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Auditory dual-task

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https://www.readbyqxmd.com/read/27890161/primary-or-secondary-tasks-dual-task-interference-between-cyclist-hazard-perception-and-cadence-control-using-cross-modal-sensory-aids-with-rider-assistance-bike-computers
#1
Chao-Yang Yang, Cheng-Tse Wu
This research investigated the risks involved in bicycle riding while using various sensory modalities to deliver training information. To understand the risks associated with using bike computers, this study evaluated hazard perception performance through lab-based simulations of authentic riding conditions. Analysing hazard sensitivity (d') of signal detection theory, the rider's response time, and eye glances provided insights into the risks of using bike computers. In this study, 30 participants were tested with eight hazard perception tasks while they maintained a cadence of 60 ± 5 RPM and used bike computers with different sensory displays, namely visual, auditory, and tactile feedback signals...
March 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/27844494/sensorimotor-interaction-in-deaf-children-relationship-between-gait-performance-and-hearing-input-during-childhood-assessed-in-pre-lingual-cochlear-implant-users
#2
Hamlet Suarez, Rafael Alonso, Sofia Arocena, Enrique Ferreira, Cecilia San Roman, Alejo Suarez, Valeria Lapilover
CONCLUSIONS: The results suggest that auditory input is not neutral in motor skills and the complex interaction between them is generated in the earlier stages of childhood development. Objective The assessment of gait performance in pre-lingual deaf children with cochlear implant (CI). METHODS: Gait velocity (GV), using a 10-meter test, was measured by means of three inertial sensors in 10 pre-lingual cochlear implant users (CIU) (10-16 years old) in three sensory conditions: (1) cochlear implant turned on with environmental noise (EN), (2) cochlear implant turned on with EN and with cognitive dual task (DT), and (3) CI turned off (CI-OFF)...
November 15, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27821940/the-effect-of-performing-a-dual-task-on-postural-control-and-selective-attention-of-older-adults-when-stepping-backward
#3
William Wai-Nam Tsang, Vito Wai-Lok Chan, Henry Hei Wong, Tony Wai-Cheong Yip, Xi Lu
[Purpose] The purpose of the study was to investigate the postural control and cognitive performance of older adults when stepping backward with and without a concurrent cognitive task. [Subjects and Methods] Thirty young adults and twenty-eight older adults (mean age=21.3 ± 1.2 and 72.2 ± 5.7 years, respectively) were recruited. Participants were asked to step backward and then maintain a single-leg stance for 10 seconds with and without a concurrent auditory response task. The reaction time and error rate while performing the cognitive task were recorded...
October 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27815974/attention-modulation-during-motor-preparation-in-parkinsonian-freezers-a-time-frequency-eeg-study
#4
Céline Tard, Kathy Dujardin, Jean-Louis Bourriez, Behnam Molaee-Ardekani, Philippe Derambure, Luc Defebvre, Arnaud Delval
OBJECTIVE: To investigate the cortical integration of attentional stimuli during motor preparation in parkinsonian patients with freezing of gait (FoG, n=12) or without freezing of gait (n=13), and in aged-matched healthy controls (n=13). We hypothesized that interference between attention and action in freezers would be revealed by differences in cortical modulation during this dual task. METHODS: Attention during step preparation was modulated by means of an auditory oddball discrimination task...
December 2016: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/27812334/comparable-cerebral-oxygenation-patterns-in-younger-and-older-adults-during-dual-task-walking-with-increasing-load
#5
Sarah A Fraser, Olivier Dupuy, Philippe Pouliot, Frédéric Lesage, Louis Bherer
The neuroimaging literature on dual-task gait clearly demonstrates increased prefrontal cortex (PFC) involvement when performing a cognitive task while walking. However, findings from direct comparisons of the cerebral oxygenation patterns of younger (YA) and older (OA) adults during dual-task walking are mixed and it is unclear how YA and OA respond to increasing cognitive load (difficulty) while walking. This functional near infra-red (fNIRS) study examined cerebral oxygenation of YA and OA during self-paced dual-task treadmill walking at two different levels of cognitive load (auditory n-back)...
2016: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/27794195/influence-of-cognitive-rehabilitation-on-pelvic-floor-muscle-contraction-a-randomized-controlled-trial
#6
Anne Villot, Xavier Deffieux, Sylvie Billecocq, Laurent Auclair, Gérard Amarenco, Thibault Thubert
AIM: Distraction task (DT), which led to a modification of voluntary and involuntary reflex pelvic floor muscle (PFM) activation, might potentiate urinary incontinence, through an alteration of the temporal course between intra-abdominal pressure and PFM contraction. We evaluated whether cognitive rehabilitation (dual-task method) could prevent the effect of a mental distraction task on the reaction time of PFM contraction. METHODS: Thirty-nine healthy volunteers underwent two sessions of electromyographic (EMG) PFM recordings separated by a 2-week interval...
October 29, 2016: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/27760815/beat-to-beat-control-of-human-optokinetic-nystagmus-slow-phase-durations
#7
Carey D Balaban, Joseph M Furman
This study provides the first clear evidence that the generation of optokinetic nystagmus fast phases is a decision process that is influenced by performance of a concurrent disjunctive reaction time task (DRT). Ten subjects performed an auditory DRT during constant velocity optokinetic stimulation. Eye movements were measured in three dimensions with a magnetic search coil. Slow phase (SP) durations were defined as the interval between fast phases (FPs). There were three main findings. Firstly, human optokinetic nystagmus SP durations are consistent with a model of a Gaussian basic interval generator (a type of biological clock), such that FPs can be triggered randomly at the end of a clock cycle (mean duration: 200-250 ms); Kolmogorov-Smirnov tests could not reject the modeled cumulative distribution for any data trials...
October 19, 2016: Journal of Neurophysiology
https://www.readbyqxmd.com/read/27734768/concurrent-deployment-of-visual-attention-and-response-selection-bottleneck-in-a-dual-task-electrophysiological-and-behavioural-evidence
#8
Christina B Reimer, Tilo Strobach, Torsten Schubert
Both visual attention and response selection are limited in capacity. In the present study, we investigated whether visual attention requires the same bottleneck mechanism as response selection in a dual-task of the Psychological Refractory Period (PRP) paradigm. The dual-task consisted of an auditory two-choice discrimination Task 1 and a conjunction search Task 2, which were presented at variable temporal intervals (stimulus onset asynchrony, SOA). In the conjunction search task, visual attention is required to select the items and to bind the item features resulting in a serial search process...
October 13, 2016: Quarterly Journal of Experimental Psychology: QJEP
https://www.readbyqxmd.com/read/27713546/testing-multi-scale-processing-in-the-auditory-system
#9
Xiangbin Teng, Xing Tian, David Poeppel
Natural sounds contain information on multiple timescales, so the auditory system must analyze and integrate acoustic information on those different scales to extract behaviorally relevant information. However, this multi-scale process in the auditory system is not widely investigated in the literature, and existing models of temporal integration are mainly built upon detection or recognition tasks on a single timescale. Here we use a paradigm requiring processing on relatively 'local' and 'global' scales and provide evidence suggesting that the auditory system extracts fine-detail acoustic information using short temporal windows and uses long temporal windows to abstract global acoustic patterns...
October 7, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27683914/transfer-after-dual-n-back-training-depends-on-striatal-activation-change
#10
Tiina Salminen, Simone Kühn, Peter A Frensch, Torsten Schubert
UNLABELLED: The dual n-back working memory (WM) training paradigm (comprising auditory and visual stimuli) has gained much attention since studies have shown widespread transfer effects. By including a multimodal dual-task component, the task is demanding to the human cognitive system. We investigated whether dual n-back training improves general cognitive resources or a task-specific WM updating process in participants. We expected: (1) widespread transfer effects and the recruitment of a common neuronal network by the training and the transfer tasks and (2) narrower transfer results and that a common activation network alone would not produce transfer, but instead an activation focus on the striatum, which is associated with WM updating processes...
September 28, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27632858/dual-tasking-effects-on-dynamic-postural-stability-in-athletes-with-and-without-anterior-cruciate-ligament-reconstruction
#11
Shahrzad Mohammadi Rad, Mahyar Salavati, Ismail Ebrahimi Takamjani, Behnam Akhbari, Shiva Sherafat, Hossein Negahban, Pezhman Lali, Masood Mazaheri
PURPOSE: To compare the effect of dual-tasking on postural stability between patients with anterior cruciate ligament reconstruction (ACL-R) and healthy controls. METHODS: Single-limb postural stability was assessed in 17 athletes with ACL-R and 17 healthy matched athletes while standing on a Biodex Balance System platform in four conditions: stability level of 8 (i.e. more stable support surface) with eyes open; stability level of 8 with eyes closed; stability level of 6 (i...
August 24, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27621085/measuring-the-effects-of-a-visual-or-auditory-stroop-task-on-dual-task-costs-during-obstacle-crossing
#12
Timothy A Worden, Matthew Mendes, Pratham Singh, Lori Ann Vallis
Successful planning and execution of motor strategies while concurrently performing a cognitive task has been previously examined, but unfortunately the varied and numerous cognitive tasks studied has limited our fundamental understanding of how the central nervous system successfully integrates and executes these tasks simultaneously. To gain a better understanding of these mechanisms we used a set of cognitive tasks requiring similar central executive function processes and response outputs but requiring different perceptual mechanisms to perform the motor task...
September 4, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27613827/hysteresis-in-mental-workload-and-task-performance-the-influence-of-demand-transitions-and-task-prioritization
#13
Reinier J Jansen, Ben D Sawyer, René van Egmond, Huib de Ridder, Peter A Hancock
OBJECTIVE: We examine how transitions in task demand are manifested in mental workload and performance in a dual-task setting. BACKGROUND: Hysteresis has been defined as the ongoing influence of demand levels prior to a demand transition. Authors of previous studies predominantly examined hysteretic effects in terms of performance. However, little is known about the temporal development of hysteresis in mental workload. METHOD: A simulated driving task was combined with an auditory memory task...
September 9, 2016: Human Factors
https://www.readbyqxmd.com/read/27605922/high-frequency-binaural-beats-increase-cognitive-flexibility-evidence-from-dual-task-crosstalk
#14
Bernhard Hommel, Roberta Sellaro, Rico Fischer, Saskia Borg, Lorenza S Colzato
Increasing evidence suggests that cognitive-control processes can be configured to optimize either persistence of information processing (by amplifying competition between decision-making alternatives and top-down biasing of this competition) or flexibility (by dampening competition and biasing). We investigated whether high-frequency binaural beats, an auditory illusion suspected to act as a cognitive enhancer, have an impact on cognitive-control configuration. We hypothesized that binaural beats in the gamma range bias the cognitive-control style toward flexibility, which in turn should increase the crosstalk between tasks in a dual-task paradigm...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27598040/the-effect-of-distraction-on-change-detection-in-crowded-acoustic-scenes
#15
Theofilos Petsas, Jemma Harrison, Makio Kashino, Shigeto Furukawa, Maria Chait
In this series of behavioural experiments we investigated the effect of distraction on the maintenance of acoustic scene information in short-term memory. Stimuli are artificial acoustic 'scenes' composed of several (up to twelve) concurrent tone-pip streams ('sources'). A gap (1000 ms) is inserted partway through the 'scene'; Changes in the form of an appearance of a new source or disappearance of an existing source, occur after the gap in 50% of the trials. Listeners were instructed to monitor the unfolding 'soundscapes' for these events...
September 2, 2016: Hearing Research
https://www.readbyqxmd.com/read/27542722/neural-networks-for-harmonic-structure-in-music-perception-and-action
#16
R Bianco, G Novembre, P E Keller, Kim Seung-Goo, F Scharf, A D Friederici, A Villringer, D Sammler
The ability to predict upcoming structured events based on long-term knowledge and contextual priors is a fundamental principle of human cognition. Tonal music triggers predictive processes based on structural properties of harmony, i.e., regularities defining the arrangement of chords into well-formed musical sequences. While the neural architecture of structure-based predictions during music perception is well described, little is known about the neural networks for analogous predictions in musical actions and how they relate to auditory perception...
August 16, 2016: NeuroImage
https://www.readbyqxmd.com/read/27534860/effect-of-dual-tasks-on-gait-variability-in-walking-to-auditory-cues-in-older-and-young-individuals
#17
Dennis Hamacher, Daniel Hamacher, Fabian Herold, Lutz Schega
Rhythmic auditory cues aim to modulate step times while walking. Their effect on the variability of minimum foot clearance, which is "normally" the most controlled gait parameter in normal overground walking, has not been studied, yet. We aim to analyse the effects of auditory cues on the variability of foot clearance versus the variability of other gait parameters. We further ask how the control of minimum foot clearance behaves in walking with rhythmic cuing while cognitive gait control mechanisms of higher centres is reduced through a cognitive load...
August 17, 2016: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/27391779/task-prioritization-in-dual-tasking-instructions-versus-preferences
#18
Reinier J Jansen, René van Egmond, Huib de Ridder
The role of task prioritization in performance tradeoffs during multi-tasking has received widespread attention. However, little is known on whether people have preferences regarding tasks, and if so, whether these preferences conflict with priority instructions. Three experiments were conducted with a high-speed driving game and an auditory memory task. In Experiment 1, participants did not receive priority instructions. Participants performed different sequences of single-task and dual-task conditions. Task performance was evaluated according to participants' retrospective accounts on preferences...
2016: PloS One
https://www.readbyqxmd.com/read/27387844/the-use-of-emdr-in-positive-verbal-material-results-from-a-patient-study
#19
Suzy Johanna Martina Adriana Matthijssen, Marcel van den Hout
BACKGROUND: According to the working memory (WM) theory of eye movement desensitisation and reprocessing (EMDR), dual tasks that tax WM during memory recall reduce image vividness and emotionality of memory during future recalls when no dual task is carried out. There is some evidence that WM taxing also reduces vividness and emotionality of auditory or verbal imagery. OBJECTIVE: The present study tests the effect of eye movements (EM) on positive verbal material (verbal imagery), which is used in different parts of the EMDR protocol...
2016: European Journal of Psychotraumatology
https://www.readbyqxmd.com/read/27307380/auditory-attention-and-comprehension-during-a-simulated-night-shift-effects-of-task-characteristics
#20
June J Pilcher, Kristen S Jennings, Ginger E Phillips, James A McCubbin
OBJECTIVE: The current study investigated performance on a dual auditory task during a simulated night shift. BACKGROUND: Night shifts and sleep deprivation negatively affect performance on vigilance-based tasks, but less is known about the effects on complex tasks. Because language processing is necessary for successful work performance, it is important to understand how it is affected by night work and sleep deprivation. METHOD: Sixty-two participants completed a simulated night shift resulting in 28 hr of total sleep deprivation...
June 15, 2016: Human Factors
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