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https://www.readbyqxmd.com/read/28651255/visual-cues-contribute-differentially-to-audiovisual-perception-of-consonants-and-vowels-in-improving-recognition-and-reducing-cognitive-demands-in-listeners-with-hearing-impairment-using-hearing-aids
#1
Shahram Moradi, Björn Lidestam, Henrik Danielsson, Elaine Hoi Ning Ng, Jerker Rönnberg
Purpose: We sought to examine the contribution of visual cues in audiovisual identification of consonants and vowels-in terms of isolation points (the shortest time required for correct identification of a speech stimulus), accuracy, and cognitive demands-in listeners with hearing impairment using hearing aids. Method: The study comprised 199 participants with hearing impairment (mean age = 61.1 years) with bilateral, symmetrical, mild-to-severe sensorineural hearing loss...
June 23, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28650721/photographic-memory-the-effects-of-volitional-photo-taking-on-memory-for-visual-and-auditory-aspects-of-an-experience
#2
Alixandra Barasch, Kristin Diehl, Jackie Silverman, Gal Zauberman
How does volitional photo taking affect unaided memory for visual and auditory aspects of experiences? Across one field and three lab studies, we found that, even without revisiting any photos, participants who could freely take photographs during an experience recognized more of what they saw and less of what they heard, compared with those who could not take any photographs. Further, merely taking mental photos had similar effects on memory. These results provide support for the idea that photo taking induces a shift in attention toward visual aspects and away from auditory aspects of an experience...
June 1, 2017: Psychological Science
https://www.readbyqxmd.com/read/28650602/intraoperative-neurophysiological-monitoring-to-protect-the-facial-nerve-during-microsurgery-for-large-vestibular-schwannomas
#3
(no author information available yet)
OBJECTIVE: Microsurgery is the preferred treatment for large vestibular schwannomas (VSs). However, anatomical and functional preservation of the facial nerve (FN) remains a challenge during this surgery. The aim of this study was to determine whether it is beneficial to the preservation rates of the FN during microsurgical treatment of large VSs using intraoperative neurophysiological monitoring (IONM). METHODS: We retrospectively reviewed 53 patients with large VSs that underwent microsurgical resection via the retrosigmoid approach in our department during April 2009 to March 2016...
May 26, 2017: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28650352/the-effect-of-aging-and-priming-on-same-different-judgments-between-text-and-partially-masked-speech
#4
Richard L Freyman, Jenna Terpening, Angela C Costanzi, Karen S Helfer
OBJECTIVES: It is well known from previous research that when listeners are told what they are about to hear before a degraded or partially masked auditory signal is presented, the speech signal "pops out" of the background and becomes considerably more intelligible. The goal of this research was to explore whether this priming effect is as strong in older adults as in younger adults. DESIGN: Fifty-six adults-28 older and 28 younger-listened to "nonsense" sentences spoken by a female talker in the presence of a 2-talker speech masker (also female) or a fluctuating speech-like noise masker at 5 signal-to-noise ratios...
June 22, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28650259/locomotor-effects-of-a-low-frequency-fire-alarm-on-c57bl-6-male-mice-a-preliminary-study
#5
Jessica M Povroznik, Robert E Faith, Matthew J Kessler, Frank N Ali, James Kosik, Stephen Prince, Elizabeth B Engler-Chiurazzi
Maintaining appropriate acoustic conditions for animal welfare and data collection are crucial in biomedical research facilities. Negative impacts of disruptive sound are known and can include auditory damage, immune function changes, and behavioral alterations. One type of disruptive sound occurring in research facilities is that of fire alarms. To ameliorate this problem, many facilities have incorporated the use of low-frequency fire alarms that emit tones outside the rodent audible range. The impact of these devices has been assumed to be negligible...
January 1, 2017: Laboratory Animals
https://www.readbyqxmd.com/read/28650183/spatial-transposition-tasks-in-indian-sloth-bears-melursus-ursinus-and-bornean-sun-bears-helarctos-malayanus-euryspilus
#6
Daniela Hartmann, Marina Davila-Ross, Siew Te Wong, Josep Call, Marina Scheumann
Spatial transposition tasks assess individuals' ability to represent nonvisible spatial object displacements. Several nonhuman mammal species have been tested on this task including primates, cats, and dogs, but to date, great apes seem the only taxon that has repeatedly and consistently solved spatial transposition tasks. The authors investigated the ability of captive sloth and sun bears to solve spatial transposition tasks. Both species belong to the same taxonomic group as cats and dogs, but unlike them and similar to apes, they have an omnivorous diet that requires them to keep track of fruit sources in space and time...
June 26, 2017: Journal of Comparative Psychology
https://www.readbyqxmd.com/read/28649420/functionally-and-morphologically-damaged-mitochondria-observed-in-auditory-cells-under-senescence-inducing-stress
#7
Teru Kamogashira, Ken Hayashi, Chisato Fujimoto, Shinichi Iwasaki, Tatsuya Yamasoba
We aimed at determining the mitochondrial function in premature senescence model of auditory cells. Short exposure to H2O2 (1 h, 0.1 mM) induced premature cellular senescence in House Ear Institute-Organ of Corti 1 auditory cells. The transmission electron microscopy analysis revealed that damaged mitochondria and autophagosomes containing dense organelles appeared in the auditory cells after short exposure to H2O2. The branch and junction parameters of the skeletonized image of the mitochondria were found to decrease significantly in H2O2-treated cells...
2017: NPJ Aging and Mechanisms of Disease
https://www.readbyqxmd.com/read/28649217/a-novel-computer-based-set-up-to-study-movement-coordination-in-human-ensembles
#8
Francesco Alderisio, Maria Lombardi, Gianfranco Fiore, Mario di Bernardo
Existing experimental works on movement coordination in human ensembles mostly investigate situations where each subject is connected to all the others through direct visual and auditory coupling, so that unavoidable social interaction affects their coordination level. Here, we present a novel computer-based set-up to study movement coordination in human groups so as to minimize the influence of social interaction among participants and implement different visual pairings between them. In so doing, players can only take into consideration the motion of a designated subset of the others...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28649190/effects-of-light-and-sound-on-the-prefrontal-cortex-activation-and-emotional-function-a-functional-near-infrared-spectroscopy-study
#9
Shota Hori, Koichi Mori, Takehisa Mashimo, Akitoshi Seiyama
We constructed a near infrared spectroscopy-based real-time feedback system to estimate the subjects' emotional states using the changes in oxygenated hemoglobin concentration [Δ(oxy-Hb)] in the prefrontal cortex (PFC). Using this system, we investigated the influences of continual mild and equivocal stimuli consisting of lights and a reconstructed waterfall sound on Δ[oxy-Hb] in the PFC. The visual (light) and auditory (sound) stimuli changed randomly and independently, depending on the emotional states of the individual subjects...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28648887/adult-like-processing-of-naturalistic-sounds-in-auditory-cortex-by-3-and-9-month-old-infants
#10
Conor J Wild, Annika C Linke, Leire Zubiaurre-Elorza, Charlotte Herzmann, Hester Duffy, Victor K Han, David S C Lee, Rhodri Cusack
Functional neuroimaging has been used to show that the developing auditory cortex of very young human infants responds, in some way, to sound. However, impoverished stimuli and uncontrolled designs have made it difficult to attribute brain responses to specific auditory features, and thus made it difficult to assess the maturity of feature tuning in auditory cortex. To address this, we used functional magnetic resonance imaging (fMRI) to measure the brain activity evoked by naturalistic sounds (a series of sung lullabies) in two groups of infants (3 and 9 months) and adults...
June 22, 2017: NeuroImage
https://www.readbyqxmd.com/read/28648500/perineuronal-nets-in-the-adult-sensory-cortex-are-necessary-for-fear-learning
#11
Sunayana B Banerjee, Vanessa A Gutzeit, Justin Baman, Hadj S Aoued, Nandini K Doshi, Robert C Liu, Kerry J Ressler
Lattice-like structures known as perineuronal nets (PNNs) are key components of the extracellular matrix (ECM). Once fully crystallized by adulthood, they are largely stable throughout life. Contrary to previous reports that PNNs inhibit processes involving plasticity, here we report that the dynamic regulation of PNN expression in the adult auditory cortex is vital for fear learning and consolidation in response to pure tones. Specifically, after first confirming the necessity of auditory cortical activity for fear learning and consolidation, we observed that mRNA levels of key proteoglycan components of PNNs were enhanced 4 hr after fear conditioning but were no longer different from the control groups 24 hr later...
June 15, 2017: Neuron
https://www.readbyqxmd.com/read/28648301/associations-of-early-kidney-disease-with-brain-magnetic-resonance-imaging-and-cognitive-function-in-african-americans-with-type-2-diabetes-mellitus
#12
Barry I Freedman, Kaycee M Sink, Christina E Hugenschmidt, Timothy M Hughes, Jeff D Williamson, Christopher T Whitlow, Nicholette D Palmer, Michael E Miller, Laura C Lovato, Jianzhao Xu, S Carrie Smith, Lenore J Launer, Joshua I Barzilay, Robert M Cohen, Mark D Sullivan, R Nick Bryan, Benjamin C Wagner, Donald W Bowden, Joseph A Maldjian, Jasmin Divers
BACKGROUND: Relationships between early kidney disease, neurocognitive function, and brain anatomy are poorly defined in African Americans with type 2 diabetes mellitus (T2DM). STUDY DESIGN: Cross-sectional associations were assessed between cerebral anatomy and cognitive performance with estimated glomerular filtration rate (eGFR) and urine albumin-creatinine ratio (UACR) in African Americans with T2DM. SETTING & PARTICIPANTS: African Americans with cognitive testing and cerebral magnetic resonance imaging (MRI) in the African American-Diabetes Heart Study Memory in Diabetes (AA-DHS MIND; n=512; 480 with MRI) and Action to Control Cardiovascular Risk in Diabetes (ACCORD) MIND (n=484; 104 with MRI) studies...
June 22, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28647553/morphosyntactic-correctness-of-written-language-production-in-adults-with-moderate-to-severe-congenital-hearing-loss
#13
Elke Huysmans, Jan de Jong, Joost M Festen, Martine M R Coene, S Theo Goverts
OBJECTIVE: To examine whether moderate to severe congenital hearing loss (MSCHL) leads to persistent morphosyntactic problems in the written language production of adults, as it does in their spoken language production. DESIGN: Samples of written language in Dutch were analysed for morphosyntactic correctness and syntactic complexity. STUDY SAMPLE: 20 adults with MSCHL and 10 adults with normal hearing (NH). RESULTS: Adults with MSCHL did not differ from adults with NH in the morphosyntactic correctness and syntactic complexity of their written utterances...
June 15, 2017: Journal of Communication Disorders
https://www.readbyqxmd.com/read/28647096/corrigendum-to-what-infants-know-about-the-unsaid-phonological-categorization-in-the-absence-of-auditory-input-cognition-152-2016-53-60
#14
Céline Ngon, Sharon Peperkamp
No abstract text is available yet for this article.
June 21, 2017: Cognition
https://www.readbyqxmd.com/read/28646692/specific-subcortical-structures-are-activated-during-seizure-induced-death-in-a-model-of-sudden-unexpected-death-in-epilepsy-sudep-a-manganese-enhanced-magnetic-resonance-imaging-study
#15
Srinivasa P Kommajosyula, Marcus E Randall, Thomas J Brozoski, Boris M Odintsov, Carl L Faingold
Sudden unexpected death in epilepsy (SUDEP) is a major concern for patients with epilepsy. In most witnessed cases of SUDEP generalized seizures and respiratory failure preceded death, and pre-mortem neuroimaging studies in SUDEP patients observed changes in specific subcortical structures. Our study examined the role of subcortical structures in the DBA/1 mouse model of SUDEP using manganese-enhanced magnetic resonance imaging (MEMRI). These mice exhibit acoustically-evoked generalized seizures leading to seizure-induced respiratory arrest (S-IRA) that results in sudden death unless resuscitation is rapidly instituted...
May 25, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28646451/regulation-of-sustained-attention-false-alarm-responding-and-implementation-of-conditional-rules-by-prefrontal-gabaa-transmission-comparison-with-nmda-transmission
#16
Meagan L Auger, Juliet Meccia, Stan B Floresco
RATIONALE: Both prefrontal cortex (PFC) GABAA and NMDA transmission regulate attentional processes, yet how they may differentially regulate signal detection or other aspects of attention is unclear. OBJECTIVES: We examined PFC GABAA and NMDA receptor regulation of attention using a sustained attention task (SAT) permitting identification of distinct forms of impairments. As this task requires implementation of conditional rules, we also investigated how reducing PFC GABA transmission affected performance of visual and auditory conditional discriminations...
June 24, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28646272/rhesus-cochlear-and-vestibular-functions-are-preserved-after-inner-ear-injection-of-saline-volume-sufficient-for-gene-therapy-delivery
#17
Chenkai Dai, Mohamed Lehar, Daniel Q Sun, Lani Swarthout Rvt, John P Carey, Tim MacLachlan, Doug Brough, Hinrich Staecker, Alexandra M Della Santina, Timothy E Hullar, Charles C Della Santina
Sensorineural losses of hearing and vestibular sensation due to hair cell dysfunction are among the most common disabilities. Recent preclinical research demonstrates that treatment of the inner ear with a variety of compounds, including gene therapy agents, may elicit regeneration and/or repair of hair cells in animals exposed to ototoxic medications or other insults to the inner ear. Delivery of gene therapy may also offer a means for treatment of hereditary hearing loss. However, injection of a fluid volume sufficient to deliver an adequate dose of a pharmacologic agent could, in theory, cause inner ear trauma that compromises functional outcome...
June 23, 2017: Journal of the Association for Research in Otolaryngology: JARO
https://www.readbyqxmd.com/read/28646190/brain-to-brain-entrainment-eeg-interbrain-synchronization-while-speaking-and-listening
#18
Alejandro Pérez, Manuel Carreiras, Jon Andoni Duñabeitia
Electroencephalographic hyperscanning was used to investigate interbrain synchronization patterns in dyads of participants interacting through speech. Results show that brain oscillations are synchronized between listener and speaker during oral narratives. This interpersonal synchronization is mediated in part by a lower-level sensory mechanism of speech-to-brain synchronization, but also by the interactive process that takes place in the situation per se. These results demonstrate the existence of brain-to-brain entrainment which is not merely an epiphenomenon of auditory processing, during listening to one speaker...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28645081/loudness-and-time-dependence-of-auditory-evoked-potentials-is-blunted-by-the-nmda-channel-blocker-mk-801
#19
Tobias Teichert
Amplitudes of auditory evoked potentials (AEP) increase with the intensity/loudness of sounds (loudness-dependence of AEP, LDAEP), and the time between adjacent sounds (time-dependence of AEP, TDAEP). Both, blunted LDAEP and blunted TDAEP are markers of altered auditory function in schizophrenia (SZ). However, while blunted LDAEP has been attributed to altered serotonergic function, blunted TDAEP has been linked to altered NMDA receptor function. Despite phenomenological similarities of the two effects, no common pharmacological underpinnings have been identified...
June 15, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28644996/neural-correlates-of-psychotic-like-experiences-during-spiritual-trance-state
#20
Alessandra Ghinato Mainieri, Julio Fernando Prieto Peres, Alexander Moreira-Almeida, Klaus Mathiak, Ute Habel, Nils Kohn
Recent studies indicate high levels of psychotic experiences in the general population. Here, we report a functional imaging study with 8 mentally healthy spiritual mediums and 8 matched controls. The mediums entered a mediumistic-trance state using a standardized manner by closing their eyes and actively seeking to ignore external and internal stimuli to achieve a 'state of emptiness'; in a control condition, they were instructed to re-enact the same mediumistic experience that they had during the mediumistic-trance condition but in a non-trance state (imaginative-trance)...
June 15, 2017: Psychiatry Research
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