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Christin Lang, Serge Brand, Edith Holsboer-Trachsler, Uwe Pühse, Flora Colledge, Markus Gerber
Research shows that dysfunctional sleep-related cognitions play an important role in the development, maintenance and exacerbation of insomnia. This study examines the factorial validity, psychometric properties and both concurrent and predictive validity of the German version of the 16-item DBAS (dysfunctional beliefs and attitudes about sleep) scale. Data was collected in 864 vocational students from the German-speaking part of Switzerland (43% females, M age = 17.9 years). Data collection took place twice within a 10-month interval...
March 20, 2017: Neurological Sciences
Carounanidy Usha, Sathyanarayanan Ramarao, Bindu Meera John, Praveen Rajesh, S Swatha
INTRODUCTION: Bonding of composite resin to dentin mandates a wet substrate whereas, enamel should be dry. This may not be easily achievable in intracoronal preparations where enamel and dentin are closely placed to each other. Therefore, Dentin Bonding Agents (DBA) are recommended for enamel and dentinal bonding, where enamel is also left moist. A research question was raised if the "enamel-only" preparations will also benefit from wet enamel bonding and contemporary DBA. AIM: The aim of this study was to compare the shear bond strengths of composite resin, bonded to dry and wet enamel using fifth generation DBA (etch and rinse system) containing various solvents such as ethanol/water, acetone and ethanol...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
H Vanhuffel, M Rey, I Lambert, D Da Fonseca, F Bat-Pitault
INTRODUCTION: Insomnia is considered to be a serious public health issue affecting approximately 10% of adults. Chronic insomnia may increase the risk of health problem, psychological vulnerability and proneness to accidents. Cognitive behavioral therapy for insomnia (CBT-I) is recommended as the first line of treatment. Even though CBT-I is widely considered as an effective therapy, 20 to 30% of patients do not respond to this treatment. Mindfulness therapy, known to reduce rumination and stress, could be an interesting complement to enhance CBT-I...
February 14, 2017: L'Encéphale
Kohei Iritani, Kazukuni Tahara, Steven De Feyter, Yoshito Tobe
Host-guest chemistry in two-dimensional space, that is physisorbed monolayers of a single atom or a single molecular thickness on surfaces, has become a subject of intense current interest because of perspectives for various applications in molecular-scale electronics, selective sensors, and tailored catalysis. Scanning tunneling microscopy, with which we can visualize molecules in actual space, has been used as a powerful tool. For more than a decade, we have been investigating the self-assembly of a series of triangle-shaped molecules with a phenylene-ethynylene macrocycle, called dehydrobenzo[12]annulenes (DBAs), substituted by six flexible alkyl chains, forming hexagonal porous 2D molecular networks via van der Waals interactions between interdigitated alkyl chains at the interface of organic solvent and graphite...
February 16, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
Hong Gong, Chen-Xu Ni, Yun-Zi Liu, Yi Zhang, Wen-Jun Su, Yong-Jie Lian, Wei Peng, Chun-Lei Jiang
BACKGROUND: Insomnia is a widespread and debilitating condition that affects sleep quality and daily productivity. Although mindfulness meditation (MM) has been suggested as a potentially effective supplement to medical treatment for insomnia, no comprehensively quantitative research has been conducted in this field. Therefore, we performed a meta-analysis on the findings of related randomized controlled trials (RCTs) to evaluate the effects of MM on insomnia. METHODS: Related publications in PubMed, EMBASE, the Cochrane Library and PsycINFO were searched up to July 2015...
October 2016: Journal of Psychosomatic Research
Jihui Wang, Qinling Wei, Xiaoli Wu, Zhiyong Zhong, Guanying Li
OBJECTIVE: To evaluate the efficacy of brief behavioral treatment for insomnia (BBTI) in treating patients with treatment-resistant insomnia. METHODS: Seventy-nine adults with treatment-resistant insomnia were randomly assigned to receive either individualized BBTI (delivered in two in-person sessions and two telephone "booster" sessions, n=40) or sleep hygiene education (n=39). The primary outcome was subjective (sleep diary) measures of self-report symptoms and questionnaire measures of Pittsburgh sleep quality index (PSQI), insomnia severity index (ISI), Epworth sleeping scale (ESS), and dysfunctional beliefs and attitudes about sleep scale (DBAS)...
2016: Neuropsychiatric Disease and Treatment
Esther F Afolalu, Corran Moore, Fatanah Ramlee, Claire E Goodchild, Nicole K Y Tang
STUDY OBJECTIVES: Dysfunctional beliefs and attitudes about sleep is a cognitive-behavioral factor central to the development and perpetuation of insomnia. Previous works to unravel the complex interrelationship between pain and insomnia have not explored the role of inflexible beliefs about the sleep-pain interaction, possibly due to a lack of a valid instrument for doing so. The current study evaluated the psychometric and functional properties of a 10-item Pain-Related Beliefs and Attitudes about Sleep (PBAS) scale...
September 15, 2016: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
Tommy H Ng, Ka-Fai Chung, Ting-Kin Ng, Chit-Tat Lee, Man-Sum Chan
OBJECTIVES: Sleep-wake disturbances, such as sleep irregularity, are common in bipolar disorder. Early studies suggest that sleep irregularity is associated with mood symptoms in bipolar disorder, but little research has been conducted to identify other correlates of sleep irregularity. We investigated the relationship between sleep irregularity and sleep quality, social rhythms, eveningness, sleep-related cognitions and behaviors, and past and future mood episodes in 84 patients with inter-episode bipolar I or II disorder...
August 2016: Comprehensive Psychiatry
L Bergdahl, J-E Broman, A H Berman, K Haglund, L von Knorring, A Markström
Objective. The most effective nonpharmacological treatment for insomnia disorder is cognitive behavioural therapy-insomnia (CBT-i). However CBT-i may not suit everyone. Auricular acupuncture (AA) is a complementary treatment. Studies show that it may alleviate insomnia symptoms. The aim of this randomised controlled study was to compare treatment effects of AA with CBT-i and evaluate symptoms of insomnia severity, anxiety, and depression. Method. Fifty-nine participants, mean age 60.5 years (SD 9.4), with insomnia disorder were randomised to group treatment with AA or CBT-i...
2016: Sleep Disorders
Shoffian Amin Jaafar, Mohd Talib Latif, Intan Suraya Razak, Muhammad Zulhilmi Shaharudin, Md Firoz Khan, Nurul Bahiyah Abd Wahid, Suhaimi Suratman
This study determined the effect of monsoonal changes on the composition of atmospheric surfactants in coastal areas. The composition of anions (SO4(2-), NO3(-), Cl(-), F(-)) and the major elements (Ca, K, Mg, Na) in aerosols were used to determine the possible sources of surfactants. Surfactant compositions were determined using a colorimetric method as methylene blue active substances (MBAS) and disulphine blue active substances (DBAS). The anion and major element compositions of the aerosol samples were determined by ion chromatography (IC) and inductively coupled plasma mass spectrometry (ICP-MS), respectively...
August 15, 2016: Marine Pollution Bulletin
Laura Palagini, Ugo Faraguna, Mauro Mauri, Alessia Gronchi, Charles M Morin, Dieter Riemann
OBJECTIVE: Stress-related sleep reactivity, sleep-related cognitions, and psychological factors play an important role in insomnia. The aim was to investigate their possible association in Insomnia Disorder, insomnia subgroups, and healthy subjects. METHODS: The cross-sectional study consisted of 93 subjects who met diagnostic criteria for Insomnia Disorder according to Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5) and of 30 healthy subjects...
March 2016: Sleep Medicine
Carole Fureix, Michael Walker, Laura Harper, Kathryn Reynolds, Amanda Saldivia-Woo, Georgia Mason
Depressive-like forms of waking inactivity have been recently observed in laboratory primates and horses. We tested the hypotheses that being awake but motionless within the home-cage is a depression-like symptom in mice, and that in impoverished housing, it represents an alternative response to stereotypic behaviour. We raised C57BL/6 ('C57') and DBA/2 ('DBA') females to adulthood in non-enriched (n=62 mice) or enriched (n=60 mice) cages, observing home-cage behaviour during the active (dark) phases. We predicted that being still but awake would be reduced by environmental enrichment; more pronounced in C57s, as the strain most prone to learned helplessness; negatively related to stereotypic behaviour; and positively related to immobility in Forced Swim Tests (FST)...
May 15, 2016: Behavioural Brain Research
Ka-Fai Chung, Fiona Yan-Yee Ho, Wing-Fai Yeung
STUDY OBJECTIVES: The different versions of the Dysfunctional Beliefs and Attitudes about Sleep Scale (DBAS) have limited comparison and summary of the findings across studies. We aimed to examine which version and which subscales had better psychometric properties. METHODS: Data were derived from a randomized controlled trial of internet-based cognitive-behavioral therapy for insomnia (CBT-I) vs. waitlist in 312 participants with self-report diagnosis of insomnia disorder...
June 15, 2016: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
Tsunao Kishida, Akika Ejima, Kenta Yamamoto, Seiji Tanaka, Toshiro Yamamoto, Osam Mazda
Brown adipocytes (BAs) play important roles in body temperature regulation, energy balance, and carbohydrate and lipid metabolism. Activities of BAs are remarkably diminished in obese and diabetic patients, providing possibilities of transplanting functional BAs resulting in therapeutic benefit. Here, we show generation of functional BAs by cellular reprogramming procedures. Transduction of the PRDM16 gene into iPSC-derived embryoid bodies induced BA phenotypes (iBAs). Moreover, normal human fibroblasts were directly converted into BAs (dBAs) by C/EBP-β and C-MYC gene transduction...
October 13, 2015: Stem Cell Reports
Hui-Min Hsu, Kuei-Ru Chou, Kuan-Chia Lin, Kuan-Yu Chen, Shu-Fang Su, Min-Huey Chung
OBJECTIVE: We evaluated the effects of cognitive behavioral therapy for insomnia (CBT-I) in inpatients with a diagnosis of depression and comorbid insomnia. METHOD: This study used a prospective, parallel-group design. The experimental group received CBT-I for no more than 90 min once weekly for 6 weeks and the control group only have health education manuals for insomnia. The following questionnaires were administered at baseline: the Hamilton Rating Scale for Depression (HAM-D), Dysfunctional Beliefs and Attitudes about Sleep (DBAS), Presleep Arousal Scale (PSAS), Sleep Hygiene Practice (SHP), and Pittsburgh Sleep Quality Index...
October 2015: Behaviour Research and Therapy
Su Jung Choi, Eun Yeon Joo, Young Jun Lee, Seung Bong Hong
OBJECTIVE: Insomnia symptoms are prevalent in subjects with obstructive sleep apnea syndrome (OSA) and are important risk factors for suicidal ideation (SI). However, the significance of SI has not been clearly demonstrated in persons with both OSA and insomnia. We aimed to investigate the prevalence of SI and its relationship with insomnia symptoms, mood, and other relevant factors. METHODS: A total of 117 consecutive subjects with untreated OSA (apnea-hypopnea index ≥5/h) participated in the study...
September 2015: Sleep Medicine
Yun-Jie Huang, Peter Brimblecombe, Chon-Lin Lee, Mohd Talib Latif
Samples of sea-surface microlayer (SML) and sub-surface water (SSW) were collected from two areas-Kaohsiung City (Taiwan) and the southwest coast of Peninsular Malaysia to study the influence of SML on enrichment and distribution and to compare SML with the SSW. Anionic surfactants (MBAS) predominated in this study and were significantly higher in Kaohsiung than in Malaysia. Industrial areas in Kaohsiung were enriched with high loads of anthropogenic sources, accounted for higher surfactant amounts, and pose higher environmental disadvantages than in Malaysia, where pollutants were associated with agricultural activities...
August 15, 2015: Marine Pollution Bulletin
P R Pradeep, Kiran J Kasti, S Ananthakrishna, T N Raghu, R Vikram
BACKGROUND: Regardless of the technique and the material used, the goal of obturation remained the same that is to seal every portal of exit in the root canal system. It's not only the apical openings that need to be sealed but also lateral openings, coronal access opening and perforations if they exist failure of the adhesive root canal sealer has led to the idea of usage of dentin bonding agents (DBAs) in endodontics, to make a three dimensional seal. In our study, we used traditional gutta-percha, time tested epoxy resin and DBA to make the root canal leak proof...
May 2015: Journal of International Oral Health: JIOH
Bor-Shiunn Lee, Yih-Dean Jan, Guo-Shiang Huang, Chien-Hsun Huang, Han-Yi Chou, Juo-Song Wang, Wan-Yu Tseng
BACKGROUND/PURPOSE: Dentin bonding agents (DBAs) are cytotoxic to dental pulp cells. This study aimed to evaluate the effects of three DBAs (Optibond Solo Plus, Op; Clearfil SE Bond, SE; and Xeno III, Xe) after diffusion through 0.2-mm or 0.5-mm dentin slices on reactive oxygen species (ROS) production and apoptosis in dental pulp cells. METHODS: The amounts of DBAs diffusing through 0.2-mm or 0.5-mm dentin slices were quantified using a UV-Vis spectrophotometer...
April 2015: Journal of the Formosan Medical Association, Taiwan Yi Zhi
Tatjana Crönlein, Stefanie Wagner, Berthold Langguth, Peter Geisler, Peter Eichhammer, Thomas C Wetter
OBJECTIVE: Dysfunctional thinking about sleep is a central aspect in the perpetuation of primary insomnia and a target symptom of cognitive behavioral therapy for insomnia (CBT-I). Insomnia symptoms also occur in other sleep disorders, but it is not known to what extent it is related to dysfunctional thinking about sleep. METHODS: The Dysfunctional Beliefs and Attitudes about Sleep Scale (DBAS) was administered to inpatients at a sleep center. The following groups were included: 34 patients with primary insomnia (PI), 30 patients with sleep apnea syndrome (SAS), 31 patients with restless legs syndrome (RLS), 26 patients with SAS comorbid with RLS (SAS + RLS), and 24 patients with idiopathic hypersomnia or narcolepsy...
December 2014: Sleep Medicine
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