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Auditory alarms

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https://www.readbyqxmd.com/read/28260156/attention-and-pain-are-auditory-distractors-special
#1
Page Sloan, Mark Hollins
It is well established that manipulations of attention and emotional state can modulate pain. Some researchers have used olfactory or visual distractors to manipulate these factors in combination, and have found that attention and emotion have different effects on pain intensity and unpleasantness. Specifically, distraction from pain was found to markedly reduce its intensity while having little effect on its unpleasantness. Other evidence indicates, however, that the strength of intermodal attentional shifts depends on the specific modalities involved, with auditory-somesthetic shifts being relatively weak...
March 4, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28219399/noninvasive-detection-of-alarming-intracranial-pressure-changes-by-auditory-monitoring-in-early-management-of-brain-injury-a-prospective-invasive-versus-noninvasive-study
#2
Fabrice Giraudet, François Longeras, Aurélien Mulliez, Aurélie Thalamy, Bruno Pereira, Paul Avan, Laurent Sakka
BACKGROUND: In brain-injured patients intracranial pressure (ICP) is monitored invasively by a ventricular or intraparenchymal transducer. The procedure requires specific expertise and exposes the patient to complications such as malposition, hemorrhage or infection. As inner-ear fluid compartments are connected to the cerebrospinal fluid space, ICP changes elicit subtle changes in the physiology of the inner ear. Notably, we previously demonstrated that the phase of cochlear microphonic potential (CM) generated by sound stimuli rotates with ICP...
February 21, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28189059/augmented-reality-warnings-in-vehicles-effects-of-modality-and-specificity-on-effectiveness
#3
Felix Schwarz, Wolfgang Fastenmeier
In the future, vehicles will be able to warn drivers of hidden dangers before they are visible. Specific warning information about these hazards could improve drivers' reactions and the warning effectiveness, but could also impair them, for example, by additional cognitive-processing costs. In a driving simulator study with 88 participants, we investigated the effects of modality (auditory vs. visual) and specificity (low vs. high) on warning effectiveness. For the specific warnings, we used augmented reality as an advanced technology to display the additional auditory or visual warning information...
February 8, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/27931901/auditory-false-perception-in-schizophrenia-development-and-validation-of-auditory-signal-detection-task
#4
Harleen Chhabra, Selvaraj Sowmya, Vanteemar S Sreeraj, Sunil V Kalmady, Venkataram Shivakumar, Anekal C Amaresha, Janardhanan C Narayanaswamy, Ganesan Venkatasubramanian
Auditory hallucinations constitute an important symptom component in 70-80% of schizophrenia patients. These hallucinations are proposed to occur due to an imbalance between perceptual expectation and external input, resulting in attachment of meaning to abstract noises; signal detection theory has been proposed to explain these phenomena. In this study, we describe the development of an auditory signal detection task using a carefully chosen set of English words that could be tested successfully in schizophrenia patients coming from varying linguistic, cultural and social backgrounds...
December 2016: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/27910865/auditory-evoked-potential-could-reflect-emotional-sensitivity-and-impulsivity
#5
Ji Sun Kim, Sungkean Kim, Wookyoung Jung, Chang-Hwan Im, Seung-Hwan Lee
Emotional sensitivity and impulsivity could cause interpersonal conflicts and neuropsychiatric problems. Serotonin is correlated with behavioral inhibition and impulsivity. This study evaluated whether the loudness dependence of auditory evoked potential (LDAEP), a potential biological marker of central serotonergic activity, could reflect emotional sensitivity and impulsivity. A total of 157 healthy individuals were recruited, who performed LDAEP and Go/Nogo paradigms during electroencephalogram measurement...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27889770/usefulness-of-discriminability-and-response-bias-indices-for-the-evaluation-of-recognition-memory-in-mild-cognitive-impairment-and-alzheimer-disease
#6
María Julieta Russo, Gabriela Cohen, Jorge Campos, Maria Eugenia Martin, María Florencia Clarens, Liliana Sabe, Ernesto Barcelo, Ricardo F Allegri
BACKGROUND: Most studies examining episodic memory in Alzheimer disease (AD) have focused on patients' impaired ability to remember information. This approach provides only a partial picture of memory deficits since other factors involved are not considered. OBJECTIVE: To evaluate the recognition memory performance by using a yes/no procedure to examine the effect of discriminability and response bias measures in amnestic mild cognitive impairment (a-MCI), AD dementia, and normal-aging subjects...
2017: Dementia and Geriatric Cognitive Disorders
https://www.readbyqxmd.com/read/27869530/composing-alarms-considering-the-musical-aspects-of-auditory-alarm-design
#7
Jessica Gillard, Michael Schutz
Short melodies are commonly linked to referents in jingles, ringtones, movie themes, and even auditory displays (i.e., sounds used in human-computer interactions). While melody associations can be quite effective, auditory alarms in medical devices are generally poorly learned and highly confused. Here, we draw on approaches and stimuli from both music cognition (melody recognition) and human factors (alarm design) to analyze the patterns of confusions in a paired-associate alarm-learning task involving both a standardized melodic alarm set (Experiment 1) and a set of novel melodies (Experiment 2)...
December 2016: Neurocase
https://www.readbyqxmd.com/read/27833872/effects-of-chemoradiation-on-hearing-in-patients-with-head-and-neck-malignancies-experience-at-a-tertiary-referral-care-hospital
#8
Abhineet Jain, Praveer K Banerjee, D Manjunath
Hearing loss as a side effect in patients with head and neck malignancies with chemoradiation is frequently ignored. Its effects on auditory functions are less studied and there are studies done on animals which are less reliable. The present study was undertaken to identify the type of hearing loss and also to quantify the degree of hearing loss in these patients. A prospective, descriptive study was undertaken in histologically proven head and neck cancer patients treated with cobalt 60 teletherapy who received a dose of 60-66 Grays (Gy) over a period of 6-7 weeks with concurrent Cisplatin 30 mg/m(2) once weekly for 6 weeks...
December 2016: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/27650392/semantic-congruency-of-auditory-warnings
#9
Sarah J Isherwood, Denis McKeown
The aim of this study was to explore operator experience and performance for semantically congruent and incongruent auditory icons and abstract alarm sounds. It was expected that performance advantages for congruent sounds would be present initially but would reduce over time for both alarm types. Twenty-four participants (12M/12F) were placed into auditory icon or abstract alarm groupings. For each group both congruent and incongruent alarms were used to represent different driving task scenarios. Once sounded, participants were required to respond to each alarm by selecting a corresponding driving scenario...
October 5, 2016: Ergonomics
https://www.readbyqxmd.com/read/27639195/cooperative-warning-systems-the-impact-of-false-and-unnecessary-alarms-on-drivers-compliance
#10
Frederik Naujoks, Andrea Kiesel, Alexandra Neukum
Cooperative warning systems have a great potential to prevent traffic accidents. However, because of their predictive nature, they might also go along with an increased frequency of incorrect alarms that could limit their effectiveness. To better understand the consequences associated with incorrect alarms, a driving simulator study with N=80 drivers was conducted to investigate how situational context and warning urgency jointly influence drivers' compliance with an unreliable advisory warning system (AWS)...
December 2016: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/27633247/a-formal-approach-to-discovering-simultaneous-additive-masking-between-auditory-medical-alarms
#11
Bassam Hasanain, Andrew D Boyd, Judy Edworthy, Matthew L Bolton
The failure of humans to respond to auditory medical alarms has resulted in numerous patient injuries and deaths and is thus a major safety concern. A relatively understudied source of response failures has to do with simultaneous masking, a condition where concurrent sounds interact in ways that make one or more of them imperceptible due to physical limitations of human perception. This paper presents a method, which builds on a previous implementation, that uses a novel combination of psychophysical modeling and formal verification with model checking to detect masking in a modeled configuration of medical alarms...
January 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/27576466/do-learned-alarm-sounds-interfere-with-working-memory
#12
Philippe Lacherez, Liam Donaldson, Jennifer S Burt
OBJECTIVE: To assess whether identifying (or ignoring) learned alarm sounds interferes with performance on a task involving working memory. BACKGROUND: A number of researchers have suggested that auditory alarms could interfere with working memory in complex task environments, and this could serve as a caution against their use. Changing auditory information has been shown to interfere with serial recall, even when the auditory information is to be ignored. However, previous researchers have not examined well-learned patterns, such as familiar alarms...
November 2016: Human Factors
https://www.readbyqxmd.com/read/27458362/the-role-of-cognitive-and-perceptual-loads-in-inattentional-deafness
#13
Mickaël Causse, Jean-Paul Imbert, Louise Giraudet, Christophe Jouffrais, Sébastien Tremblay
The current study examines the role of cognitive and perceptual loads in inattentional deafness (the failure to perceive an auditory stimulus) and the possibility to predict this phenomenon with ocular measurements. Twenty participants performed Air Traffic Control (ATC) scenarios-in the Laby ATC-like microworld-guiding one (low cognitive load) or two (high cognitive load) aircraft while responding to visual notifications related to 7 (low perceptual load) or 21 (high perceptual load) peripheral aircraft. At the same time, participants were played standard tones which they had to ignore (probability = 0...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27314235/attention-cueing-and-activity-equally-reduce-false-alarm-rate-in-visual-auditory-associative-learning-through-improving-memory
#14
Mohammad-Ali Nikouei Mahani, Hojjat Allah Haghgoo, Solmaz Azizi, Majid Nili Ahmadabadi
In our daily life, we continually exploit already learned multisensory associations and form new ones when facing novel situations. Improving our associative learning results in higher cognitive capabilities. We experimentally and computationally studied the learning performance of healthy subjects in a visual-auditory sensory associative learning task across active learning, attention cueing learning, and passive learning modes. According to our results, the learning mode had no significant effect on learning association of congruent pairs...
2016: PloS One
https://www.readbyqxmd.com/read/27112738/hepatocyte-nuclear-factor-4-alpha-in-noise-induced-cochlear-neuropathy
#15
Jane Bjerg Groth, Shyan-Yuan Kao, Martijn C Briët, Konstantina M Stankovic
Noise-induced hearing loss (NIHL) is a problem of profound clinical significance and growing magnitude. Alarmingly, even moderate noise levels, previously assumed to cause only temporary shifts in auditory thresholds ("temporary" NIHL), are now known to cause cochlear synaptopathy and subsequent neuropathy. To uncover molecular mechanisms of this neuropathy, we performed a network analysis of genes reported to have significantly altered expression after temporary threshold shift-inducing noise exposure. We identified the transcription factor Hepatocyte Nuclear Factor-4 alpha (HNF4α), which had not previously been studied in the context of cochlear response to noise, as a hub of a top-ranking network...
April 25, 2016: Developmental Neurobiology
https://www.readbyqxmd.com/read/27075686/children-with-chronic-lung-diseases-have-cognitive-dysfunction-as-assessed-by-event-related-potential-auditory-p300-and-stanford-binet-iq-sb-iv-test
#16
Terez Boshra Kamel, Mahmoud Tarek Abd Elmonaem, Lobna Hamed Khalil, Mona Hamdy Goda, Hossam Sanyelbhaa, Mourad Alfy Ramzy
Chronic lung disease (CLD) in children represents a heterogeneous group of many clinico-pathological entities with risk of adverse impact of chronic or intermittent hypoxia. So far, few researchers have investigated the cognitive function in these children, and the role of auditory P300 in the assessment of their cognitive function has not been investigated yet. This study was designed to assess the cognitive functions among schoolchildren with different chronic pulmonary diseases using both auditory P300 and Stanford-Binet test...
October 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/26886505/effects-of-multitasking-on-operator-performance-using-computational-and-auditory-tasks
#17
Bankole K Fasanya
This study investigated the effects of multiple cognitive tasks on human performance. Twenty-four students at North Carolina A&T State University participated in the study. The primary task was auditory signal change perception and the secondary task was a computational task. Results showed that participants' performance in a single task was statistically significantly different from their performance in combined tasks: (a) algebra problems (algebra problem primary and auditory perception secondary); (b) auditory perception tasks (auditory perception primary and algebra problems secondary); and (c) mean false-alarm score in auditory perception (auditory detection primary and algebra problems secondary)...
September 2016: International Journal of Occupational Safety and Ergonomics: JOSE
https://www.readbyqxmd.com/read/26796788/alarm-pheromone-does-not-modulate-22-khz-calls-in-male-rats
#18
Hiromi Muyama, Yasushi Kiyokawa, Hideaki Inagaki, Yukari Takeuchi, Yuji Mori
Rats are known to emit a series of ultrasonic vocalizations, termed 22-kHz calls, when exposed to distressing stimuli. Pharmacological studies have indicated that anxiety mediates 22-kHz calls in distressed rats. We previously found that exposure to the rat alarm pheromone increases anxiety in rats. Therefore, we hypothesized that the alarm pheromone would increase 22-kHz calls in pheromone-exposed rats. Accordingly, we tested whether exposure to the alarm pheromone induced 22-kHz calls, as well as whether the alarm pheromone increased 22-kHz calls in response to an aversive conditioned stimulus (CS)...
March 15, 2016: Physiology & Behavior
https://www.readbyqxmd.com/read/26618245/auditory-lateralization-of-conspecific-and-heterospecific-vocalizations-in-cats
#19
Marcello Siniscalchi, Serena Laddago, Angelo Quaranta
Auditory lateralization in response to both conspecific and heterospecific vocalizations (dog vocalizations) was observed in 16 tabby cats (Felis catus). Six different vocalizations were used: cat "purring," "meowing" and "growling" and dog typical vocalizations of "disturbance," "isolation" and "play." The head-orienting paradigm showed that cats turned their head with the right ear leading (left hemisphere activation) in response to their typical-species vocalization ("meow" and "purring"); on the other hand, a clear bias in the use of the left ear (right hemisphere activation) was observed in response to vocalizations eliciting intense emotion (dogs' vocalizations of "disturbance" and "isolation")...
2016: Laterality
https://www.readbyqxmd.com/read/26524234/the-interaction-between-memory-trace-and-memory-judgment-in-age-related-decline
#20
Fabrice Guillaume, Cécile Tison, Yousri Marzouki
BACKGROUND/STUDY CONTEXT: Associative memory deficit and executive functioning deficit are two alternative--but nonexclusive--accounts of the episodic memory deficit observed in aging. The first explain the episodic memory decline generally observed in aging by an associative memory deficit (memory decline per se), whereas the second explains it by an executive functioning deficit. This distinction could be critical in early discrimination between healthy aging and very mild Alzheimer's-type dementia...
2015: Experimental Aging Research
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