emotion, or genre from music excerpts with durations in the range of tenths of seconds. Because of these very short durations, timbre as a multifaceted auditory attribute appears as a plausible candidate for the type of features that listeners make use of when processing short music excerpts. However, the importance of timbre in listening tasks that involve short excerpts has not yet been demonstrated empirically...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28484680/superior-semicircular-canal-dehiscence-in-a-patient-with-ehlers-danlos-syndrome-a-case-report
#14
Lawrance K Chung, Carlito Lagman, Daniel T Nagasawa, Quinton Gopen, Isaac Yang
Superior semicircular canal dehiscence (SSCD) is a bony defect in the middle cranial fossa floor that results in an abnormal connection between the inner ear and cranial vault. Although the etiology of SSCD remains unclear, an inappropriately thin or fragile temporal bone likely predisposes an individual towards developing SSCD. Ehlers-Danlos syndrome (EDS) constitutes a group of genetic connective tissue disorders caused by a defect in the production, processing, or structure of collagen, or its associated proteins...
April 6, 2017: Curēus
https://www.readbyqxmd.com/read/28483259/cortical-auditory-evoked-potentials-in-children-who-stutter
#15
Naema Ismail, Yossra Sallam, Reda Behery, Ameera Al Boghdady
INTRODUCTION: It has been hypothesized that impaired auditory processing influence the occurrence of stuttering. Also, it is suggested that speech perception in children who stutter differed from normal. Auditory processing should be investigated in children who stutter shortly after the onset of stuttering in order to evaluate the extent to which impaired auditory processing contributes to the development of stuttering. CAEPs provide the necessary temporal and spatial resolution to detect differences in auditory processing and the neural activity that is related or time-locked to the auditory stimulus...
June 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28483253/the-effects-of-postnatal-phthalate-exposure-on-the-development-of-auditory-temporal-processing-in-rats
#16
Bong Jik Kim, Jungyoon Kim, Vanhnansy Keoboutdy, Ho-Jang Kwon, Seung-Ha Oh, Jae Yun Jung, Il Yong Park, Ki Chung Paik
OBJECTIVE: The central auditory pathway is known to continue its development during the postnatal critical periods and is shaped by experience and sensory inputs. Phthalate, a known neurotoxic material, has been reported to be associated with attention deficits in children, impacting many infant neurobehaviors. The objective of this study was to investigate the potential effects of neonatal phthalate exposure on the development of auditory temporal processing. METHODS: Neonatal Sprague-Dawley rats were randomly assigned into two groups: The phthalate group (n = 6), and the control group (n = 6)...
June 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28474363/emotional-self-other-voice-processing-in-schizophrenia-and-its-relationship-with-hallucinations-erp-evidence
#17
Ana P Pinheiro, Neguine Rezaii, Andréia Rauber, Paul G Nestor, Kevin M Spencer, Margaret Niznikiewicz
Abnormalities in self-other voice processing have been observed in schizophrenia, and may underlie the experience of hallucinations. More recent studies demonstrated that these impairments are enhanced for speech stimuli with negative content. Nonetheless, few studies probed the temporal dynamics of self versus nonself speech processing in schizophrenia and, particularly, the impact of semantic valence on self-other voice discrimination. In the current study, we examined these questions, and additionally probed whether impairments in these processes are associated with the experience of hallucinations...
May 5, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28474268/binding-time-evidence-for-integration-of-temporal-stimulus-features
#18
Johanna Bogon, Roland Thomaschke, Gesine Dreisbach
Several lines of evidence suggest that during processing of events, the features of these events become connected via episodic bindings. Such bindings have been demonstrated for a large number of visual and auditory stimulus features, like color and orientation, or pitch and loudness. Importantly, most visual and auditory events typically also involve temporal features, like onset time or duration. So far, however, whether temporal stimulus features are also bound into event representations has never been tested directly...
May 4, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28464677/bi-directional-audiovisual-influences-on-temporal-modulation-discrimination
#19
Leonard Varghese, Samuel R Mathias, Seth Bensussen, Kenny Chou, Hannah R Goldberg, Yile Sun, Robert Sekuler, Barbara G Shinn-Cunningham
Cross-modal interactions of auditory and visual temporal modulation were examined in a game-like experimental framework. Participants observed an audiovisual stimulus (an animated, sound-emitting fish) whose sound intensity and/or visual size oscillated sinusoidally at either 6 or 7 Hz. Participants made speeded judgments about the modulation rate in either the auditory or visual modality while doing their best to ignore information from the other modality. Modulation rate in the task-irrelevant modality matched the modulation rate in the task-relevant modality (congruent conditions), was at the other rate (incongruent conditions), or had no modulation (unmodulated conditions)...
April 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28456088/neural-correlates-of-infants-sensitivity-to-vocal-expressions-of-peers
#20
Manuela Missana, Nicole Altvater-Mackensen, Tobias Grossmann
Responding to others' emotional expressions is an essential and early developing social skill among humans. Much research has focused on how infants process facial expressions, while much less is known about infants' processing of vocal expressions. We examined 8-month-old infants' processing of other infants' vocalizations by measuring event-related brain potentials (ERPs) to positive (infant laughter), negative (infant cries), and neutral (adult hummed speech) vocalizations. Our ERP results revealed that hearing another infant cry elicited an enhanced negativity (N200) at temporal electrodes around 200ms, whereas listening to another infant laugh resulted in an enhanced positivity (P300) at central electrodes around 300ms...
April 15, 2017: Developmental Cognitive Neuroscience
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