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Auditory sensitivity

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https://www.readbyqxmd.com/read/30515519/the-effects-of-static-and-moving-spectral-ripple-sensitivity-on-unaided-and-aided-speech-perception-in-noise
#1
Christi W Miller, Joshua G W Bernstein, Xuyang Zhang, Yu-Hsiang Wu, Ruth A Bentler, Kelly Tremblay
Purpose: This study evaluated whether certain spectral ripple conditions were more informative than others in predicting ecologically relevant unaided and aided speech outcomes. Method: A quasi-experimental study design was used to evaluate 67 older adult hearing aid users with bilateral, symmetrical hearing loss. Speech perception in noise was tested under conditions of unaided and aided, auditory-only and auditory-visual, and 2 types of noise. Predictors included age, audiometric thresholds, audibility, hearing aid compression, and modulation depth detection thresholds for moving (4-Hz) or static (0-Hz) 2-cycle/octave spectral ripples applied to carriers of broadband noise or 2000-Hz low- or high-pass filtered noise...
December 4, 2018: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/30507557/accessing-knowledge-of-the-here-and-now-a-new-technique-for-capturing-electromagnetic-markers-of-orientation-processing
#2
Sujoy Ghosh Hajra, Careesa C Liu, Xiaowei Song, Shaun D Fickling, Teresa P L Cheung, Ryan C N D'Arcy
OBJECTIVE: The ability to orient with respect to the current context (e.g. current time or location) is crucial for daily functioning, and is used to measure overall cognitive health across many frontline clinical assessments. However, these tests are often hampered by their reliance on verbal probes (e.g. 'What city are we in?') in evaluating orientation. Objective, physiology-based measures of orientation processing are needed, but no such measures are currently in existence. We report the initial development of potential brainwave-based markers of orientation processing as characterized using electroencephlography (EEG) and magnetoencephalography (MEG)...
December 3, 2018: Journal of Neural Engineering
https://www.readbyqxmd.com/read/30507237/emotional-modulation-of-the-pupil-response-in-psychopathy
#3
Daniel T Burley, Nicola S Gray, Robert J Snowden
Psychopathy is a form of personality disorder associated with a deficit in emotional processing. However, there is debate whether this deficit applies to all emotions or exists only for negative emotions. The pupil dilates rapidly in response to emotional stimuli, allowing a time-sensitive index of emotional processing. Across 3 experiments using (a) visual images of real-world scenes, (b) auditory sound clips, and (c) videos of dynamic facial expressions, we measured emotional modulation of the pupil response to both negative and positive stimuli...
December 3, 2018: Personality Disorders
https://www.readbyqxmd.com/read/30504092/investigating-peripheral-sources-of-speech-in-noise-variability-in-listeners-with-normal-audiograms
#4
S B Smith, J Krizman, C Liu, T White-Schwoch, T Nicol, N Kraus
A current initiative in auditory neuroscience research is to better understand why some listeners struggle to perceive speech-in-noise (SIN) despite having normal hearing sensitivity. Various hypotheses regarding the physiologic bases of this disorder have been proposed. Notably, recent work has suggested that the site of lesion underlying SIN deficits in normal hearing listeners may be either in "sub-clinical" outer hair cell damage or synaptopathic degeneration at the inner hair cell-auditory nerve fiber synapse...
November 22, 2018: Hearing Research
https://www.readbyqxmd.com/read/30503573/sensory-processing-in-children-with-autism-spectrum-disorder-and-the-mental-health-of-primary-caregivers
#5
Kanae Suzuki, Shu Takagai, Masatsugu Tsujii, Hiroyuki Ito, Tomoko Nishimura, Kenji J Tsuchiya
BACKGROUND: Sensory processing difficulties, which commonly occur in autism spectrum disorder (ASD), are expected to have negative effects on the primary caregiver's mental health. The aim of this study was to examine the association between sensory processing difficulties in children with ASD and the mental health of primary caregivers. METHODS: A total of 707 primary caregivers (mothers in the present study) and their children with ASD (4-18 years of age) participated in this study...
November 28, 2018: Brain & Development
https://www.readbyqxmd.com/read/30486517/audiovisual-lexical-retrieval-deficits-following-left-hemisphere-stroke
#6
Brenda Hanna-Pladdy, Hyun Choi, Brian Herman, Spenser Haffey
Binding sensory features of multiple modalities of what we hear and see allows formation of a coherent percept to access semantics. Previous work on object naming has focused on visual confrontation naming with limited research in nonverbal auditory or multisensory processing. To investigate neural substrates and sensory effects of lexical retrieval, we evaluated healthy adults ( n = 118) and left hemisphere stroke patients (LHD, n = 42) in naming manipulable objects across auditory (sound), visual (picture), and multisensory (audiovisual) conditions...
November 28, 2018: Brain Sciences
https://www.readbyqxmd.com/read/30484858/vocal-motor-control-and-central-auditory-impairments-in-unilateral-vocal-fold-paralysis
#7
Molly L Naunheim, Katherine C Yung, Sarah L Schneider, Jennifer Henderson-Sabes, Hardik Kothare, Danielle Mizuiri, David J Klein, John F Houde, Srikantan S Nagarajan, Steven W Cheung
OBJECTIVES: To evaluate differences in vocal motor control and central auditory processing between treated unilateral vocal fold paralysis (UVFP) and healthy control cohorts. STUDY DESIGN: Cross-sectional. METHODS: Ten UVFP study patients treated by type I thyroplasty with stable voices were compared to 12 control subjects for vocal motor control using a pitch perturbation response task and central auditory processing performance using a battery of complex sound intelligibility assays that included adverse temporal and noise conditions...
November 28, 2018: Laryngoscope
https://www.readbyqxmd.com/read/30484121/sensitivity-of-eq-5d-3l-hui2-hui3-and-sf-6d-to-changes-in-speech-reception-and-tinnitus-associated-with-cochlear-implantation
#8
A Q Summerfield, G R Barton
PURPOSE: There is concern that some generic preference-based measures (GPMs) of health-related quality of life may be insensitive to interventions that improve hearing. Establishing where sensitivity arises could contribute to the design of improved measures. Accordingly, we compared the sensitivity of four widely used GPMs to a clinically effective treatment-cochlear implantation-which restores material degrees of hearing to adults with little or no functional hearing. METHODS: Participants (N = 147) received implants in any of 13 hospitals in the UK...
November 27, 2018: Quality of Life Research
https://www.readbyqxmd.com/read/30474688/effects-of-stimulus-intensity-and-auditory-white-noise-on-human-somatosensory-cognitive-processing-a-study-using-event-related-potentials
#9
Haruka Mizukami, Ryusuke Kakigi, Hiroki Nakata
Exposure to auditory white noise has been shown to facilitate cognitive function. This phenomenon is often called stochastic resonance, and a moderate amount of auditory noise has been suggested to benefit individuals in hypodopaminergic states. Previous studies using psychophysic methods reported that stochastic resonance was sensitive to stimulus intensity; however, the relationship between neural activities elicited by different stimulus intensities and auditory white noise has not yet been clarified Thus, the present study aimed to investigate the effects of stimulus intensity (Experiment 1) and auditory white noise (Experiment 2) on behavioral data (reaction time (RT), the standard deviation of RT, and error rates), and the N140 and P300 components of event-related potentials (ERPs) in somatosensory Go/No-go paradigms...
November 24, 2018: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/30473471/expectation-affects-neural-repetition-suppression-in-infancy
#10
Lauren L Emberson, Alex M Boldin, Claire E Robertson, Grace Cannon, Richard N Aslin
Recent work provides evidence that the infant brain is able to make top-down predictions, but this has been explored only in limited contexts and domains. We build upon this evidence of predictive processing in infants using a new paradigm to examine auditory repetition suppression (RS). RS is a well-documented neural phenomenon in which repeated presentations of the same stimulus result in reduced neural activation compared to non-repeating stimuli. Many theories explain RS using bottom-up mechanisms, but recent work has posited that top-down expectation and predictive coding may bias, or even explain, RS...
November 13, 2018: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/30472387/the-association-between-hearing-impairment-and-neural-envelope-encoding-at-different-ages
#11
Tine Goossens, Charlotte Vercammen, Jan Wouters, Astrid van Wieringen
Hearing impairment goes with speech perception difficulties, presumably not only because of poor hearing sensitivity but also because of altered central auditory processing. Critical herein is temporal processing of the speech envelope, mediated by synchronization of neural activity to the envelope modulations. It has been suggested that hearing impairment is associated with enhanced sensitivity to envelope modulations which, in turn, relates to poorer speech perception. To verify this hypothesis, we performed a comparative electrophysiological study in hearing-impaired (HI) and normal-hearing (NH) human listeners of three age groups, investigating neural envelope encoding...
October 11, 2018: Neurobiology of Aging
https://www.readbyqxmd.com/read/30471470/intentional-binding-coincides-with-explicit-sense-of-agency
#12
Shu Imaizumi, Yoshihiko Tanno
Sense of agency, a feeling of generating actions and events by oneself, stems from action-outcome congruence. An implicit marker of sense of agency is intentional binding, which is compression of subjective temporal interval between action and outcome. We investigated relationships between intentional binding and explicit sense of agency. Participants pressed a key triggering auditory (Experiment 1) or visual outcome (Experiment 2) that occurred after variable delays. In each trial, participants rated their agency over the outcome and estimated the keypress-outcome temporal interval...
November 21, 2018: Consciousness and Cognition
https://www.readbyqxmd.com/read/30461415/early-indices-of-reduced-cochlear-function-in-young-adults-with-type-1-diabetes-revealed-by-dpoae-fine-structure
#13
Christopher Spankovich, Glenis R Long, Linda J Hood
BACKGROUND: The relationship between type-1 diabetes mellitus (DM) and cochlear dysfunction remains inconclusive. PURPOSE: The purpose of this study was to examine otoacoustic emissions (OAEs) in normal-hearing young adults with type-1 DM as compared with matched controls and identify potential covariates influencing OAE findings. RESEARCH DESIGN: Cross-sectional study. STUDY SAMPLE: N = 40 young adults aged 18-28 years including individuals with type-1 DM (n = 20) and age-gender matched controls (n = 20) with normal hearing sensitivity...
September 25, 2018: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/30461407/hormones-and-hearing-central-auditory-processing-in-women
#14
Skylar Trott, Trey Cline, Jeffrey Weihing, Deidra Beshear, Matthew Bush, Jennifer Shinn
BACKGROUND: Estrogen has been identified as playing a key role in many organ systems. Recently, estrogen has been found to be produced in the human brain and is believed contribute to central auditory processing. After menopause, a low estrogen state, many women report hearing loss but demonstrate no deficits in peripheral hearing sensitivity, which support the notion that estrogen plays an effect on central auditory processing. Although animal research on estrogen and hearing loss is extensive, there is little in the literature on the human model...
September 23, 2018: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/30458524/spontaneous-otoacoustic-emissions-reveal-an-efficient-auditory-efferent-network
#15
Viorica Marian, Tuan Q Lam, Sayuri Hayakawa, Sumitrajit Dhar
Purpose: Understanding speech often involves processing input from multiple modalities. The availability of visual information may make auditory input less critical for comprehension. This study examines whether the auditory system is sensitive to the presence of complementary sources of input when exerting top-down control over the amplification of speech stimuli. Method: Auditory gain in the cochlea was assessed by monitoring spontaneous otoacoustic emissions (SOAEs), which are by-products of the amplification process...
November 8, 2018: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/30458038/effect-of-behavioral-inhibition-system-and-childhood-emotional-neglect-on-serotonergic-activity-negative-affect-and-rejection-sensitivity-in-non-clinical-adults
#16
Min Jin Jin, Wookyoung Jung, Myoung Ho Hyun, Seung-Hwan Lee
INTRODUCTION: Behavioral inhibition system (BIS) has a strong genetic basis, and emotional neglect (EN) in childhood is one of many environmental experiences that can affect individuals. This study aimed to examine the effects and interaction between BIS and EN on central serotonergic activity and other negative affect and cognition. METHODS: A total of 153 non-clinical volunteers (54 men and 99 women; average age, 27.72 years, standard deviation = 6.40) were included in the analyses...
2018: PloS One
https://www.readbyqxmd.com/read/30455746/cochlear-dysfunction-and-microvascular-complications-in-patients-with-type-1-diabetes-mellitus
#17
João Soares Felício, Lilian de Souza d'Albuquerque Silva, Carlliane Lima E Lins Pinto Martins, João Felício Abrahão Neto, Manuela Nascimento de Lemos, Fabrício de Souza Resende, Wanderson Maia da Silva, Angélica Leite de Alcântara, Maria Clara Neres Iunes de Oliveira, Norberto Jorge Kzan de Souza Neto, Isabela Imbelloni Farias de Franco, Nathalie Abdallah Zahalan, Luísa Correa Janaú, Ana Carolina Contente Braga de Souza, Flavia Marques Santos, Natércia Neves Marques de Queiroz, Neyla Arroyo Lara Mourão, Márcia Costa Dos Santos, Karem Miléo Felício, Franciane Trindade Cunha de Melo
Sensorineural hearing impairment has been associated with DM, and it is probably linked to the same pathophysiological mechanisms as well-established in microvascular diabetes complications. The study of otoacoustic emissions (OAEs) is useful to identify subclinical cochlear dysfunction. Therefore, the aim of this study was to evaluate the association between abnormal OAEs responses, diabetic kidney disease (DKD) and diabetic cardiac autonomic neuropathy (CAN). We performed a cross-sectional study with 37 type 1 DM patients without auditory symptoms, submitted to the study of Distortion Product Otoacoustic Emissions (DPOAEs) and screened for DKD and CAN...
2018: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/30455550/short-term-memory-span-in-aphasia-insights-from-speech-timing-measures
#18
Christos Salis, Nadine Martin, Sarah V Meehan, Kevin McCaffery
Auditory-verbal short-term memory impairments are part and parcel of aphasia and interfere with linguistic processing. To date, the science about short-term memory impairments in aphasia has been generated and dominated by studying measures of accuracy, that is, span length. Because accuracy is expressed through speech, examining the speech-timing characteristics of persons with aphasia as they engage in spoken recall could reveal insights about the manner in which accuracy is achieved. Six speech-timing measures (e...
November 2018: Journal of Neurolinguistics
https://www.readbyqxmd.com/read/30452935/low-and-medium-frequency-auditory-steady-state-responses-decrease-during-nrem-sleep
#19
Urszula Górska, Marek Binder
Previous research on auditory steady-state responses (ASSRs) demonstrated sensitivity of 40 Hz ASSR to changes in the level of arousal, both in sleep and in general anaesthesia. In this study we extended the range of stimulation frequencies, using also low and medium stimulation frequencies (4, 6, 8, 12, 20, 40 Hz) and studied their susceptibility to the loss of consciousness in NREM sleep (N2 and N3 stages). Effects of NREM sleep were examined in power domain with relative power (RP), and in phase domain using inter-trial phase coherence (PC) parameter...
November 16, 2018: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/30451099/what-keeps-older-adults-with-hearing-impairment-from-adopting-hearing-aids
#20
Maike A S Tahden, Anja Gieseler, Markus Meis, Kirsten C Wagener, Hans Colonius
The aim of this study was to compare elderly individuals who are hearing impaired but inexperienced in using hearing aids (hearing aid non-users; HA-NU) with their aided counterparts (hearing aid users; HA-U) across various auditory and non-auditory measures in order to identify differences that might be associated with the low hearing aid uptake rate. We have drawn data of 72 HA-NU and 139 HA-U with a mild-to-moderate hearing loss, and matched these two groups on the degree of hearing impairment, age, and sex...
January 2018: Trends in Hearing
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