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https://www.readbyqxmd.com/read/28234597/calcium-calmodulin-dependent-serine-protein-kinase-cask-a-protein-implicated-in-mental-retardation-and-autism-spectrum-disorders-interacts-with-t-brain-1-tbr1-to-control-extinction-of-associative-memory-in-male-mice
#1
Tzyy-Nan Huang, Yi-Ping Hsueh
BACKGROUND: Human genetic studies have indicated that mutations in calcium/calmodulin-dependent serine protein kinase (CASK) result in X-linked mental retardation and autism-spectrum disorders. We aimed to establish a mouse model to study how Cask regulates mental ability. METHODS: Because Cask encodes a multidomain scaffold protein, a possible strategy to dissect how CASK regulates mental ability and cognition is to disrupt specific protein-protein interactions of CASK in vivo and then investigate the impact of individual specific protein interactions...
January 2017: Journal of Psychiatry & Neuroscience: JPN
https://www.readbyqxmd.com/read/28233776/gait-improvement-via-rhythmic-stimulation-in-parkinson-s-disease-is-linked-to-rhythmic-skills
#2
Simone Dalla Bella, Charles-Etienne Benoit, Nicolas Farrugia, Peter E Keller, Hellmuth Obrig, Stefan Mainka, Sonja A Kotz
Training based on rhythmic auditory stimulation (RAS) can improve gait in patients with idiopathic Parkinson's disease (IPD). Patients typically walk faster and exhibit greater stride length after RAS. However, this effect is highly variable among patients, with some exhibiting little or no response to the intervention. These individual differences may depend on patients' ability to synchronize their movements to a beat. To test this possibility, 14 IPD patients were submitted to RAS for four weeks, in which they walked to music with an embedded metronome...
February 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28232817/analysis-of-audiometric-differences-of-patients-with-and-without-tinnitus-in-a-large-clinical-database
#3
Dominik Gollnast, Konstantin Tziridis, Patrick Krauss, Achim Schilling, Ulrich Hoppe, Holger Schulze
Human hearing loss (HL) and comorbidities like tinnitus pose serious problems for people's daily life, which in most severe cases may lead to social isolation, depression, and suicide. Here, we investigate the relationship between hearing deficits and tinnitus. To this end, we conducted a retrospective study on anonymized pure tone and speech audiometric data from patients of the ENT hospital Erlangen in which we compare audiometric data between patients with and without tinnitus. Overall data from 37,661 patients with sensorineural (SHL) or conductive HL (CHL) with (T, 9...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28232791/matching-pursuit-analysis-of-auditory-receptive-fields-spectro-temporal-properties
#4
Jörg-Hendrik Bach, Birger Kollmeier, Jörn Anemüller
Gabor filters have long been proposed as models for spectro-temporal receptive fields (STRFs), with their specific spectral and temporal rate of modulation qualitatively replicating characteristics of STRF filters estimated from responses to auditory stimuli in physiological data. The present study builds on the Gabor-STRF model by proposing a methodology to quantitatively decompose STRFs into a set of optimally matched Gabor filters through matching pursuit, and by quantitatively evaluating spectral and temporal characteristics of STRFs in terms of the derived optimal Gabor-parameters...
2017: Frontiers in Systems Neuroscience
https://www.readbyqxmd.com/read/28231824/assessment-and-rehabilitation-of-central-sensory-impairments-for-balance-in-mtbi-using-auditory-biofeedback-a-randomized-clinical-trial
#5
Peter C Fino, Robert J Peterka, Timothy E Hullar, Chad Murchison, Fay B Horak, James C Chesnutt, Laurie A King
BACKGROUND: Complaints of imbalance are common non-resolving signs in individuals with post-concussive syndrome. Yet, there is no consensus rehabilitation for non-resolving balance complaints following mild traumatic brain injury (mTBI). The heterogeneity of balance deficits and varied rates of recovery suggest varied etiologies and a need for interventions that address the underlying causes of poor balance function. Our central hypothesis is that most chronic balance deficits after mTBI result from impairments in central sensorimotor integration that may be helped by rehabilitation...
February 23, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28231578/biomarkers-for-hearing-dysfunction-facts-and-outlook
#6
Lukas Rüttiger, Ulrike Zimmermann, Marlies Knipper
In medicine, biomarkers are a metric for disease state. More generally, a biomarker is anything that can be used as an indicator for a particular disease state or any physiological state of an organism. Here, we introduce functional and molecular biomarkers that are useful for categorizing defined subtypes of hearing disorder, which can help to selectively trace a particular dysfunction of the inner ear and the auditory pathway to disease.
February 24, 2017: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/28231476/evaluation-of-cognitive-performance-in-professional-divers-by-means-of-event-related-potentials-and-neuropsychology
#7
Mehmet Ergen, Atilla Uslu, Ozlem Caglar, Sukriye Akca-Kalem, Maide Cimsit, Hakan Gurvit
OBJECTIVE: We investigated whether professional air diving with no decompression illness causes any long-term changes in cognitive functions. METHODS: The all-male participants consisted of 18 healthy control (HC) volunteers and 32 divers. Divers were divided into two subgroups as moderate exposure group, Divers-I (DI) and extensive exposure group, Divers-II (DII). Participants were administered a comprehensive neuropsychological battery and event-related potentials (ERPs) were recorded while they performed auditory oddball task and visual continuous performance test (CPT)...
January 29, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28231474/early-disturbances-in-multimodal-evoked-potentials-as-a-prognostic-factor-for-long-term-disability-in-relapsing-remitting-multiple-sclerosis-patients
#8
Frédéric London, Souraya El Sankari, Vincent van Pesch
OBJECTIVE: The aim of this study was to investigate whether early alterations in evoked potentials (EPs) have a prognostic value in relapsing-remitting multiple sclerosis (RRMS). METHODS: We retrospectively selected 108 early MS patients with a neurological follow-up ranging from 5 to 15years, in whom multimodal EPs (visual, brainstem auditory, somatosensory and motor) were performed at diagnosis. A conventional ordinal score was used to quantify the observed abnormalities...
January 28, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28231459/multisensory-conflict-resolution-should-i-stay-or-should-i-go
#9
Daniel B Polley
Swift action is often required in the face of indeterminate sensory evidence. In this issue of Neuron, Song et al. (2017) describe an inhibitory circuit in the posterior parietal cortex that evaluates conflicting auditory and visual cues and supports resolute perceptual decision making.
February 22, 2017: Neuron
https://www.readbyqxmd.com/read/28231378/unbalanced-synaptic-inputs-underlying-multi-peaked-frequency-selectivity-in-rat-auditory-cortex
#10
Chang Zhou, Can Tao, Guangwei Zhang, Sumei Yan, Lijuan Wang, Yi Zhou, Ying Xiong
By measuring the frequency selectivity at different intensities in the primary auditory cortex of adult rats, we found that a small group of cortical neurons can exhibit relatively weak but robust selectivity at multiple frequencies that are different from the most preferred frequency. Both in vivo multi-unit recordings (26/93 recordings) and single-unit recordings (16/137 neurons) confirmed that the preferred frequencies are periodic and have an averaged bandwidth (BW) of 0.3-0.4 octaves, which leads to multi-peaked frequency selectivity...
February 23, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28230418/effect-of-age-on-attentional-control-in-dual-tasking
#11
Bianca Bier, Nick Corriveau Lecavalier, Dominique Malenfant, Isabelle Peretz, Sylvie Belleville
: Background/Study Context: The age-related differences in divided attention and attentional control have been associated with several negative outcomes later in life. However, numerous questions remain unanswered regarding the nature of these age differences and the role of attentional control abilities in dual-tasking. The aim of this study was to evaluate the sources for age differences in dual-tasking and more specifically: (1) whether they occur because of differences in attentional control skills, or (2) whether the age-related decrement in dual-tasking is due to a general resource reduction that would affect the ability to complete any demanding task...
March 2017: Experimental Aging Research
https://www.readbyqxmd.com/read/28230385/auditory-cue-absence-as-a-conditioned-stimulus-for-delay-eyeblink-conditioning
#12
Matthew M Campolattaro, Sean W Savage, Olga Lipatova
The present experiment was designed to determine if the absence of an auditory cue (i.e., a "tone-off" cue) would be an effective conditioned stimulus (CS) for delay eyeblink conditioning and to test if the medial geniculate nucleus (MGN) is part of the sensory pathway for tone-off conditioning. Rats were given paired or unpaired delay eyeblink conditioning to examine if responding to a tone-off CS was due to an associative process. An inactivation technique was performed on a separate group of rats to determine if the MGN is needed to express tone-off conditioning...
February 23, 2017: Behavioral Neuroscience
https://www.readbyqxmd.com/read/28229931/modulation-of-the-sensorimotor-system-by-sustained-manual-pressure-stimulation
#13
Pavel Hok, Jaroslav Opavský, Miroslav Kutín, Zbyněk Tüdös, Petr Kaňovský, Petr Hluštík
In Vojta physiotherapy, also known as reflex locomotion therapy, prolonged peripheral pressure stimulation induces complex generalized involuntary motor responses and modifies subsequent behavior, but its neurobiological basis remains unknown. We hypothesized that the stimulation would induce sensorimotor activation changes in functional magnetic resonance imaging (fMRI) during sequential finger opposition. Thirty healthy volunteers (mean age 24.2) underwent two randomized fMRI sessions involving manual pressure stimulation applied either at the right lateral heel according to Vojta, or at the right lateral ankle (control site)...
February 13, 2017: Neuroscience
https://www.readbyqxmd.com/read/28229115/data-on-the-auditory-duration-mismatch-negativity-for-different-sound-pressure-levels-and-visual-perceptual-loads
#14
Stefan Wiens, Malina Szychowska, Rasmus Eklund, Mats E Nilsson
The data presented in this article are related to our research article entitled "Effects of sound pressure level and visual perceptual load on the auditory mismatch negativity" (M. Szychowska, R. Eklund, M.E. Nilsson, S. Wiens, 2016) [1]. The duration MMN was recorded at three sound pressure levels (SPLs) during two levels of visual perceptual load. In an oddball paradigm (standard=75 ms, deviant=30 ms, within-subjects design), participants were presented with tones at 56, 66, or 76 dB SPL (between-subjects design)...
April 2017: Data in Brief
https://www.readbyqxmd.com/read/28229064/abnormal-auditory-brainstem-response-abr-findings-in-a-near-normal-hearing-child-with-noonan-syndrome
#15
Bahram Jalaei, Mohd Normani Zakaria, Dinsuhaimi Sidek
INTRODUCTION: Noonan syndrome (NS) is a heterogeneous genetic disease that affects many parts of the body. It was named after Dr. Jacqueline Anne Noonan, a paediatric cardiologist. CASE REPORT: We report audiological tests and auditory brainstem response (ABR) findings in a 5-year old Malay boy with NS. Despite showing the marked signs of NS, the child could only produce a few meaningful words. Audiological tests found him to have bilateral mild conductive hearing loss at low frequencies...
January 2017: Iranian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28229056/experimental-visualization-of-labyrinthine-structure-with-optical-coherence-tomography
#16
Saleh Mohebbi, Marjan Mirsalehi, Lüder-Alexander Kahrs, Tobias Ortmaier, Thomas Lenarz, Omid Majdani
INTRODUCTION: Visualization of inner ear structures is a valuable strategy for researchers and clinicians working on hearing pathologies. Optical coherence tomography (OCT) is a high-resolution imaging technology which may be used for the visualization of tissues. In this experimental study we aimed to evaluate inner ear anatomy in well-prepared human labyrinthine bones. MATERIALS AND METHODS: Three fresh human explanted temporal bones were trimmed, chemically decalcified with ethylenediaminetetraacetic acid (EDTA), and mechanically drilled under visual control using OCT in order to reveal the remaining bone shell...
January 2017: Iranian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28228737/schizophrenia-associated-with-epileptiform-discharges-without-seizures-successfully-treated-with-levetiracetam
#17
Dominique Endres, Evgeniy Perlov, Bernd Feige, Dirk-Matthias Altenmüller, Nils Venhoff, Ludger Tebartz van Elst
BACKGROUND: Schizophrenia-like disorders can be divided into endogenic or primary, idiopathic, polygenetic forms, and different secondary, organic subgroups [e.g., (para)epileptic, immunological, degenerative]. Epileptic and paraepileptic explanatory approaches have a long tradition due to the high rate of electroencephalography (EEG) alterations in patients with schizophrenia. CASE PRESENTATION: We present the case of a 23-year-old female patient suffering, since the age of 14 years, from a fluctuating paranoid-hallucinatory syndrome with formal thought disorder, fear, delusions of persecution, auditory, visual, and tactile hallucinations, as well as negative and cognitive symptoms...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28227847/a-compact-representation-for-the-auditory-full-range-response-and-its-fast-denoising-using-an-image-filter-based-on-the-radon-transform
#18
Manuel C Kohl, Daniel J Strauss, Manuel C Kohl, Daniel J Strauss, Daniel J Strauss, Manuel C Kohl
The Auditory Brainstem, Middle-Latency and Late Responses, a class of event-related potentials (ERPs), are of considerable interest in neuroscience research as robust neural correlates of different processing stages along the auditory pathway. While most research to date centers around one of the responses at a time for practical reasons, recent efforts indicate a paradigm shift towards acquiring them together, enabling the simultaneous monitoring of all auditory processing stages from the brainstem to the cortex...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227843/investigating-motor-imagery-tasks-by-their-neural-effects-a-case-study
#19
I E Nicolae, M M C Stefan, B Hurezeanu, D D Taralunga, R Strungaru, T M Vasile, O A Bajenaru, G M Ungureanu, I E Nicolae, M M C Stefan, B Hurezeanu, D D Taralunga, R Strungaru, T M Vasile, O A Bajenaru, G M Ungureanu, B Hurezeanu, R Strungaru, G M Ungureanu, O A Bajenaru, D D Taralunga, T M Vasile, I E Nicolae, M M C Stefan
Motor imagery, one of the first investigated neural process for Brain-Computer Interfaces (BCIs) still provides a great challenge nowadays. Aiming a better and more accurate control, multiple researches have been conducted by the scientific community. Nevertheless, there is still no robust and confident application developed. In order to augment the potential referring to motor imagery, and to attract user's interest, we propose multiple motor imagery tasks in combination with different visual or auditory stimuli...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227803/ear-eeg-allows-extraction-of-neural-responses-in-challenging-listening-scenarios-a-future-technology-for-hearing-aids
#20
L Fiedler, J Obleser, T Lunner, C Graversen, L Fiedler, J Obleser, T Lunner, C Graversen, J Obleser, C Graversen, L Fiedler, T Lunner
Advances in brain-computer interface research have recently empowered the development of wearable sensors to record mobile electroencephalography (EEG) as an unobtrusive and easy-to-use alternative to conventional scalp EEG. One such mobile solution is to record EEG from the ear canal, which has been validated for auditory steady state responses and discrete event related potentials (ERPs). However, it is still under discussion where to place recording and reference electrodes to capture best responses to auditory stimuli...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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