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Suna Dağ Y, Yayan EH. The effect of facilitated tucking and white noise on stress and sleep of newborns receiving nasal continuous positive airway pressure. J Pediatr Nurs 2024; 77:e442-e449. [PMID: 38729891 DOI: 10.1016/j.pedn.2024.05.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 05/03/2024] [Accepted: 05/03/2024] [Indexed: 05/12/2024]
Abstract
OBJECTIVE To investigate the effects of facilitated tucking and white noise on stress and sleep in neonates receiving nasal continuous positive airway pressure (CPAP). METHOD This study was conducted as a randomised controlled experimental study of neonates receiving nasal CPAP in neonatal intensive care units. The study sample consisted of 108 newborns (facilitated tucking (n = 36), white noise (n = 36) and control (n = 36)) receiving nasal CPAP support in the NICU. The neonates' sleep parameters were recorded by actigraphy for 24 h. Data were collected using the Neonatal Descriptive Information Form, the Sleep Tracking Form and the Neonatal Stress Scale. Percentage, mean, chi-squared and one-way ANOVA were used for data analysis. RESULTS It was found that 50.9% of the newborns were female, their mean gestational age was 33.54 ± 3.38, their mean height was 43.56 ± 5.12, and their mean weight was 2139.23 ± 827.82. The total sleep time of the neonates in the facilitated tucking and white noise group increased by 3 h, their sleep efficiency increased by 20% and their mean stress scores decreased (p < 0.05). CONCLUSION Facilitated tucking and white noise each showed a similar improvement in sleep duration and sleep efficiency and a reduction in stress scores in neonates receiving nasal CPAP. Close monitoring of sleep in this population and supportive care practices are recommended. PRACTICE IMPLICATIONS The findings of this study may help to reduce sleep problems and stress levels in the clinical care of neonates in the NICU through developmental nursing practices.
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Affiliation(s)
- Yeliz Suna Dağ
- Fırat University, Faculty of Health Sciences, Child Health and Diseases Nursing, Turkey.
| | - Emriye Hilal Yayan
- Inonu University, Faculty of Nursing, Child Health and Diseases Nursing, Turkey.
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2
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Carey S, Ross JM, Abney D, Balasubramaniam R. Effects of auditory noise intensity and color on the dynamics of upright stance. Sci Rep 2024; 14:10518. [PMID: 38714827 PMCID: PMC11076473 DOI: 10.1038/s41598-024-61186-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 05/02/2024] [Indexed: 05/10/2024] Open
Abstract
Previous work assessing the effect of additive noise on the postural control system has found a positive effect of additive white noise on postural dynamics. This study covers two separate experiments that were run sequentially to better understand how the structure of the additive noise signal affects postural dynamics, while also furthering our knowledge of how the intensity of auditory stimulation of noise may elicit this phenomenon. Across the two experiments, we introduced three auditory noise stimulations of varying structure (white, pink, and brown noise). Experiment 1 presented the stimuli at 35 dB while Experiment 2 was presented at 75 dB. Our findings demonstrate a decrease in variability of the postural control system regardless of the structure of the noise signal presented, but only for high intensity auditory stimulation.
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Affiliation(s)
- Sam Carey
- Cognitive & Information Sciences, University of California, Merced, 5200 N Lake Road, Merced, CA, 95343, USA.
| | - Jessica M Ross
- Veterans Affairs Palo Alto Healthcare System, Palo Alto, CA, USA
- Department of Psychiatry and Behavioral Sciences, Stanford University Medical School, Stanford, CA, USA
| | - Drew Abney
- Department of Psychology, University of Georgia, Athens, GA, USA
| | - Ramesh Balasubramaniam
- Cognitive & Information Sciences, University of California, Merced, 5200 N Lake Road, Merced, CA, 95343, USA
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3
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Arie L, Roginska A, Wu Y, Lin D, Olsen AF, Harel D, Lubetzky AV. Type of auditory cues and apparatus influence how healthy young adults integrate sounds for dynamic balance. Exp Brain Res 2024; 242:1225-1235. [PMID: 38526742 DOI: 10.1007/s00221-024-06819-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Accepted: 03/10/2024] [Indexed: 03/27/2024]
Abstract
It is unclear whether the brain handles auditory cues similarly to visual cues for balance. We investigated the influence of headphones and loudspeaker reproduction of sounds on dynamic balance performance when an individual is facing a cognitive challenge. Twenty participants (16 females, aged 19-36) were asked to avoid a ball according to a specific visual rule. Visuals were projected from the HTC Vive head-mounted display in an acoustically controlled space. We varied the environment by adding congruent sounds (sounds coincide with the visual rule) or incongruent sounds (sounds may or may not coincide with the visual rule) as well as creating a multimodal (visual and congruent sounds) vs. unimodal (visual or congruent sounds only) display of stimuli. Sounds were played over headphones or loudspeakers. We quantified reaction time (RT) and accuracy (choosing the correct direction to move) by capturing the head movement. We found that in the absence of sounds, RT was slower with headphones compared to loudspeakers, but the introduction of either congruent or incongruent sounds resulted in faster movements with headphones such that RT was no longer different between apparatus. Participants used congruent sounds to improve accuracy but disregarded incongruent sounds. This suggests that selective attention may explain how sounds are incorporated into dynamic balance performance in healthy young adults. Participants leveraged sounds played over loudspeakers, but not over headphones, to enhance accuracy in a unimodal dark environment. This may be explained by the natural listening conditions created by loudspeakers where sounds may be perceived as externalized.
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Affiliation(s)
- Liraz Arie
- Department of Physical Therapy, New York University, NYU, 380 2nd Ave 4th floor, New York, 10010, USA
| | | | - Yi Wu
- Music and Audio Research Laboratory, New York University, New York, USA
| | - Delong Lin
- Music and Audio Research Laboratory, New York University, New York, USA
| | | | - Daphna Harel
- Department of Applied Statistics, Social Science, and Humanities, New York University, New York, USA
| | - Anat V Lubetzky
- Department of Physical Therapy, New York University, NYU, 380 2nd Ave 4th floor, New York, 10010, USA.
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Anton K, Ernst A, Basta D. Sound and postural control during stance tasks in abnormal subjective haptic vertical. J Vestib Res 2024; 34:93-102. [PMID: 38517829 DOI: 10.3233/ves-230079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/24/2024]
Abstract
BACKGROUND Patients with vestibular impairment often suffer from postural instability. This could be compensated by other sensory systems such as the auditory system. OBJECTIVE The aim of this study was to investigate whether auditory input improves postural stability in patients with abnormal subjective haptic vertical (SHV). METHODS Participants (n = 13) with normal hearing and vision, but abnormal SHV participated. Participants performed standing on firm ground and foam support (eyes open/closed) and Tandem Romberg test (eyes closed) in quiet (reference), noise and with plugged ears. All tasks were conducted in a soundproofed and reverberant room. Postural stability was recorded close to the body's center of gravity. Reference conditions were compared with a control group. RESULTS In only two tasks sway increased significantly when noise was presented during challenging tasks in the soundproofed room. Sway of the reference conditions did not differ significantly between control and study group. CONCLUSIONS This study shows no influence of applied auditory stimulation on posture in participants with abnormal SHV in a reverberant room, but an adverse effect on balance during difficult tasks in the soundproofed room. Noise possibly masked auditory information that was helpful in improving posture in the quiet condition. Futhermore, noise might have distracted participants from maintaining balance.
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Affiliation(s)
- Kristina Anton
- Department of Otolaryngology at UKB, University of Berlin, Charité Medical School, Berlin, Germany
| | - Arne Ernst
- Department of Otolaryngology at UKB, University of Berlin, Charité Medical School, Berlin, Germany
| | - Dietmar Basta
- Department of Otolaryngology at UKB, University of Berlin, Charité Medical School, Berlin, Germany
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5
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Waer FB, Sahli S, Alexe CI, Man MC, Alexe DI, Burchel LO. The Effects of Listening to Music on Postural Balance in Middle-Aged Women. SENSORS (BASEL, SWITZERLAND) 2023; 24:202. [PMID: 38203063 PMCID: PMC10781301 DOI: 10.3390/s24010202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 12/22/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024]
Abstract
Listening to music has been found to influence postural balance in both healthy participants and certain patients, whereas no study investigates such effects among healthy middle-aged women. Thus, this study aimed to investigate the effect of music on postural balance in middle-aged women. Twenty-six healthy women aged between 50 and 55 years participated in this study. A stabilometric platform was used to assess their postural balance by recording the mean center of pressure velocity (VmCOP) in the eyes-opened (OE) and -closed (EC) conditions on both firm and foam surfaces. Our results showed that listening to an excerpt of Mozart's Jupiter significantly decreased the VmCOP values in two sensory conditions (firm surface/EO: (p < 0.01; 95% CI: 0.27 to 2.22); foam surface/EC: (p < 0.001; 95% CI: 0.48 to 2.44)), but not in the other two conditions (firm surface/EC and foam surface/EO). We concluded that listening to Mozart's symphony improved postural performance in middle-aged women, even in challenged postural conditions. These enhancements could offer great potential for everyday functioning.
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Affiliation(s)
- Fatma Ben Waer
- Research Laboratory Education, Motricity, Sport and Health, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax 3000, Tunisia; (F.B.W.); (S.S.)
| | - Sonia Sahli
- Research Laboratory Education, Motricity, Sport and Health, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax 3000, Tunisia; (F.B.W.); (S.S.)
| | - Cristina Ioana Alexe
- Department of Physical Education and Sports Performance, Faculty of Movement, Sports and Health Sciences, “Vasile Alecsandri” University of Bacau, 600115 Bacau, Romania
| | - Maria Cristina Man
- Department of Physical Education, 1 Decembrie 1918 University of Alba Iulia, 510009 Alba Iulia, Romania
| | - Dan Iulian Alexe
- Department of Physical and Occupational Therapy, Faculty of Movement, Sports and Health Sciences, “Vasile Alecsandri” University of Bacău, 600115 Bacau, Romania;
| | - Lucian Ovidiu Burchel
- Department of Environmental Sciences, Physics, Physical Education and Sports, Faculty of Sciences, Lucian Blaga University of Sibiu, 550024 Sibiu, Romania;
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Ross JM, Cline CC, Sarkar M, Truong J, Keller CJ. Neural effects of TMS trains on the human prefrontal cortex. Sci Rep 2023; 13:22700. [PMID: 38123591 PMCID: PMC10733322 DOI: 10.1038/s41598-023-49250-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 12/06/2023] [Indexed: 12/23/2023] Open
Abstract
How does a train of TMS pulses modify neural activity in humans? Despite adoption of repetitive TMS (rTMS) for the treatment of neuropsychiatric disorders, we still do not understand how rTMS changes the human brain. This limited understanding stems in part from a lack of methods for noninvasively measuring the neural effects of a single TMS train-a fundamental building block of treatment-as well as the cumulative effects of consecutive TMS trains. Gaining this understanding would provide foundational knowledge to guide the next generation of treatments. Here, to overcome this limitation, we developed methods to noninvasively measure causal and acute changes in cortical excitability and evaluated this neural response to single and sequential TMS trains. In 16 healthy adults, standard 10 Hz trains were applied to the dorsolateral prefrontal cortex in a randomized, sham-controlled, event-related design and changes were assessed based on the TMS-evoked potential (TEP), a measure of cortical excitability. We hypothesized that single TMS trains would induce changes in the local TEP amplitude and that those changes would accumulate across sequential trains, but primary analyses did not indicate evidence in support of either of these hypotheses. Exploratory analyses demonstrated non-local neural changes in sensor and source space and local neural changes in phase and source space. Together these results suggest that single and sequential TMS trains may not be sufficient to modulate local cortical excitability indexed by typical TEP amplitude metrics but may cause neural changes that can be detected outside the stimulation area or using phase or source space metrics. This work should be contextualized as methods development for the monitoring of transient noninvasive neural changes during rTMS and contributes to a growing understanding of the neural effects of rTMS.
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Affiliation(s)
- Jessica M Ross
- Department of Psychiatry and Behavioral Sciences, Stanford University Medical Center, 401 Quarry Road, Stanford, CA, 94305-5797, USA
- Veterans Affairs Palo Alto Healthcare System, and the Sierra Pacific Mental Illness, Research, Education, and Clinical Center (MIRECC), 3801 Miranda Avenue, Palo Alto, CA, 94304, USA
- Wu Tsai Neuroscience Institute, Stanford University, Stanford, CA, USA
| | - Christopher C Cline
- Department of Psychiatry and Behavioral Sciences, Stanford University Medical Center, 401 Quarry Road, Stanford, CA, 94305-5797, USA
- Wu Tsai Neuroscience Institute, Stanford University, Stanford, CA, USA
| | - Manjima Sarkar
- Department of Psychiatry and Behavioral Sciences, Stanford University Medical Center, 401 Quarry Road, Stanford, CA, 94305-5797, USA
- Wu Tsai Neuroscience Institute, Stanford University, Stanford, CA, USA
| | - Jade Truong
- Department of Psychiatry and Behavioral Sciences, Stanford University Medical Center, 401 Quarry Road, Stanford, CA, 94305-5797, USA
- Wu Tsai Neuroscience Institute, Stanford University, Stanford, CA, USA
| | - Corey J Keller
- Department of Psychiatry and Behavioral Sciences, Stanford University Medical Center, 401 Quarry Road, Stanford, CA, 94305-5797, USA.
- Veterans Affairs Palo Alto Healthcare System, and the Sierra Pacific Mental Illness, Research, Education, and Clinical Center (MIRECC), 3801 Miranda Avenue, Palo Alto, CA, 94304, USA.
- Wu Tsai Neuroscience Institute, Stanford University, Stanford, CA, USA.
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Lavie L, Tobia N, Slav-Zarfati N, Castel S, Banai K. Are Current Data Sufficient to Infer that Hearing Aids Contribute to Postural Control and Balance in Older Adults? A Systematic Review. Folia Phoniatr Logop 2023; 76:232-244. [PMID: 37717567 PMCID: PMC11151983 DOI: 10.1159/000534164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 09/14/2023] [Indexed: 09/19/2023] Open
Abstract
INTRODUCTION Balance and postural control are related to hearing and hearing loss, but whether they can be improved with hearing aid use in older adults is not clear. We systematically reviewed controlled studies in which balance and hearing were tested in experienced older hearing aid users to determine the potential effects of hearing aid use on balance. METHODS The review was pre-registered in PROSPERO and performed in accordance with PRISMA. The question, inclusion, and exclusion criteria were defined using the Population, Intervention, Control, Outcomes and Study design (PICOS) framework. Older adults with hearing loss and no experience with hearing aids, or balance tests conducted without hearing aids in hearing aid users served as controls. RESULTS A total of 803 studies were screened, eight of which met the inclusion and exclusion criteria and were included in the final review. Five of the eight studies found a significant correlation between the use of hearing aids and the outcomes of the balance tests. The quality of the studies was limited or moderate. Key Discussion: The role of hearing aids in balance and postural control is unclear because of the quality of the papers and the sparse reporting of hearing status and hearing aids quality of fitting and use.
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Affiliation(s)
- Limor Lavie
- Department of Communication Sciences and Disorders, University of Haifa, Haifa, Israel
| | - Nawras Tobia
- Department of Communication Sciences and Disorders, University of Haifa, Haifa, Israel
| | - Neta Slav-Zarfati
- Department of Communication Sciences and Disorders, University of Haifa, Haifa, Israel
| | - Shefi Castel
- Department of Communication Sciences and Disorders, University of Haifa, Haifa, Israel
| | - Karen Banai
- Department of Communication Sciences and Disorders, University of Haifa, Haifa, Israel
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Higgins NC, Pupo DA, Ozmeral EJ, Eddins DA. Head movement and its relation to hearing. Front Psychol 2023; 14:1183303. [PMID: 37448716 PMCID: PMC10338176 DOI: 10.3389/fpsyg.2023.1183303] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 06/07/2023] [Indexed: 07/15/2023] Open
Abstract
Head position at any point in time plays a fundamental role in shaping the auditory information that reaches a listener, information that continuously changes as the head moves and reorients to different listening situations. The connection between hearing science and the kinesthetics of head movement has gained interest due to technological advances that have increased the feasibility of providing behavioral and biological feedback to assistive listening devices that can interpret movement patterns that reflect listening intent. Increasing evidence also shows that the negative impact of hearing deficits on mobility, gait, and balance may be mitigated by prosthetic hearing device intervention. Better understanding of the relationships between head movement, full body kinetics, and hearing health, should lead to improved signal processing strategies across a range of assistive and augmented hearing devices. The purpose of this review is to introduce the wider hearing community to the kinesiology of head movement and to place it in the context of hearing and communication with the goal of expanding the field of ecologically-specific listener behavior.
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Affiliation(s)
- Nathan C. Higgins
- Department of Communication Sciences and Disorders, University of South Florida, Tampa, FL, United States
| | - Daniel A. Pupo
- Department of Communication Sciences and Disorders, University of South Florida, Tampa, FL, United States
- School of Aging Studies, University of South Florida, Tampa, FL, United States
| | - Erol J. Ozmeral
- Department of Communication Sciences and Disorders, University of South Florida, Tampa, FL, United States
| | - David A. Eddins
- Department of Communication Sciences and Disorders, University of South Florida, Tampa, FL, United States
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Seiwerth I. Interaction of Hearing and Balance. Laryngorhinootologie 2023; 102:S35-S49. [PMID: 37130529 PMCID: PMC10184668 DOI: 10.1055/a-1960-4641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
There is increasingly assumed that, in addition to visual, vestibular and somatosensory afferents, hearing also plays a role in the regulation of balance. It seems that, especially in old age, progressive hearing loss is associated with a decrease in postural control. Several studies investigated this relationship in normal-hearing people, in patients with conventional hearing aids and with implantable hearing systems, as well as in patients with vestibular disorders. Despite the inhomogeneous study situation and lack of evidence, hearing seems to interact with the balance regulation system with potentially stabilizing effect. Furthermore, insights into audiovestibular interaction mechanisms could be achieved, which could possibly be integrated into therapeutic concepts of patients with vestibular disorders. However, further prospective controlled studies are necessary to bring this issue to an evidence-based level.
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Affiliation(s)
- Ingmar Seiwerth
- Universitätsklinik und Poliklinik für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie, Martin-Luther-Universität Halle-Wittenberg, Universitätsklinikum Halle (Saale), Halle (Saale), Deutschland
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10
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Carey S, Ross JM, Balasubramaniam R. Auditory, tactile, and multimodal noise reduce balance variability. Exp Brain Res 2023; 241:1241-1249. [PMID: 36961554 PMCID: PMC10130119 DOI: 10.1007/s00221-023-06598-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 03/10/2023] [Indexed: 03/25/2023]
Abstract
Auditory and somatosensory white noise can stabilize standing balance. However, the differential effects of auditory and tactile noise stimulation on balance are unknown. Prior work on unimodal noise stimulation showed gains in balance with white noise through the auditory and tactile modalities separately. The current study aims to examine whether multimodal noise elicits similar responses to unimodal noise. We recorded the postural sway of healthy young adults who were presented with continuous white noise through the auditory or tactile modalities and through a combination of both (multimodal condition) using a wearable device. Our results replicate previous work that showed that auditory or tactile noise reduces sway variability with and without vision. Additionally, we show that multimodal noise also reduces the variability of sway. Analysis of different frequency bands of sway is typically used to separate open-loop exploratory (< 0.3 Hz) and feedback-driven (> 0.3 Hz) sway. We performed this analysis and showed that unimodal and multimodal white noise affected postural sway variability similarly in both timescales. These results support that the sensory noise effects on balance are robust across unimodal and multimodal conditions and can affect both mechanisms of sway represented in the frequency spectrum. In future work, the parameters of acoustic/tactile manipulation should be optimized for the most effective balance stabilization, and multimodal therapies should be explored for older adults with typical age-related balance instabilities.
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Affiliation(s)
- Sam Carey
- Sensorimotor Neuroscience Laboratory, Cognitive & Information Sciences, University of California, 5200 N Lake Road, Merced, CA, 95343, USA.
| | - Jessica M Ross
- Veterans Affairs Palo Alto Healthcare System and the Sierra Pacific Mental Illness, Research, Education, and Clinical Center, Palo Alto, CA, USA
- Department of Psychiatry and Behavioral Sciences, Stanford University Medical Center, Stanford, CA, USA
| | - Ramesh Balasubramaniam
- Sensorimotor Neuroscience Laboratory, Cognitive & Information Sciences, University of California, 5200 N Lake Road, Merced, CA, 95343, USA.
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Apaydin Cirik V, Gül U, Kihtir Z, Arayici S, Efe E, Çakmak H, Çalişkan F. The effect of using maternal voice, white noise, and holding combination interventions on the heel stick sampling. J Pediatr Nurs 2023; 70:1-11. [PMID: 36738536 DOI: 10.1016/j.pedn.2023.01.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 01/22/2023] [Accepted: 01/22/2023] [Indexed: 02/05/2023]
Abstract
BACKGROUND Heel stick sampling, a common procedure in newborns, causes acute pain. AIMS This study aims to measure the outcome of five various non-pharmacologic pain relief groups; maternal voice, white noise, holding, maternal voice+holding, and white noise+holding. METHODS The study is an open label, randomized controlled trial. A total of 178 newborns were included in this study. Newborns were randomly allocated to each group; white noise (n = 31), maternal voice (n = 31), holding (n = 30), white noise+holding (n = 29), maternal voice+holding (n = 28), and control (n = 29) interventions. Newborns' pain responses were evaluated using the Neonatal Infant Pain Scale (NIPS), and the Premature Infant Pain Profile (PIPP). The primary measured outcomes were the newborns' pain levels, while the secondary outcomes were the heart rate and changes in oxygen saturation. The mean values of pain in neonates between groups were evaluated one minute before (Phase1), during (Phase2), and one minute after (Phase3) the procedure. RESULTS The research results are given with comparisons in three time periods (Phase1, Phase2 and Phase3). White noise and white noise+holding were found to have the lowest mean NIPS and PIPP score (p < 0.001). The mean heart rate was found to be the lowest in the white noise+holding group (p < 0.001). There was no significant difference between the groups in terms of oxygen saturation score (p = 0.453). CONCLUSION The white noise+holding applied to newborns during heel stick sampling were effective in pain reduction. Nurses and midwives can use white noise+holding method. IMPLICATIONS TO PRACTICE These results contribute to the pain management of newborns.
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Affiliation(s)
- Vildan Apaydin Cirik
- Karamanoğlu Mehmetbey University, Faculty of Health Sciences, Department of Midwifery, Karaman, Turkey.
| | - Uğur Gül
- Child Health Nursing Department, Nursing Faculty, Akdeniz University, Antalya, Turkey.
| | - Zeynep Kihtir
- Department of Pediatrics, Division of Neonatology, Faculty of Medicine, Akdeniz University, Antalya, Turkey.
| | - Sema Arayici
- Department of Pediatrics, Division of Neonatology, Faculty of Medicine, Akdeniz University, Antalya, Turkey.
| | - Emine Efe
- Child Health Nursing Department, Nursing Faculty, Akdeniz University, Antalya, Turkey.
| | - Havva Çakmak
- Akdeniz University Hospital, Akdeniz University, Antalya, Turkey.
| | - Fatma Çalişkan
- Akdeniz University Hospital, Akdeniz University, Antalya, Turkey.
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Hamada N, Kunimura H, Matsuoka M, Oda H, Hiraoka K. Advanced cueing of auditory stimulus to the head induces body sway in the direction opposite to the stimulus site during quiet stance in male participants. Front Hum Neurosci 2022; 16:1028700. [PMID: 36569476 PMCID: PMC9775284 DOI: 10.3389/fnhum.2022.1028700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 11/11/2022] [Indexed: 12/12/2022] Open
Abstract
Under certain conditions, a tactile stimulus to the head induces the movement of the head away from the stimulus, and this is thought to be caused by a defense mechanism. In this study, we tested our hypothesis that predicting the stimulus site of the head in a quiet stance activates the defense mechanism, causing a body to sway to keep the head away from the stimulus. Fourteen healthy male participants aged 31.2 ± 6.8 years participated in this study. A visual cue predicting the forthcoming stimulus site (forehead, left side of the head, right side of the head, or back of the head) was given. Four seconds after this cue, an auditory or electrical tactile stimulus was given at the site predicted by the cue. The cue predicting the tactile stimulus site of the head did not induce a body sway. The cue predicting the auditory stimulus to the back of the head induced a forward body sway, and the cue predicting the stimulus to the forehead induced a backward body sway. The cue predicting the auditory stimulus to the left side of the head induced a rightward body sway, and the cue predicting the stimulus to the right side of the head induced a leftward body sway. These findings support our hypothesis that predicting the auditory stimulus site of the head induces a body sway in a quiet stance to keep the head away from the stimulus. The right gastrocnemius muscle contributes to the control of the body sway in the anterior-posterior axis related to this defense mechanism.
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Affiliation(s)
- Naoki Hamada
- Department of Rehabilitation Science, School of Medicine, Osaka Metropolitan University, Habikino, Japan
| | - Hiroshi Kunimura
- Department of Rehabilitation Science, School of Medicine, Osaka Metropolitan University, Habikino, Japan
| | - Masakazu Matsuoka
- Department of Rehabilitation Science, School of Medicine, Osaka Metropolitan University, Habikino, Japan
| | - Hitoshi Oda
- Graduate School of Comprehensive Rehabilitation, Osaka Prefecture University, Habikino, Japan
| | - Koichi Hiraoka
- Department of Rehabilitation Science, School of Medicine, Osaka Metropolitan University, Habikino, Japan,*Correspondence: Koichi Hiraoka
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Stimulation with acoustic white noise enhances motor excitability and sensorimotor integration. Sci Rep 2022; 12:13108. [PMID: 35907889 PMCID: PMC9338990 DOI: 10.1038/s41598-022-17055-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 07/20/2022] [Indexed: 11/09/2022] Open
Abstract
Auditory white noise (WN) is widely used in neuroscience to mask unwanted environmental noise and cues, e.g. TMS clicks. However, to date there is no research on the influence of WN on corticospinal excitability and potentially associated sensorimotor integration itself. Here we tested the hypothesis, if WN induces M1 excitability changes and improves sensorimotor performance. M1 excitability (spTMS, SICI, ICF, I/O curve) and sensorimotor reaction-time performance were quantified before, during and after WN stimulation in a set of experiments performed in a cohort of 61 healthy subjects. WN enhanced M1 corticospinal excitability, not just during exposure, but also during silence periods intermingled with WN, and up to several minutes after the end of exposure. Two independent behavioural experiments highlighted that WN improved multimodal sensorimotor performance. The enduring excitability modulation combined with the effects on behaviour suggest that WN might induce neural plasticity. WN is thus a relevant modulator of corticospinal function; its neurobiological effects should not be neglected and could in fact be exploited in research applications.
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Seiwerth I, Brylok A, Schwesig R, Rahne T, Fröhlich L, Lauenroth A, Hullar TE, Plontke SK. Influence of Hearing Rehabilitation With Active Middle Ear and Bone Conduction Implants on Postural Control. Front Neurol 2022; 13:846999. [PMID: 35645964 PMCID: PMC9130604 DOI: 10.3389/fneur.2022.846999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 03/30/2022] [Indexed: 11/30/2022] Open
Abstract
Background As audition also seems to contribute to balance control, additionally to visual, proprioceptive, and vestibular information, we hypothesize that hearing rehabilitation with active middle ear and bone conduction implants can influence postural control. Methods In a prospective explorative study, the impact of hearing rehabilitation with active middle ear [Vibrant Soundbrige (VSB), MED-EL, Innsbruck, Austria] and bone conduction implants [Bonebridge (BB), MED-EL, Innsbruck, Austria] on postural control in adults was examined in three experiments. Vestibulospinal control was measured by cranio-corpography (CCG), trunk sway velocity (°/s) by the Standard Balance Deficit Test (SBDT), and postural stability with a force plate system, each time in best aided (BA) and unaided (UA) condition with frontal-noise presentation (Fastl noise, 65 dB SPL), followed by subjective evaluation, respectively. Results In 26 subjects [age 55.0 ± 12.8 years; unilateral VSB/BB: n = 15; bilateral VSB/BB: n = 3, bimodal (VSB/BB + hearing aid): n = 8], CCG-analysis showed no difference between BA and UA conditions for the means of distance, angle of displacement, and angle of rotation, respectively. Trunk sway measurements revealed a relevant increase of sway in standing on foam (p = 0.01, r = 0.51) and a relevant sway reduction in walking (p = 0.026, r = 0.44, roll plane) in BA condition. Selective postural subsystem analysis revealed a relevant increase of the vestibular component in BA condition (p = 0.017, r = 0.47). As measured with the Interactive Balance System (IBS), 42% of the subjects improved stability (ST) in BA condition, 31% showed no difference, and 27% deteriorated, while no difference was seen in comparison of means. Subjectively, 4–7% of participants felt that noise improved their balance, 73–85% felt no difference, and 7–23% reported deterioration by noise. Furthermore, 46–50% reported a better task performance in BA condition; 35–46% felt no difference and 4–15% found the UA situation more helpful. Conclusions Subjectively, approximately half of the participants reported a benefit in task performance in BA condition. Objectively, this could only be shown in one mobile SBDT-task. Subsystem analysis of trunk sway provided insights in multisensory reweighting mechanisms.
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Affiliation(s)
- Ingmar Seiwerth
- Department of Otorhinolaryngology, Head and Neck Surgery, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
- *Correspondence: Ingmar Seiwerth
| | - Antonia Brylok
- Department of Otorhinolaryngology, Head and Neck Surgery, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
| | - René Schwesig
- Department of Orthopaedic and Trauma Surgery, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
| | - Torsten Rahne
- Department of Otorhinolaryngology, Head and Neck Surgery, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
| | - Laura Fröhlich
- Department of Otorhinolaryngology, Head and Neck Surgery, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
| | - Andreas Lauenroth
- Department of Orthopaedic and Trauma Surgery, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
| | - Timothy E. Hullar
- Veterans Administration (VA) Portland National Center for Rehabilitative Auditory Research and Department of Otolaryngology-Head and Neck Surgery, Oregon Health and Science University, Portland, OR, United States
| | - Stefan K. Plontke
- Department of Otorhinolaryngology, Head and Neck Surgery, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
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15
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Ross JM, Ozdemir RA, Lian SJ, Fried PJ, Schmitt EM, Inouye SK, Pascual-Leone A, Shafi MM. A structured ICA-based process for removing auditory evoked potentials. Sci Rep 2022; 12:1391. [PMID: 35082350 PMCID: PMC8791940 DOI: 10.1038/s41598-022-05397-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 12/22/2021] [Indexed: 12/13/2022] Open
Abstract
Transcranial magnetic stimulation (TMS)-evoked potentials (TEPs), recorded using electroencephalography (EEG), reflect a combination of TMS-induced cortical activity and multi-sensory responses to TMS. The auditory evoked potential (AEP) is a high-amplitude sensory potential-evoked by the "click" sound produced by every TMS pulse-that can dominate the TEP and obscure observation of other neural components. The AEP is peripherally evoked and therefore should not be stimulation site specific. We address the problem of disentangling the peripherally evoked AEP of the TEP from components evoked by cortical stimulation and ask whether removal of AEP enables more accurate isolation of TEP. We hypothesized that isolation of the AEP using Independent Components Analysis (ICA) would reveal features that are stimulation site specific and unique individual features. In order to improve the effectiveness of ICA for removal of AEP from the TEP, and thus more clearly separate the transcranial-evoked and non-specific TMS-modulated potentials, we merged sham and active TMS datasets representing multiple stimulation conditions, removed the resulting AEP component, and evaluated performance across different sham protocols and clinical populations using reduction in Global and Local Mean Field Power (GMFP/LMFP) and cosine similarity analysis. We show that removing AEPs significantly reduced GMFP and LMFP in the post-stimulation TEP (14 to 400 ms), driven by time windows consistent with the N100 and P200 temporal characteristics of AEPs. Cosine similarity analysis supports that removing AEPs reduces TEP similarity between subjects and reduces TEP similarity between stimulation conditions. Similarity is reduced most in a mid-latency window consistent with the N100 time-course, but nevertheless remains high in this time window. Residual TEP in this window has a time-course and topography unique from AEPs, which follow-up exploratory analyses suggest could be a modulation in the alpha band that is not stimulation site specific but is unique to individual subject. We show, using two datasets and two implementations of sham, evidence in cortical topography, TEP time-course, GMFP/LMFP and cosine similarity analyses that this procedure is effective and conservative in removing the AEP from TEP, and may thus better isolate TMS-evoked activity. We show TEP remaining in early, mid and late latencies. The early response is site and subject specific. Later response may be consistent with TMS-modulated alpha activity that is not site specific but is unique to the individual. TEP remaining after removal of AEP is unique and can provide insight into TMS-evoked potentials and other modulated oscillatory dynamics.
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Affiliation(s)
- Jessica M Ross
- Berenson-Allen Center for Noninvasive Brain Stimulation, Beth Israel Deaconess Medical Center, 330 Brookline Avenue, KS-423, Boston, MA, USA.
- Department of Neurology, Harvard Medical School, Boston, MA, USA.
| | - Recep A Ozdemir
- Berenson-Allen Center for Noninvasive Brain Stimulation, Beth Israel Deaconess Medical Center, 330 Brookline Avenue, KS-423, Boston, MA, USA
- Department of Neurology, Harvard Medical School, Boston, MA, USA
| | - Shu Jing Lian
- Berenson-Allen Center for Noninvasive Brain Stimulation, Beth Israel Deaconess Medical Center, 330 Brookline Avenue, KS-423, Boston, MA, USA
| | - Peter J Fried
- Berenson-Allen Center for Noninvasive Brain Stimulation, Beth Israel Deaconess Medical Center, 330 Brookline Avenue, KS-423, Boston, MA, USA
- Department of Neurology, Harvard Medical School, Boston, MA, USA
| | - Eva M Schmitt
- Hinda and Arthur Marcus Institute for Aging Research, and Deanna and Sidney Wolk Center for Memory Health, Hebrew SeniorLife, Boston, MA, USA
| | - Sharon K Inouye
- Department of Medicine, Harvard Medical School, Boston, MA, USA
- Hinda and Arthur Marcus Institute for Aging Research, and Deanna and Sidney Wolk Center for Memory Health, Hebrew SeniorLife, Boston, MA, USA
| | - Alvaro Pascual-Leone
- Department of Neurology, Harvard Medical School, Boston, MA, USA
- Hinda and Arthur Marcus Institute for Aging Research, and Deanna and Sidney Wolk Center for Memory Health, Hebrew SeniorLife, Boston, MA, USA
- Guttmann Brain Health Institute, Institut Guttmann, Institut Universitari de Neurorehabilitació adscrit a la UAB, Badalona, Barcelona, Spain
| | - Mouhsin M Shafi
- Berenson-Allen Center for Noninvasive Brain Stimulation, Beth Israel Deaconess Medical Center, 330 Brookline Avenue, KS-423, Boston, MA, USA
- Department of Neurology, Harvard Medical School, Boston, MA, USA
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16
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Tommasini FC, Evin DA, Bermejo F, Hüg MX, Barrios MV, Pampaluna A. Recurrence analysis of sensorimotor trajectories in a minimalist perceptual task using sonification. Cogn Process 2022; 23:285-298. [PMID: 34981279 DOI: 10.1007/s10339-021-01068-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 11/22/2021] [Indexed: 11/29/2022]
Abstract
Active Perception perspectives claim that action is closely related to perception. An empirical approach that supports these theories is the minimalist, in which participants perform a task using an interface that provides minimal information. Their exploratory movements are crucial to generating a meaningful sequence of information. Previous studies analyzed sensorimotor trajectories describing qualitative strategies and linear quantification of participants' movement performance, but that approach struggles to capture the behavior of non-stationary data. In the present study, we applied the recurrence plot (RP) and recurrence quantification analysis (RQA) to study the structure of sensorimotor trajectories developed by participants trying to discriminate between two invisible geometric shapes (Triangle or Rectangle). The exploratory movements were made using a computer mouse and sonification-mediated feedback was provided, which depended exclusively on whether the pointer was inside or outside the shape. We applied RP and RQA to the sensorimotor trajectories, with the aim of studying their fine structure characteristics, focusing on their repetitive patterns. Recurrence analysis proved to be useful for quantifying differences in dynamic behavior that emerge when participants explore invisible virtual geometric shapes. The differences obtained in RQA-based measures associated with the vertical structures allowed to postulate the existence of particular exploration strategies for each figure. It was also possible to determine that the complexity of the dynamics changed according to the shape. We discuss these results in light of antecedents in haptic and visual perceptual exploration.
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Affiliation(s)
- Fabián C Tommasini
- Centro de Investigación y Transferencia en Acústica (CINTRA), CONICET, Universidad Tecnológica Nacional Facultad Regional Córdoba, Córdoba, Argentina.
| | - Diego A Evin
- Centro de Investigación y Transferencia en Acústica (CINTRA), CONICET, Universidad Tecnológica Nacional Facultad Regional Córdoba, Córdoba, Argentina.,Facultad de Ingeniería, Universidad Nacional de Entre Ríos, Oro Verde, Entre Ríos, Argentina
| | - Fernando Bermejo
- Centro de Investigación y Transferencia en Acústica (CINTRA), CONICET, Universidad Tecnológica Nacional Facultad Regional Córdoba, Córdoba, Argentina.,Facultad de Psicología, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Mercedes X Hüg
- Centro de Investigación y Transferencia en Acústica (CINTRA), CONICET, Universidad Tecnológica Nacional Facultad Regional Córdoba, Córdoba, Argentina.,Facultad de Psicología, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - M Virginia Barrios
- Centro de Investigación y Transferencia en Acústica (CINTRA), CONICET, Universidad Tecnológica Nacional Facultad Regional Córdoba, Córdoba, Argentina
| | - Augusto Pampaluna
- Centro de Investigación y Transferencia en Acústica (CINTRA), CONICET, Universidad Tecnológica Nacional Facultad Regional Córdoba, Córdoba, Argentina
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The effect of music on body sway when standing in a moving virtual environment. PLoS One 2021; 16:e0258000. [PMID: 34582503 PMCID: PMC8478188 DOI: 10.1371/journal.pone.0258000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 09/15/2021] [Indexed: 11/27/2022] Open
Abstract
Movement of the visual environment presented through virtual reality (VR) has been shown to invoke postural adjustments measured by increased body sway. The effect of auditory information on body sway seems to be dependent on context with sounds such as white noise, tones, and music being used to amplify or suppress sway. This study aims to show that music manipulated to match VR motion further increases body sway. Twenty-eight subjects stood on a force plate and experienced combinations of 3 visual conditions (VR translation in the AP direction at 0.1 Hz, no translation, and eyes closed) and 4 music conditions (Mozart’s Jupiter Symphony modified to scale volume at 0.1 Hz and 0.25 Hz, unmodified music, and no music) Body sway was assessed by measuring center of pressure (COP) velocities and RMS. Cross-coherence between the body sway and the 0.1 Hz and 0.25 Hz stimuli was also determined. VR translations at 0.1 Hz matched with 0.1Hz shifts in music volume did not lead to more body sway than observed in the no music and unmodified music conditions. Researchers and clinicians may consider manipulating sound to enhance VR induced body sway, but findings from this study would not suggest using volume to do so.
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18
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Mohammadi M, Enayati Z, Shaabani M, Vahedi M. Stationary auditory white noise improves postural control in healthy adults: A novel study on head-shaking. J Vestib Res 2021; 32:99-112. [PMID: 34569982 DOI: 10.3233/ves-201616] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Auditory cues might play a role in postural control. OBJECTIVE The primary aim of this study was to investigate the association between white noise and head-shake (HS) related changes in postural sway. METHODS Fifty healthy adults underwent Synapsys Posturography System (SPS) evaluation. The posturography (PG) evaluation consisted of two protocols: sensory organization test (SOT) and SOT with head-shake (HS) (HS-SOT). The standard SOT protocol of SPS involves a battery of six postural conditions. In the current study, participants underwent only four SOT conditions. The participants were asked to stand barefoot on the SPS platform (static platform and foam). The SOT standing conditions were as follow: (1) firm surface (force platform only) with eyes open (SOT1); (2) firm surface with eyes closed (SOT2); (3) foam surface (which was positioned on the force platform) with eyes open (SOT4); and (4) foam surface with eyes closed (SOT5). For the HS-SOT protocol, we asked the participants to move their heads left and right (i.e., yaw head rotation) in the mentioned SOT conditions. Each postural condition was 10 seconds long. Both SOT and HS-SOT postural conditions were conducted across the two hearing modes of silence and noise. To achieve our aims, comparison of sway parameters between SOT and HS-SOT, and between hearing modes were considered. RESULTS White noise was associated with a reduction in postural sway. The reduction observed in sway area, sway amplitude, and sway frequency. Moreover, HS significantly increased postural sway in all HS-SOT conditions compared to their SOT equivalents (i.e., HS-SOT1 compared to SOT1, etc.). The presence of white noise was associated with a decrease in the HS-related increase in postural sway. CONCLUSIONS Considering the results, this study adds to the body of literature suggesting that white noise contributes to postural control, and the implications of this for rehabilitation need to be further investigated.
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Affiliation(s)
- Midya Mohammadi
- Department of Student Research Committee, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
| | - Zakaria Enayati
- Department of Audiology, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
| | - Moslem Shaabani
- Department of Audiology, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
| | - Mohsen Vahedi
- Department of Biostatistics, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
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Cheung TCK, Schmuckler MA. Multisensory postural control in adults: Variation in visual, haptic, and proprioceptive inputs. Hum Mov Sci 2021; 79:102845. [PMID: 34358881 DOI: 10.1016/j.humov.2021.102845] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 04/21/2021] [Accepted: 07/08/2021] [Indexed: 11/25/2022]
Abstract
Maintaining balance is fundamentally a multisensory process, with visual, haptic, and proprioceptive information all playing an important role in postural control. The current project examined the interaction between such sensory inputs, manipulating visual (presence versus absence), haptic (presence versus absence of contact with a stable or unstable finger support surface), and proprioceptive (varying stance widths, including shoulder width stance, Chaplin [heels together, feet splayed at approximately 60°] stance, feet together stance, and tandem stance) information. Analyses of mean velocity of the Centre of Pressure (CoP) revealed significant interactions between these factors, with stability gains observed as a function of increasing sensory information (e.g., visual, haptic, visual + haptic), although the nature of these gains was modulated by the proprioceptive information and the reliability of the haptic support surface (i.e., unstable versus stable finger supports). Subsequent analyses on individual difference parameters (e.g., height, leg length, weight, and areas of base of support) revealed that these variables were significantly related to postural measures across experimental conditions. These findings are discussed relative to their implications for multisensory postural control, and with respect to inverted pendulum models of balance. (185 words).
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20
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Liao J, Liu G, Xie N, Wang S, Wu T, Lin Y, Hu R, He HG. Mothers' voices and white noise on premature infants' physiological reactions in a neonatal intensive care unit: A multi-arm randomized controlled trial. Int J Nurs Stud 2021; 119:103934. [PMID: 33975075 DOI: 10.1016/j.ijnurstu.2021.103934] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 03/13/2021] [Accepted: 03/16/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND A few positive effects of mothers' voice on physiological outcomes have been studied and limited studies have focused on the level of cortisol. In addition, white noise has recently been found to be beneficial for human sleep, but studies in premature infants were limited and no study has compared the effects of mothers' voice and white noise on premature infants. OBJECTIVE To examine the effects of mothers' voice and white noise on sleep-wake patterns, salivary cortisol levels, weight gain, heart rate, and oxygen saturation of premature infants in a neonatal intensive care unit (NICU). METHODS This was a three-group randomized controlled trial. A total of 103 medically stable premature infants in incubators were recruited from the NICU of a women's and children's hospital in China between March and December 2017 and were randomized into three groups: the mothers' voice group (n = 34), the white noise group (n = 34), and the routine care group (n = 35). Mothers' voice, white noise, and no voice were provided to the three groups for 20 min at a time, three times a day for four consecutive days. The sound levels of the mothers' voice and white noise were controlled between 50 and 55 dB. Sleep-wake patterns, salivary cortisol level, and weight were measured at pre-test and post-test whereas heart rate and oxygen saturation were measured every five-minute at 11am, 2pm, 5pm for four-consecutive days. RESULTS A group difference was found only in weight gain (p = 0.003), with weight gain in the white noise group being significantly higher than the mothers' voice group (Z=-3.447, p = 0.001). Significant declines in total sleep time and sleep efficiency and increases in wake time after sleep onset and average awakening time were only found in the routine-care group between the pre-test and post-test (p<0.05). No significant differences were found in the salivary cortisol levels, heart rates, and oxygen saturation levels among the three groups (p>0.05). A significant increase in oxygen saturation during the 20-min intervention was found in white noise group. Non-significant decreases in the heart rate during the 20-min intervention and salivary cortisol levels at post test were noted in all the three groups. CONCLUSION White noise is more useful for encouraging weight gain in preterm infants compared with mothers' voices. White noise might be introduced for use in the care of premature infants in NICUs, and more high-quality randomized controlled trials are needed to confirm these findings. Trial Registration No: ChiCTR-INR-17012755.
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Affiliation(s)
- Jinhua Liao
- Experimentalist Assistant, School of Nursing, Fujian Medical University, Fuzhou, China
| | - Guihua Liu
- Research Assistant, School of Nursing, Fujian Medical University, Fuzhou, China
| | - Namei Xie
- Graduate Student, School of Nursing, Fujian Medical University, Fuzhou, China
| | - Shuo Wang
- Teacher Assistant, School of Nursing, Fujian Medical University, Fuzhou, China
| | - Taohong Wu
- Graduate Student, School of Nursing, Fujian Medical University, Fuzhou, China
| | - Ying Lin
- Associate Professor of Nursing, Neonatology Department, Women's and Children's Hospital in Fujian province, China
| | - Rongfang Hu
- Professor, School of Nursing, Fujian Medical University, Fuzhou, China.
| | - Hong-Gu He
- Associate Professor, Alice Lee Centre for Nursing Studies, Yong Loo Lin School of Medicine, National University of Singapore, National University Health System, Singapore.
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21
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Zhou Z, Wu C, Hu Z, Chai Y, Chen K, Asakawa T. Effects of white Gaussian noise on dynamic balance in healthy young adults. Sci Rep 2021; 11:5455. [PMID: 33750856 PMCID: PMC7943824 DOI: 10.1038/s41598-021-84706-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 02/16/2021] [Indexed: 11/24/2022] Open
Abstract
It has been known that short-time auditory stimulation can contribute to the improvement of the balancing ability of the human body. The present study aims to explore the effects of white Gaussian noise (WGN) of different intensities and frequencies on dynamic balance performance in healthy young adults. A total of 20 healthy young participants were asked to stand at a dynamic balance force platform, which swung along the x-axis with an amplitude of ± 4° and frequency of 1 Hz. Their center of pressure (COP) trajectories were recorded when they were stimulated by WGN of different intensities (block 1) and different frequencies (block 2). A traditional method and detrended fluctuation analysis (DFA) were used for data preprocessing. The authors found that only with 75–85 dB WGN, the COP parameters improved. WGN frequency did not affect the dynamic balance performance of all the participants. The DFA results indicated stimulation with 75 dB WGN enhanced the short-term index and reduced the crossover point. Stimulation with 500 Hz and 2500 Hz WGN significantly enhanced the short-term index. These results suggest that 75 dB WGN and 500 Hz and 2500 Hz WGN improved the participants’ dynamic balance performance. The results of this study indicate that a certain intensity of WGN is indispensable to achieve a remarkable improvement in dynamic balance. The DFA results suggest that WGN only affected the short-term persistence, indicating the potential of WGN being considered as an adjuvant therapy in low-speed rehabilitation training.
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Affiliation(s)
- Ziyou Zhou
- Department of Mechanical Engineering, School of Mechanical Engineering, Hangzhou Dianzi University, No.1158, Xiasha 2nd Street, Jianggan District, Hangzhou, 310018, Zhejiang, China
| | - Can Wu
- Department of Mechanical Engineering, School of Mechanical Engineering, Hangzhou Dianzi University, No.1158, Xiasha 2nd Street, Jianggan District, Hangzhou, 310018, Zhejiang, China
| | - Zhen Hu
- Department of Neurology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, 200000, China
| | - Yujuan Chai
- Health Science Center, School of Medical Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Kai Chen
- Department of Mechanical Engineering, School of Mechanical Engineering, Hangzhou Dianzi University, No.1158, Xiasha 2nd Street, Jianggan District, Hangzhou, 310018, Zhejiang, China.
| | - Tetsuya Asakawa
- Department of Neurosurgery, Hamamatsu University School of Medicine, Handayama, 1-20-1, Higashi-ku, Hamamatsu-City, Shizuoka, 431-3192, Japan. .,Research Base of Traditional Chinese Medicine Syndrome, Fujian University of Traditional Chinese Medicine, Fuzhou, 350122, China.
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22
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Grove CR, Whitney SL, Hetzel SJ, Heiderscheit BC, Pyle GM. Validation of a next-generation sensory organization test in adults with and without vestibular dysfunction. J Vestib Res 2021; 31:33-45. [PMID: 33325418 DOI: 10.3233/ves-200040] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
BACKGROUND The traditional Sensory Organization Test (T-SOT) is a gold standard balance test; however, the psychometric properties of assessing sensory organization with a virtual-reality-based posturography device have not been established. OBJECTIVE Our overall aims were to assess the criterion, concurrent, and convergent validity of a next-generation Sensory Organization Test (NG-SOT). METHODS Thirty-four adults (17 vestibular-impaired) participated. We compared the area under the curve (AUC) for receiver operator characteristic (ROC) analysis for the T-SOT and NG-SOT composite scores. Between-group and between-test differences for the composite and sensory analysis scores from each SOT were assessed using Wilcoxon Rank Sum tests. Additionally, we ran Spearman correlations between the NG-SOT composite score and outcomes of interest. RESULTS The AUCs for the NG-SOT and T-SOT were 0.950 (0.883, 1) and 0.990 (0.969, 1) respectively (p = 0.168). The median composite, vision, and visual preference scores were lower on the NG-SOT compared to the T-SOT; whereas, the median somatosensory score was higher on the NG-SOT compared to the T-SOT. Associations between the composite score and patient-reported or performance-based outcomes ranged from poor to strong. CONCLUSIONS The NG-SOT is a valid measure of balance in adults. However, the results of the NG-SOT and T-SOT should not be used interchangeably.
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Affiliation(s)
| | | | | | | | - G Mark Pyle
- University of Wisconsin-Madison, Madison, WI, USA
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Lubetzky AV, Gospodarek M, Arie L, Kelly J, Roginska A, Cosetti M. Auditory Input and Postural Control in Adults: A Narrative Review. JAMA Otolaryngol Head Neck Surg 2021; 146:480-487. [PMID: 32163114 DOI: 10.1001/jamaoto.2020.0032] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Importance An increase in the number of mechanistic studies targeting the association between sound and balance has been observed in recent years, but their results appear equivocal. Observations A search of PubMed and the Cochrane Database of Systematic Reviews for English-language studies on auditory input and postural control published from database inception through October 31, 2019, yielded 28 articles for review. These articles included 18 (64%) studies of healthy adults, 1 (4%) of participants with Alzheimer disease, 2 (7%) of participants with congenital blindness, 3 (11%) of participants with vestibular loss, and 4 (14%) of participants with diverse levels of hearing loss. Studies varied by the type of audio stimuli (natural vs generated sounds), apparatus (speakers vs headphones), and movement of sounds (eg, stationary, rotational). Most balance measurements involved standing on the floor or foam with eyes open or closed during which sway amount or velocity was quantified. Stationary broadband sounds, including white or environmental noise, may improve balance, but the results regarding stationary pure tone were inconclusive. The implication of moving sounds varied by apparatus (typically destabilizing when headphones were used) and sensory loss (more destabilizing with vestibular or hearing loss but perhaps less with a unilateral cochlear implant). Conclusions and Relevance Findings from this review suggest that stationary broadband noise can serve as an auditory anchor for balance primarily when projected via speakers and when the balance task is challenging. More research is needed that includes individuals with sensory loss and that tests paradigms using dynamic, ecologically valid sounds; clinicians should also consider auditory cues and the presence of hearing loss in balance and fall-risk assessments.
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Affiliation(s)
- Anat V Lubetzky
- Steinhardt School of Culture, Education and Human Development, Department of Physical Therapy, New York University, New York
| | - Marta Gospodarek
- Steinhardt School of Culture, Education and Human Development, Department of Music and Performing Arts Professions, New York University, New York
| | - Liraz Arie
- Steinhardt School of Culture, Education and Human Development, Department of Physical Therapy, New York University, New York
| | - Jennifer Kelly
- Vestibular Rehabilitation, New York Eye and Ear Infirmary of Mount Sinai, New York
| | - Agnieszka Roginska
- Steinhardt School of Culture, Education and Human Development, Department of Music and Performing Arts Professions, New York University, New York
| | - Maura Cosetti
- Department of Otolaryngology-Head and Neck Surgery, New York Eye and Ear Infirmary of Mount Sinai, New York
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Abstract
Background Postural regulation is based on complex interactions among postural subsystems. The auditory system too appears to have an influence on postural control. Objective The aim of this study was to measure the influence of auditory input on postural control and to gain a deeper understanding of the interactions between auditory input and postural subsystems including subjective aspects. Materials and methods In 30 healthy normal-hearing subjects, postural regulation and stability was measured with the Interactive Balance System (IBS; Inc. neurodata GmbH, Wien, Österreich) in 8 test positions with noise (frontal presentation) and plugged without noise. The IBS is an electrophysiological measurement device that measures postural control at the product level (e.g., stability, weight distribution) and the mechanisms of postural subsystems at the process level based on frequency-oriented fast-Fourier analysis of force–time relation. Results At the process level, we found a relevant reduction (ηp2 ≥ 0.10) of postural regulation with noise in the frequency bands F1 (visual and nigrostriatal system ηp2 = 0.122) and F2–4 (peripheral vestibular system ηp2 = 0.125). At the product level, the weight distribution index (WDI) parameter showed a relevant increase with noise (ηp2 = 0.159). No difference between the auditory conditions was found for postural stability (parameter: stability indicator, ST). Substantial interindividual variations in the subjective estimation of the influence of auditory inputs on stability were observed. Conclusion In this study, a shift in the activity of postural subsystems was observed with auditory input, while no difference was seen in ST. This leads to new insights into mechanisms of audiovestibular interaction.
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[Postural regulation and stability with acoustic input in normal hearing subjects. German version]. HNO 2020; 68:344-351. [PMID: 32219489 DOI: 10.1007/s00106-020-00845-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
BACKGROUND Postural regulation is based on complex interactions among postural subsystems. The auditory system too appears to have an influence on postural control. OBJECTIVE The aim of this study was to measure the influence of auditory input on postural control and to gain a deeper understanding of the interactions between auditory input and postural subsystems including subjective aspects. MATERIALS AND METHODS In 30 healthy normal-hearing subjects, postural regulation and stability was measured with the Interactive Balance System (IBS; Inc. neurodata GmbH, Wien, Österreich) in 8 test positions with noise (frontal presentation) and plugged without noise. The IBS is an electrophysiological measurement device that measures postural control at the product level (e.g., stability, weight distribution) and the mechanisms of postural subsystems at the process level based on frequency-oriented fast-Fourier analysis of force-time relation. RESULTS At the process level, we found a relevant reduction (ηp2 ≥ 0.10) of postural regulation with noise in the frequency bands F1 (visual and nigrostriatal system ηp2 = 0.122) and F2-4 (peripheral vestibular system ηp2 = 0.125). At the product level, the weight distribution index (WDI) parameter showed a relevant increase with noise (ηp2 = 0.159). No difference between the auditory conditions was found for postural stability (parameter: stability indicator, ST). Substantial interindividual variations in the subjective estimation of the influence of auditory inputs on stability were observed. CONCLUSION In this study, a shift in the activity of postural subsystems was observed with auditory input, while no difference was seen in ST. This leads to new insights into mechanisms of audiovestibular interaction.
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Vestibular Function Modulates the Benefit of Hearing Aids in People With Hearing Loss During Static Postural Control. Ear Hear 2019; 40:1418-1424. [DOI: 10.1097/aud.0000000000000720] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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White O, Babič J, Trenado C, Johannsen L, Goswami N. The Promise of Stochastic Resonance in Falls Prevention. Front Physiol 2019; 9:1865. [PMID: 30745883 PMCID: PMC6360177 DOI: 10.3389/fphys.2018.01865] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 12/11/2018] [Indexed: 12/13/2022] Open
Abstract
Multisensory integration is essential for maintenance of motor and cognitive abilities, thereby ensuring normal function and personal autonomy. Balance control is challenged during senescence or in motor disorders, leading to potential falls. Increased uncertainty in sensory signals is caused by a number of factors including noise, defined as a random and persistent disturbance that reduces the clarity of information. Counter-intuitively, noise can be beneficial in some conditions. Stochastic resonance is a mechanism whereby a particular level of noise actually enhances the response of non-linear systems to weak sensory signals. Here we review the effects of stochastic resonance on sensory modalities and systems directly involved in balance control. We highlight its potential for improving sensorimotor performance as well as cognitive and autonomic functions. These promising results demonstrate that stochastic resonance represents a flexible and non-invasive technique that can be applied to different modalities simultaneously. Finally we point out its benefits for a variety of scenarios including in ambulant elderly, skilled movements, sports and to patients with sensorimotor or autonomic dysfunctions.
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Affiliation(s)
- Olivier White
- INSERM UMR1093-CAPS, Université Bourgogne Franche-Comté, UFR des Sciences du Sport, Dijon, France.,Acquired Brain Injury Rehabilitation, Faculty of Medicine and Health Sciences, School of Health Sciences, University of East Anglia, Norwich Research Park, Norwich, United Kingdom
| | - Jan Babič
- Laboratory for Neuromechanics and Biorobotics, Jožef Stefan Institute, Ljubljana, Slovenia
| | - Carlos Trenado
- Leibniz Research Centre for Working Environment and Human Factors TU Dortmund (ifADO), Institute of Clinical Neuroscience and Medical Psychology, University Hospital Düsseldorf, Düsseldorf, Germany
| | - Leif Johannsen
- Acquired Brain Injury Rehabilitation, Faculty of Medicine and Health Sciences, School of Health Sciences, University of East Anglia, Norwich Research Park, Norwich, United Kingdom
| | - Nandu Goswami
- Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Medical University of Graz, Graz, Austria
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28
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Campos J, Ramkhalawansingh R, Pichora-Fuller MK. Hearing, self-motion perception, mobility, and aging. Hear Res 2018; 369:42-55. [DOI: 10.1016/j.heares.2018.03.025] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Revised: 02/20/2018] [Accepted: 03/29/2018] [Indexed: 11/30/2022]
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Seiwerth I, Jonen J, Rahne T, Schwesig R, Lauenroth A, Hullar TE, Plontke SK. Influence of hearing on vestibulospinal control in healthy subjects. HNO 2018; 66:49-55. [PMID: 30022257 DOI: 10.1007/s00106-018-0520-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Balance control is based on multisensory interaction. In addition to vestibular, proprioceptive and visual information, it seems that auditory input also plays an important role. OBJECTIVES The aim of the study was to investigate the effect of hearing on vestibulospinal coordination and to obtain deeper knowledge about mechanisms of audiovestibular interaction. MATERIALS AND METHODS In normal hearing, healthy subjects who performed the Unterberger (Fukuda) stepping test with and without frontal presentation of noise, the distance of displacement, the angle of displacement and the angle of rotation were measured by means of ultrasound based cranio-corpo-graphy (CCG). Additionally, subjective estimation of the effect of auditory input was compared to objective test results. RESULTS In the noise condition, there was a significant improvement in the distance of displacement (mean with noise 66.9 cm± 33.5 standard deviation, SD, mean without noise 77.0 cm±32.7 SD, p< 0.001) and in the angle of rotation (mean with noise 14.2°± 10.1 SD, mean without noise 28.3°± 20.2 SD, p< 0.001), while no difference was found within the conditions regarding the angle of displacement (mean with noise 29.1°± 33.5 SD, mean without noise 30.0°± 34.0 SD, p= 0.641). Side-specific analysis revealed a positive correlation between angle of displacement and angle of rotation in the condition without noise (Spearman r = 0.441, p< 0.001). The rate of agreement between subjective estimation of noise influence and objective test results ranged between only 43% and 63%, depending on the question and endpoint. CONCLUSION Hearing had a clearly beneficial effect of auditory inputs on vestibulospinal coordination, especially for distance of displacement and angle of rotation.
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Affiliation(s)
- I Seiwerth
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Halle (Saale), Martin Luther University Halle-Wittenberg, Ernst-Grube-Str. 40, 06120, Halle (Saale), Germany.
| | - J Jonen
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Halle (Saale), Martin Luther University Halle-Wittenberg, Ernst-Grube-Str. 40, 06120, Halle (Saale), Germany
| | - T Rahne
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Halle (Saale), Martin Luther University Halle-Wittenberg, Ernst-Grube-Str. 40, 06120, Halle (Saale), Germany
| | - R Schwesig
- Department of Orthopedic and Trauma Surgery, University Hospital Halle (Saale), Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - A Lauenroth
- Department of Orthopedic and Trauma Surgery, University Hospital Halle (Saale), Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - T E Hullar
- School of Medicine, Department of Otolaryngology-Head and Neck Surgery, Oregon Health & Science University, Portland, OR, USA
| | - S K Plontke
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Halle (Saale), Martin Luther University Halle-Wittenberg, Ernst-Grube-Str. 40, 06120, Halle (Saale), Germany
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Hannant P, Cassidy S, Van de Weyer R, Mooncey S. Sensory and motor differences in Autism Spectrum Conditions and developmental coordination disorder in children: A cross-syndrome study. Hum Mov Sci 2018; 58:108-118. [PMID: 29408162 DOI: 10.1016/j.humov.2018.01.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Revised: 01/19/2018] [Accepted: 01/19/2018] [Indexed: 11/18/2022]
Abstract
Recent research has shown that Developmental coordination disorder (DCD) can present with some similar symptomology as Autism Spectrum Conditions (ASC). This paper therefore explored the similarities and differences in coordination and sensory responsivity between DCD and ASC. 77 children took part: 42 (35 male, 7 female) with ASC (ages 7-21: mean age 12.23 years), 26 (19 male, 7 female) with DCD (ages 7-21; mean age 11.07 years) and 9 (2 male, 7 female) with ASC and DCD (ages 8-15; mean age 12.27). All groups completed a battery of validated parent report measures online that included motor coordination (DCDQ), sensory responsivity (SPC-R) and social communication measures (AQ). Results showed no significant differences in coordination, and some significant differences in sensory responsivity between ASC and DCD (increased visual and auditory responsivity and decreased proprioception). Exploratory analysis showed that these differences showed good validity in identifying the diagnosis of ASC and DCD. These results elucidate the underlying causes of motor coordination difficulties in both conditions. Specifically, ASC coordination difficulties appear linked to visual processing impairments, whilst DCD coordination difficulties appear to be linked to spatial processing. This may aid better diagnosis and intervention for these conditions.
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Affiliation(s)
- Penny Hannant
- Centre for Innovative Research Across the Life Course, Coventry University, UK.
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Shayman CS, Mancini M, Weaver TS, King LA, Hullar TE. The contribution of cochlear implants to postural stability. Laryngoscope 2017; 128:1676-1680. [DOI: 10.1002/lary.26994] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 09/22/2017] [Accepted: 10/11/2017] [Indexed: 11/11/2022]
Affiliation(s)
- Corey S. Shayman
- Department of Otolaryngology-Head and Neck Surgery; Oregon Health & Science University; Portland Oregon U.S.A
| | - Martina Mancini
- Department of Neurology; Oregon Health & Science University; Portland Oregon U.S.A
| | - Tyler S. Weaver
- Department of Otolaryngology-Head and Neck Surgery; Oregon Health & Science University; Portland Oregon U.S.A
| | - Laurie A. King
- Department of Neurology; Oregon Health & Science University; Portland Oregon U.S.A
| | - Timothy E. Hullar
- Department of Otolaryngology-Head and Neck Surgery; Oregon Health & Science University; Portland Oregon U.S.A
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Negahban H, Bavarsad Cheshmeh Ali M, Nassadj G. Effect of hearing aids on static balance function in elderly with hearing loss. Gait Posture 2017; 58:126-129. [PMID: 28772132 DOI: 10.1016/j.gaitpost.2017.07.112] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 07/20/2017] [Accepted: 07/23/2017] [Indexed: 02/02/2023]
Abstract
While a few studies have investigated the relationship between hearing acuity and postural control, little is known about the effect of hearing aids on postural stability in elderly with hearing loss. The aim was to compare static balance function between elderly with hearing loss who used hearing aids and those who did not use. The subjects asked to stand with (A) open eyes on rigid surface (force platform), (B) closed eyes on rigid surface, (C) open eyes on a foam pad, and (D) closed eyes on a foam pad. Subjects in the aided group (n=22) were tested with their hearing aids turned on and hearing aids turned off in each experimental condition. Subjects in the unaided group (n=25) were tested under the same experimental conditions as the aided group. Indicators for postural stability were center of pressure (COP) parameters including; mean velocity, standard deviation (SD) velocity in anteroposterior (AP) and mediolateral (ML) directions, and sway area (95% confidence ellipse). The results showed that within open eyes-foam surface condition, there was greater SD velocity in the off-aided than the on-aided and the unaided than the on-aided (p<0.0001 for SD velocity in AP and ML). Also, no significant differences were found between the off-aided and unaided group (p=0.56 and p=0.77 for SD velocity in AP and ML, respectively). Hearing aids improve static balance function by reducing the SD velocity. Clinical implications may include improving hearing inputs in order to increase postural stability in older adults with hearing loss.
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Affiliation(s)
- Hossein Negahban
- Department of Physical Therapy, School of Paramedical Sciences, Mashhad University of Medical Sciences, Mashhad, Iran; Orthopedic Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
| | | | - Gholamhossein Nassadj
- Musculoskeletal Rehabilitation Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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Ross J, Will O, McGann Z, Balasubramaniam R. Auditory white noise reduces age-related fluctuations in balance. Neurosci Lett 2016; 630:216-221. [DOI: 10.1016/j.neulet.2016.07.060] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 07/21/2016] [Accepted: 07/29/2016] [Indexed: 11/15/2022]
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