scholarly journals O034 Rockabye sailor: investigating the impact of simulated motion on sleep and cognitive performance

2021 ◽  
Vol 2 (Supplement_1) ◽  
pp. A15-A16
Author(s):  
R Matthews ◽  
F Fraysse ◽  
N Daniell ◽  
P Schumacher ◽  
S Banks
Keyword(s):  
Sleep Quality ◽  
Cognitive Performance ◽  
Repeated Measures ◽  
Sleep Time ◽  
Motion Platform ◽  
Subjective Sleep Quality ◽  
Psychomotor Vigilance Test ◽  
Repeated Measures Design ◽  
Foot Motion ◽  
The Impact

Abstract Background Many naval vessels are designed with sleeping berths orientated in a fore/aft direction. Reorientating the berths changes the rocking from side-to-side to head-to-foot. It is unknown what effect rocking orientation may have on sleep. Aim This study aimed to investigate the impact of a simulated fore/aft orientation (side-to-side motion) with a simulated athwartships berth orientation (head-to-foot motion), on sleep quality and quantity, and cognitive performance. Method 21 participants (13M/8F; 24.0±4.8 years; BMI 21.1±2.5) slept in berths on a motion platform replicating vessel motion. In a repeated measures design, each participant slept under three conditions in randomised order: 1) no motion, 2) fore/aft orientation (side-to-side motion), and 3) athwartships orientation (head-to-foot motion). Measurements of sleep (ambulatory polysomnography), sleepiness (Karolinska Sleepiness Scale: KSS), and vigilance (Psychomotor Vigilance Test: PVT) were analysed using Mixed Effects ANOVA. Results Participants’ total sleep time was shorter (p<0.001), sleep efficiency was reduced (p<0.001), they woke more frequently (p<0.001), and their sleep contained less REM (p<0.001) in the athwartships orientation (head-to-foot motion) compared to the no motion, and fore/aft orientation (side-to-side motion) conditions. Participants’ also reported significantly higher sleepiness on KSS (p=0.006), poorer subjective sleep quality (p<0.001), and displayed worse vigilant attention on PVT (p=0.03) following the athwartships orientation compared to the two other conditions. Discussion The simulated athwartships bunk orientation (head-to-foot motion) negatively impacted sleep and cognitive performance. These results may have implications for crew wellbeing. The data also gives unique theoretical insight into the effects of different types of rhythmic movement on sleep. Funding DSTG

scholarly journals The anti-snoring bed - a pilot study

2020 ◽  
Vol 4 (1) ◽  
Author(s):  
Elisabeth Wilhelm ◽  
Francesco Crivelli ◽  
Nicolas Gerig ◽  
Malcolm Kohler ◽  
Robert Riener
Keyword(s):  
Sleep Quality ◽  
Inclination Angle ◽  
Repeated Measures ◽  
Index Number ◽  
Subjective Sleep Quality ◽  
Sleeping Position ◽  
Subjective Sleep ◽  
Repeated Measures Design ◽  
Link Type ◽  
Time In Bed

Abstract Purpose Avoiding supine position can reduce snoring in most habitual snorers. However, devices that restrict the sleeping position cause discomfort or disrupt sleep resulting in low compliance. Therefore, mechanisms, which lift the trunk of the user without disturbing sleep, have been proposed. We present the first study, which investigates whether individual interventions provided by beds with lifting mechanisms are able to stop snoring (success rate) and whether they reduce the snoring index (number of total snores divided by total time in bed) using a repeated measures design. In addition, we investigated whether the intervention is interfering with the subjective sleep quality. Methods Twenty-two subjects were observed for four nights (adaptation, baseline, and two intervention nights). During intervention nights, the bed lifted the trunk of the user in closed-loop manner. Subjects were divided in three groups (non-snorer, snorer one, and snorer two). Non-snorers were lifted by the bed at random time points during the night. In group snorer one, a stepwise increase of the bed inclination was compared with going directly to a randomly selected angle. In group snorer two, the influence of a small inclination angle (10 ∘) and a big inclination angle (20 ∘) was compared. Results Snoring was stopped successfully in 22% (small angle) and 67% (big angle) of the interventions. This did not lead to a significant reduction in the snoring index. The subjective sleep quality was not reduced by the intervention. Conclusion The anti-snoring bed is able to stop individual episodes of habitual snoring without reducing the subjective sleep quality. Trial Registration https://clinicaltrials.gov, no. NCT04053738, registered 12 August 2019 - Retrospectively registered, https://clinicaltrials.gov/ct2/show/NCT04053738.

Impact of Treatment for Nasal Cavity Disorders on Sleep Quality: Systematic Review and Meta-analysis

2021 ◽  
pp. 019459982110295
Author(s):  
Jacob Fried ◽  
Erick Yuen ◽  
Kathy Zhang ◽  
Andraia Li ◽  
Nicholas R. Rowan ◽  
...  
Keyword(s):  
Systematic Review ◽  
Sleep Quality ◽  
Nasal Obstruction ◽  
Meta Analysis ◽  
Mean Difference ◽  
Cochrane Library ◽  
Life Questionnaire ◽  
Subjective Sleep Quality ◽  
Subjective Sleep ◽  
The Impact

Objective To determine the impact of treatment for patients with nasal obstruction secondary to allergic rhinitis (AR) and nasal septal deviation (NSD) on sleep quality. Data Sources Primary studies were identified though PubMed, Scopus, Cochrane Library, and Web of Science. Review Methods A systematic review was performed by querying databases for articles published through August 2020. Studies were included that reported on objective sleep parameters (apnea-hypopnea index) and sinonasal and sleep-specific patient-reported outcome measures: Rhinoconjunctivitis Quality of Life Questionnaire, Nasal Obstruction Symptom Evaluation, Epworth Sleepiness Scale (EpSS), and Pittsburgh Sleep Quality Index (PSQI). Results The database search yielded 1414 unique articles, of which 28 AR and 7 NSD studies were utilized for meta-analysis. A total of 9037 patients (8515 with AR, 522 with NSD) were identified with a mean age of 35.0 years (35.3 for AR, 34.0 for NSD). Treatment for AR and NSD significantly improved subjective sleep quality. For AR, the EpSS mean difference was −1.5 (95% CI, –2.4 to –0.5; P = .002) and for the PSQI, –1.7 (95% CI, –2.1 to –1.2; P < .00001). For NSD, the EpSS mean difference was −3.2 (95% CI, –4.2 to –2.2; P < .00001) and for the PSQI, –3.4 (95% CI, –6.1 to –0.6; P = .02). Conclusion Subjective sleep quality significantly improved following treatment for AR and NSD. There were insufficient data to demonstrate that objective metrics of sleep quality similarly improved.

scholarly journals The Magic of Music for Improving Psychological Health for Those With Dementia and Their Caregivers

2020 ◽  
Vol 4 (Supplement_1) ◽  
pp. 830-830
Author(s):  
Stuart MacDonald ◽  
Debra Sheets ◽  
Andre Smith
Keyword(s):  
Psychological Health ◽  
Repeated Measures ◽  
Social Cognitive ◽  
Cognitive Intervention ◽  
Pharmacological Intervention ◽  
Neural Activation ◽  
Psychological Function ◽  
Post Intervention ◽  
Repeated Measures Design ◽  
The Impact

Abstract Arts-based interventions for person’s with dementia and their caregivers represent an inexpensive, non-invasive, and non-pharmacological intervention with the potential to improve psychological function as well as reduce healthcare costs. The paper presents an overview of Voices in Motion (ViM), and the impact of this social-cognitive intervention on changes in psychological function for those with dementia and their caregivers (current n=26 dyads). Choir rehearsals were held on a weekly basis, and included a social discussion component. A range of outcomes (neuropsychological and physiological function, neural activation) were assessed using an intensive repeated measures design that facilitates both between- and within-person analyses, including nuanced evaluation of whether psychological function improves post intervention relative to an individual’s personal average, yielding a conservative within-person test of the benefits of intervention. Discussion focuses on the promise of such interventions for mitigating dementia symptoms and facilitating the psychological health of caregivers.

scholarly journals Face-to-Face Versus Video Assessment of Facial Paralysis: Implications for Telemedicine (Preprint)

2018 ◽  
Author(s):  
Jian Rong Tan ◽  
Susan Coulson ◽  
Melanie Keep
Keyword(s):  
Excellent Agreement ◽  
Repeated Measures ◽  
Facial Nerve Paralysis ◽  
Nerve Paralysis ◽  
Video Assessment ◽  
Face To Face ◽  
Repeated Measures Design ◽  
Grading Systems ◽  
Sydney System ◽  
The Impact

BACKGROUND Patients with facial nerve paralysis (FNP) experience challenges in accessing health care that could potentially be overcome by telemedicine. However, the reliability of telemedicine has yet to be established in this field. OBJECTIVE This study aimed to investigate the consistency between face-to-face and video assessments of patients with FNP by experienced clinicians. METHODS A repeated-measures design was used. A total of 7 clinicians assessed the FNP of 28 patients in a face-to-face clinic using standardized grading systems (the House-Brackmann, Sydney, and Sunnybrook facial grading systems). After 3 months, the same grading systems were used to assess facial palsy in video recordings of the same patients. RESULTS The House-Brackmann system in video assessment had excellent reliability and agreement (intraclass correlation coefficient [ICC]=0.780; principal component analysis [PCA]=87.5%), similar to face-to-face assessment (ICC=0.686; PCA=79.2%). Reliability of the Sydney system was good to excellent, with excellent agreement face-to-face (ICC=0.633 to 0.834; PCA=81.0%-95.2%). However, video assessment of the cervical branch and synkinesis had fair reliability and good agreement (ICC=0.437 to 0.597; PCA=71.4%), whereas that of other branches had good to excellent reliability and excellent agreement (ICC=0.625 to 0.862; PCA=85.7%-100.0%). Reliability of the Sunnybrook system was poor to fair for resting symmetry (ICC=0.195 to 0.498; PCA=91.3%-100.0%) and synkinesis (ICC=−0.037 to 0.637; PCA=69.6%-87.0%) but was good to excellent for voluntary movement (ICC=0.601 to 0.906; PCA=56.5%-91.3%) in face-to-face and video assessments. Bland-Altman plots indicated normal limits of agreement within ±1 between face-to-face and video-assessed scores only for the temporal and buccal branches of the Sydney system and for resting symmetry in the Sunnybrook system. CONCLUSIONS Video assessment of FNP with the House-Brackmann and Sunnybrook systems was as reliable as face-to-face but with insufficient agreement, especially in the assessment of synkinesis. However, video assessment does not account for the impact of real-time interactions that occur during tele-assessment sessions.

scholarly journals Acetazolamide does not alter endurance exercise performance at 3,500-m altitude

2020 ◽  
Vol 128 (2) ◽  
pp. 390-396 ◽  
Author(s):  
Karleigh E. Bradbury ◽  
Beau R. Yurkevicius ◽  
Katherine M. Mitchell ◽  
Kirsten E. Coffman ◽  
Roy M. Salgado ◽  
...  
Keyword(s):  
Sea Level ◽  
Endurance Exercise ◽  
Exercise Performance ◽  
Repeated Measures ◽  
Acute Mountain Sickness ◽  
Time Trial ◽  
Peak Oxygen Consumption ◽  
Repeated Measures Design ◽  
Hypoxic Environment ◽  
The Impact

Acetazolamide (AZ) is a medication commonly used to prevent acute mountain sickness (AMS) during rapid ascent to high altitude. However, it is unclear whether AZ use impairs exercise performance; previous literature regarding this topic is equivocal. The purpose of this study was to evaluate the impact of AZ on time-trial (TT) performance during a 30-h exposure to hypobaric hypoxia equivalent to 3,500-m altitude. Ten men [sea-level peak oxygen consumption (VO2peak): 50.8 ± 6.5 mL·kg−1·min−1; body fat %: 20.6 ± 5.2%] completed 2 30-h exposures at 3,500 m. In a crossover study design, subjects were given 500 mg/day of either AZ or a placebo. Exercise testing was completed 2 h and 24 h after ascent and consisted of 15-min steady-state treadmill walking at 40%–45% sea-level VO2peak, followed by a 2-mile self-paced treadmill TT. AMS was assessed after ~12 h and 22 h at 3,500 m. The incidence of AMS decreased from 40% with placebo to 0% with AZ. Oxygen saturation was higher ( P < 0.05) in AZ versus placebo trials at the end of the TT after 2 h (85 ± 3% vs. 79 ± 3%) and 24 h (86 ± 3% vs. 81 ± 4%). There was no difference in time to complete 2 miles between AZ and PL after 2 h (20.7 ± 3.2 vs. 22.7 ± 5.0 min, P > 0.05) or 24 h (21.5 ± 3.4 vs. 21.1 ± 2.9 min, P > 0.05) of exposure to altitude. Our results suggest that AZ (500 mg/day) does not negatively impact endurance exercise performance at 3,500 m. NEW & NOTEWORTHY To our knowledge, this is the first study to examine the impact of acetazolamide (500 mg/day) versus placebo on self-paced, peak-effort exercise performance using a short-duration exercise test in a hypobaric hypoxic environment with a repeated-measures design. In the present study, acetazolamide did not impact exercise performance after 2-h or 24-h exposure to 3,500-m simulated altitude.

scholarly journals Effect of acute antagonist static stretching on upper-body agonist power

2019 ◽  
Vol 15 (1) ◽  
pp. 53-59
Author(s):  
Dave Elliott ◽  
Dayne Massey
Keyword(s):  
Repeated Measures ◽  
Effective Means ◽  
Upper Body ◽  
Static Stretching ◽  
Repeated Measures Design ◽  
Significant Difference ◽  
Potential Benefits ◽  
Upper Body Power ◽  
The Impact ◽  
Practical Implications

There are many studies showing acute static stretching to be detrimental to power generation. However, the majority have focused upon the impact of stretching the agonist musculature. To date, few have examined the potential benefits of acute antagonist static stretching; none have focused on upper-body power. Utilising a repeated-measures design, 30 male participants were randomly assigned to one of two groups whereupon they performed four bench-throw tests; two control (NO-STRETCH) and two experimental (STRETCH), in a counter-balanced manner. Prior to the experimental measures, participants undertook a series of static antagonist stretches. Mean Pmax (SD) in the NO-STRETCH trials was 862.76 (146)W and 898.50 (144)W, respectively. For STRETCH trial 1, Pmax = 930.10 (146)W and trial 2, Pmax = 953.36 (136)W. When compared to the respective NO-STRETCH trials, antagonist static stretching did have a significant effect on Pmax for both the initial ( P < 0.01, d = 1.33) and the re-stretching procedures ( P < 0.01, d = 1.35). A significant difference was also found between the STRETCH trials ( P < 0.01, d = 0.46). The results have practical implications for those involved in upper-body power activities. Specifically, incorporating upper-body antagonist static stretching into pre-performance routines might offer a simple and effective means of enhancing agonist power.

Adult protection training for community nurses: evaluating knowledge following delivery using participant-favoured training methods

2014 ◽  
Vol 16 (1) ◽  
pp. 17-28 ◽  
Author(s):  
Martin Campbell
Keyword(s):  
Repeated Measures ◽  
Control Group ◽  
Training Methods ◽  
Content Type ◽  
Repeated Measures Design ◽  
Training Activities ◽  
The Impact ◽  
And Training ◽  
Adult Protection ◽  
Adult Support

Purpose – The purpose of this paper is to measure nurses’ knowledge about Adult Support and Protection (Scotland) Act 2007 before and after a one-day training course using participants’ favoured methods of training activities. Design/methodology/approach – A repeated measures design was used to evaluate the impact of a one-day Adult Support and Protection training on pre-training knowledge of community nurses across one NHS area. Participants’ favoured methods of training activities were used in the training. Participants were community nurses working in learning disability, mental health, older people's services, acute services, substance misuse, and accident and emergency. All completed a training needs analysis and training preferences study. Individual and group scores on an Adult Support and Protection knowledge questionnaire were analysed pre- and post-training. Findings – There was a statistically significant increase in scores post-training (Wilcoxon's signed-ranks test). Individual increases ranged from 2.5 to 27.5 per cent, with a mean score of 15 per cent. Evaluation of the impact of nationally approved Adult Support and Protection training is needed and training should take account of participants’ existing knowledge and preferred methods of training delivery to improve the transfer of learning into practice. Research limitations/implications – Participants were self-selecting. Existing knowledge was not controlled for in the sample. No longitudinal follow up to measure retention of any improvements in knowledge. No control group. Training methods used were based on the expressed preferences of 40 nursing staff, but only 18 of these staff participated in the training day. Originality/value – There is a dearth of research in evaluating the impact of the adult protection training on staff knowledge and understanding. Designing training activities and content to take account of participant preferences, and areas where knowledge is weakest may enhance the effectiveness of training in this area. This research was funded as a Queens Nursing Institute Community Project. It builds on a pilot project

scholarly journals Effectiveness of counselling and psychotherapeutic interventions for people with dementia and their families: a systematic review

2020 ◽  
pp. 1-28 ◽  
Author(s):  
Emily Shoesmith ◽  
Alys Wyn Griffiths ◽  
Cara Sass ◽  
Divine Charura
Keyword(s):  
Systematic Review ◽  
Cognitive Impairment ◽  
Repeated Measures ◽  
Mode Of Delivery ◽  
Research Area ◽  
Repeated Measures Design ◽  
Care Givers ◽  
Psychotherapeutic Interventions ◽  
People With Dementia ◽  
The Impact

Abstract As there is currently no cure for dementia, providing psycho-social support is imperative. Counselling and psychotherapeutic interventions offer a way to provide individualised support for people with dementia and their families. However, to date, there has not been a systematic review examining the research evidence for these interventions. This review aimed to examine the following research questions: (1) Are counselling/psychotherapeutic interventions effective for people with dementia?, (2) Are counselling/psychotherapeutic interventions effective for care-givers of people with dementia? and (3) Which modes of delivery are most effective for people with dementia and care-givers of people with dementia? A systematic literature search was conducted in MEDLINE (via PubMed), PsycINFO and CINAHL in March 2019. Keyword searches were employed with the terms ‘dement*’, ‘counsel*’, ‘psychotherapy’, ‘therap*’, ‘care’ and ‘outcome’, for the years 2000–2019. Thirty-one papers were included in the review, from seven countries. Twenty studies were randomised controlled trials (RCTs) or adopted a quasi-experimental design. The remaining studies were qualitative or single-group repeated-measures design. The review identified variation in the counselling/psychotherapeutic approaches and mode of delivery. Most interventions adopted either a problem-solving or cognitive behavioural therapy approach. Mixed effectiveness was found on various outcomes. The importance of customised modifications for people with dementia was highlighted consistently. Understanding the dyadic relationships between people with dementia and their care-givers is essential to offering effective interventions and guidance for practitioners is needed. Information about the cognitive impairment experienced by participants with dementia was poorly reported and is essential in the development of this research area. Future studies should consider the impact of cognitive impairment in developing guidance for counselling/psychotherapeutic intervention delivery for people with dementia.

scholarly journals Imagery rescripting in non-clinical paranoia: a pilot study of the impact on key cognitive and affective processes

2019 ◽  
Vol 48 (1) ◽  
pp. 54-66 ◽  
Author(s):  
Katherine Newman-Taylor ◽  
Pamela McSherry ◽  
Lusia Stopa
Keyword(s):  
Repeated Measures ◽  
Controlled Trial ◽  
Evidence Base ◽  
Traumatic Memories ◽  
Repeated Measures Design ◽  
Affective Processes ◽  
Imagery Rescripting ◽  
The Impact ◽  
Memory Characteristics

AbstractBackground:Paranoia is often accompanied by distressing intrusions associated with traumatic memories, yet one of the best-evidenced interventions, imagery rescripting (IR), is not routinely offered. This is likely to be due to poor understanding of the effects of IR on postulated mechanisms of change as well as the absence of a robust evidence base.Aims:This study aimed to establish proof of principle that IR impacts key cognitive-affective processes associated with distressing intrusions – memory characteristics and self-representations – and level of paranoia.Method:We used a within-subject repeated measures design to examine the effect of single-session IR on memory characteristics (level of intrusions, vividness, distress, encapsulated belief strength, emotion intensity and frequency), self-representation variables, affect and paranoia. Fifteen participants were seen once before and once after the IR session, to gather baseline and follow-up data.Results:As predicted, participants reported reductions in memory characteristics, improved self-esteem and positive affect, and reduced negative affect and paranoia, with large effect sizes. These effects were maintained at follow-up.Conclusions:While a within-subject design is useful for initial exploration of novel interventions, controlled studies are needed to determine causality. This is the first study to examine mechanisms of IR in paranoia. A controlled trial is now warranted.

Training in positive behavioural support: increasing staff self-efficacy and positive outcome expectations

2016 ◽  
Vol 21 (2) ◽  
pp. 95-102 ◽  
Author(s):  
Greg Stocks ◽  
Sean Slater
Keyword(s):  
Self Efficacy ◽  
Repeated Measures ◽  
Outcome Expectations ◽  
Training Model ◽  
Training Programme ◽  
Positive Outcome ◽  
Content Type ◽  
Repeated Measures Design ◽  
Training Programmes ◽  
The Impact

Purpose – The purpose of this paper is to investigate the impact of a six-and-a-half day, Positive Behaviour Support (PBS) informed training course on staff’s self-efficacy and outcome expectations of managing challenging behaviour (CB). Training programmes for other non-psychology staff were deemed necessary due to the high demand for services and the specialist knowledge held by other professionals or carers. Design/methodology/approach – A repeated measures design was used to capture changes in specific self-efficacy and outcome expectations before and after the training programme. A questionnaire methodology was employed. Findings – Staff self-efficacy and positive outcome expectations increased on all four measured variables following training: understanding of CB, working out the functions of CB, developing and implementing a PBS plan, and managing CB for the benefit of the service user. Research limitations/implications – These findings are considered in light of previous research suggesting an impact on staff practice and burnout. Practical implications – The findings suggest that the training model delivers changes in staff cognition and may be useful in other locations where demand for services is likely to increase in the future. Originality/value – This research considers the impact of a medium length PBS training on staff cognition, evidencing the model’s utility in the current service context.

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