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https://www.readbyqxmd.com/read/28092659/rem-sleep-selectively-prunes-and-maintains-new-synapses-in-development-and-learning
#1
Wei Li, Lei Ma, Guang Yang, Wen-Biao Gan
The functions and underlying mechanisms of rapid eye movement (REM) sleep remain unclear. Here we show that REM sleep prunes newly formed postsynaptic dendritic spines of layer 5 pyramidal neurons in the mouse motor cortex during development and motor learning. This REM sleep-dependent elimination of new spines facilitates subsequent spine formation during development and when a new motor task is learned, indicating a role for REM sleep in pruning to balance the number of new spines formed over time. Moreover, REM sleep also strengthens and maintains newly formed spines, which are critical for neuronal circuit development and behavioral improvement after learning...
January 16, 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/28092060/parenting-self-efficacy-parent-depression-and-healthy-childhood-behaviors-in-a-low-income-minority-population-a-cross-sectional-analysis
#2
William J Heerman, Julie Lounds Taylor, Kenneth A Wallston, Shari L Barkin
Objectives Childhood obesity prevention and treatment depends, in part, on parents acting as agents of change for their children. Our objective was to measure the associations between parenting self-efficacy, parent depressive symptoms, and preschool child behaviors that support healthy growth. Methods We performed a cross-sectional analysis of baseline data from a randomized controlled trial. Parenting self-efficacy was measured using a 5-item version of the Parenting Sense of Competence (PSOC-5) scale (α= 0...
January 13, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28091977/a-cross-sectional-snapshot-of-sleep-quality-and-quantity-among-us-medical-students
#3
Erin E Ayala, Rani Berry, Jeffrey S Winseman, Hyacinth Rc Mason
OBJECTIVE: Fatigue is a well-known risk factor for mood disturbances, decreased cognitive acuity, and impaired judgment. Sleep research in medical students typically focuses on sleep quantity, but less is known about the quality of a student's sleep. The purpose of this investigation was to examine the subjective sleep quality and quantity of US medical students and to identify differences in sleep characteristics across demographic groups. METHODS: Medical students (N = 860) representing 49 medical colleges completed the Medical Outcomes Study Sleep Scale and a demographic questionnaire between December 2015 and March 2016...
January 13, 2017: Academic Psychiatry
https://www.readbyqxmd.com/read/28090684/predict-pd-an-online-approach-to-prospectively-identify-risk-indicators-of-parkinson-s-disease
#4
Alastair J Noyce, Lea R'Bibo, Luisa Peress, Jonathan P Bestwick, Kerala L Adams-Carr, Niccolo E Mencacci, Christopher H Hawkes, Joseph M Masters, Nicholas Wood, John Hardy, Gavin Giovannoni, Andrew J Lees, Anette Schrag
BACKGROUND: A number of early features can precede the diagnosis of Parkinson's disease (PD). OBJECTIVE: To test an online, evidence-based algorithm to identify risk indicators of PD in the UK population. METHODS: Participants aged 60 to 80 years without PD completed an online survey and keyboard-tapping task annually over 3 years, and underwent smell tests and genotyping for glucocerebrosidase (GBA) and leucine-rich repeat kinase 2 (LRRK2) mutations...
January 16, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28089706/a-sipometer-for-measuring-motivation-to-consume-and-reward-value-of-foods-and-beverages-in-humans-description-and-proof-of-principle
#5
P S Hogenkamp, A Shechter, M-P St-Onge, A Sclafani, H R Kissileff
New methods, derived from animal work, for measuring food reward value, i.e. reinforcing value of food, and motivation (i.e. strength of desire) to consume, in humans are described and validated. A sipping device (sipometer) was developed that permits access to a liquid food or beverage on two reward schedules: continuous reinforcement (CR) and progressively increasing time spent exerting pressure on a straw (PR-schedule). In addition, a pictorial scale showing a cup, from which the 'amount wanted' could be marked was used to pre-test potential consumption...
January 12, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28089558/startle-suppression-after-mild-traumatic-brain-injury-is-associated-with-an-increase-in-pro-inflammatory-cytokines-reactive-gliosis-and-neuronal-loss-in-the-caudal-pontine-reticular-nucleus
#6
Swamini P Sinha, Pelin Avcu, Kevin M Spiegler, Sreeya Komaravolu, Kevin Kim, Tara Cominski, Richard J Servatius, Kevin C H Pang
Mild traumatic brain injury (mTBI) can produce somatic symptoms such as headache, dizziness, fatigue, sleep disturbances and sensorimotor dysfunction. Sensorimotor function can be measured by tests such as the acoustic startle reflex (ASR), an evolutionarily conserved defensive response to a brief yet sharp acoustic stimulus. mTBI produces a long-lasting suppression of ASR in rodents and humans; however, the mechanism of this suppression is unknown. The present study examined whether inflammatory processes in the brainstem (particularly the caudal pontine reticular nucleus, PnC) could account for the suppression of ASR after mTBI, because the PnC is an essential nucleus of the ASR circuit...
January 9, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28089250/pathology-of-behavior-in-pd-what-is-known-and-what-is-not
#7
REVIEW
Kaylena A Ehgoetz Martens, Simon J G Lewis
Abnormal behavior in Parkinson's disease (PD) stems from a complex orchestration of impaired neural networks that result from PD-related neurodegeneration across multiple levels. Typically, cellular and tissue abnormalities generate neurochemical changes and disrupt specific regions of the brain, in turn creating impaired neural circuits and dysfunctional global networks. The objective of this chapter is to provide an overview of the array of pathological changes that have been linked to different behavioral symptoms of PD such as depression, anxiety, apathy, fatigue, impulse control disorders, psychosis, sleep disorders and dementia...
December 29, 2016: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28089108/-knowledge-and-attitudes-of-primary-care-nurses-about-the-management-of-patients-with-insomnia
#8
María Clara Vidal-Thomàs, Beatriz Yañez-Amoros, Isabel Torrens, Elena Torres-Solera, Magdalena Esteva
OBJECTIVE: To describe the knowledge, attitudes, and performance of primary care nurses in the management of patients with insomnia. METHODS: Descriptive study. An online questionnaire was sent to all primary care nurses of the Majorca Primary Care Department between June-July 2014. MEASUREMENTS: sociodemographic variables, professional characteristics, tuition, usual clinical practice in the management of patients with insomnia. RESULTS: 138 nurses answered the questionnaire (47%)...
January 6, 2017: Enfermería Clínica
https://www.readbyqxmd.com/read/28088111/psychometric-evaluation-of-the-generalized-anxiety-disorder-screener-gad-7-based-on-a-large-german-general-population-sample
#9
Andreas Hinz, Annette M Klein, Elmar Brähler, Heide Glaesmer, Tobias Luck, Steffi G Riedel-Heller, Kerstin Wirkner, Anja Hilbert
BACKGROUND: The Generalized Anxiety Disorder Scales GAD-7 and GAD-2 are instruments for the assessment of anxiety. The aims of this study are to test psychometric properties of these questionnaires, to provide normative values, and to investigate associations with sociodemographic factors, quality of life, psychological variables, and behavioral factors. METHODS: A German community sample (n=9721) with an age range of 18-80 years was surveyed using the GAD-7 and several other questionnaires...
December 18, 2016: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28079611/it-is-just-attention-deficit-hyperactivity-disorder%C3%A2-or-is-it
#10
Dana C Won, Christian Guilleminault, Peter J Koltai, Stacey D Quo, Martin T Stein, Irene M Loe
Carly is a 5-year-old girl who presents for an interdisciplinary evaluation due to behaviors at school and home suggestive of attention-deficit hyperactivity disorder (ADHD). Parent report of preschool teacher concerns was consistent with ADHD. Psychological testing showed verbal, visual-spatial, and fluid reasoning IQ scores in the average range; processing speed and working memory were below average. Carly's behavior improved when her mother left the room, and she was attentive during testing with a psychologist...
January 10, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28075519/an-update-of-management-of-insomnia-in-patients-with-chronic-orofacial-pain
#11
REVIEW
Galit Almoznino, Yaron Haviv, Yair Sharav, Rafael Benoliel
In this review we discuss the management of chronic orofacial pain (COFP) patients with insomnia. Diagnostic work-up and follow-up routines of COFP patients should include assessment of sleep problems. Management is based on a multidisciplinary approach, addressing the factors that modulate the pain experience as well as insomnia and including both non-pharmacological and pharmacological modalities. Parallel to treatment, patients should receive therapy for co-morbid medical and psychiatric disorders, and possible substance abuse that may be that may trigger or worsen the COFP and/or their insomnia...
January 11, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28075425/management-of-fibromyalgia-practical-guides-from-recent-evidence-based-guidelines
#12
Winfried Häuser, Jacob Ablin, Serge Perrot, Mary-Ann Fitzcharles
Fibromyalgia (FM) is a prevalent and costly condition worldwide, affecting approximately 2% of the general population. Recent evidence- and consensus-based guidelines from Canada, Germany, Israel and the European League Against Rheumatism aim to support physicians in achieving a comprehensive diagnostic work-up of patients with chronic widespread pain (CWP) and to assist patients and physicians in shared decision making on treament options. Every patient with CWP requires at the first medical evaluation a complete history, medical examination and some laboratory tests (complete blood count, C-reactive protein, serum calcium, creatine phosphokinase, thyroid stimulating hormone, 25-OH vitamin D) to screen for metabolic or inflammatory causes of CWP...
January 4, 2017: Polskie Archiwum Medycyny Wewnętrznej
https://www.readbyqxmd.com/read/28073739/the-associations-among-individual-factors-ehealth-literacy-and-health-promoting-lifestyles-among-college-students
#13
Shu-Ching Yang, Yi-Fang Luo, Chia-Hsun Chiang
BACKGROUND: eHealth literacy is gaining importance for maintaining and promoting health. Studies have found that individuals with high eHealth literacy are more likely to adopt healthy eating, exercise, and sleep behaviors. In addition, previous studies have shown that various individual factors (eg, frequency of seeking information on health issues, degree of health concern, frequency of eating organic food, and students' college major) are associated with eHealth literacy and health-promoting lifestyles...
January 10, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28072817/drosophila-clock-is-required-in-brain-pacemaker-neurons-to-prevent-premature-locomotor-aging-independently-of-its-circadian-function
#14
Alexandra Vaccaro, Abdul-Raouf Issa, Laurent Seugnet, Serge Birman, André Klarsfeld
Circadian clocks control many self-sustained rhythms in physiology and behavior with approximately 24-hour periodicity. In many organisms, oxidative stress and aging negatively impact the circadian system and sleep. Conversely, loss of the clock decreases resistance to oxidative stress, and may reduce lifespan and speed up brain aging and neurodegeneration. Here we examined the effects of clock disruptions on locomotor aging and longevity in Drosophila. We found that lifespan was similarly reduced in three arrhythmic mutants (ClkAR, cyc0 and tim0) and in wild-type flies under constant light, which stops the clock...
January 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28067547/barriers-and-enablers-to-modifying-sleep-behavior-in-adolescents-and-young-adults-a-qualitative-investigation
#15
Jessica L Paterson, Amy C Reynolds, Mitch Duncan, Corneel Vandelanotte, Sally A Ferguson
OBJECTIVE: Many young adults obtain less than the recommended sleep duration for healthy and safe functioning. Behavior change interventions have had only moderate success in increasing sleep duration for this cohort. This may be because the way young adults think about sleep, including their willingness and ability to change sleep behavior, is unknown. The purpose of the present study was to determine what changes, if any, young adults are willing to make to their sleep behavior, and to identify factors that may enable or prevent these changes...
January 9, 2017: Behavioral Sleep Medicine
https://www.readbyqxmd.com/read/28066802/development-and-psychometric-evaluation-of-the-children-s-sleep-wake-scale
#16
Monique K LeBourgeois, John R Harsh
OBJECTIVE: To describe the development and psychometric evaluation of the Children's Sleep-Wake Scale (CSWS), a caregiver-report measure of behavioral sleep quality in 2- to 8-year-old children. DESIGN: Five studies using independent samples were completed to generate, refine, and finalize the item pool, as well as to confirm the factor structure and to assess the reliability and validity of the CSWS. SETTING: Field. MEASURES: CSWS, sleep diary, and actigraphy...
September 2016: Sleep Health
https://www.readbyqxmd.com/read/28066138/potentiation-of-decursinol-angelate-on-pentobarbital-induced-sleeping-behaviors-via-the-activation-of-gabaa-ergic-systems-in-rodents
#17
Jae Hoon Woo, Tae-Woo Ha, Jae-Seon Kang, Jin Tae Hong, Ki-Wan Oh
Angelicae Gigantis Radix (AGR, Angelica gigas) has been used for a long time as a traditional folk medicine in Korea and oriental countries. Decursinol angelate (DCA) is structurally isomeric decursin, one of the major components of AGR. This study was performed to confirm whether DCA augments pentobarbital-induced sleeping behaviors via the activation of GABAA-ergic systems in animals. Oral administration of DCA (10, 25 and 50 mg/kg) markedly suppressed spontaneous locomotor activity. DCA also prolonged sleeping time, and decreased the sleep latency by pentobarbital (42 mg/kg), in a dose-dependent manner, similar to muscimol, both at the hypnotic (42 mg/kg) and sub-hypnotic (28 mg/kg) dosages...
January 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/28064525/healthy-children-strong-families-2-a-randomized-controlled-trial-of-a-healthy-lifestyle-intervention-for-american-indian-families-designed-using-community-based-approaches
#18
Emily J Tomayko, Ronald J Prince, Kate A Cronin, Tassy Parker, Kyungmann Kim, Vernon M Grant, Judith N Sheche, Alexandra K Adams
Background/Aims Few obesity prevention trials have focused on young children and their families in the home environment, particularly in underserved communities. Healthy Children, Strong Families 2 is a randomized controlled trial of a healthy lifestyle intervention for American Indian children and their families, a group at very high risk of obesity. The study design resulted from our long-standing engagement with American Indian communities, and few collaborations of this type resulting in the development and implementation of a randomized clinical trial have been described...
January 1, 2017: Clinical Trials: Journal of the Society for Clinical Trials
https://www.readbyqxmd.com/read/28060930/beyond-emotional-and-spatial-processes-cognitive-dysfunction-in-a-depressive-phenotype-produced-by-long-photoperiod-exposure
#19
Abigail K Barnes, Summer B Smith, Subimal Datta
Cognitive dysfunction in depression has recently been given more attention and legitimacy as a core symptom of the disorder. However, animal investigations of depression-related cognitive deficits have generally focused on emotional or spatial memory processing. Additionally, the relationship between the cognitive and affective disturbances that are present in depression remains obscure. Interestingly, sleep disruption is one aspect of depression that can be related both to cognition and affect, and may serve as a link between the two...
2017: PloS One
https://www.readbyqxmd.com/read/28058505/a-randomized-controlled-trial-effects-of-a-prenatal-depression-intervention-on-perinatal-outcomes-among-chinese-high-risk-pregnant-women-with-medically-defined-complications
#20
Ying Zhao, Michelle L Munro-Kramer, Shenxun Shi, Jing Wang, Jianfeng Luo
: Prenatal psychosocial health has been linked with health behaviors, maternal health, and birth outcomes. This randomized controlled trial evaluated the effects of a prenatal depression intervention on birth outcomes and maternal physical and psychological status at 42 days postpartum. Three hundred fifty-two high-risk pregnant women exposed to obstetric complications with an Edinburgh Postnatal Depression Scale (EPDS) ≥ 9 or a Postpartum Depression Screening Scale (PDSS) ≥ 60 were randomly assigned to the intervention group (n = 176) and control group (n = 176)...
January 5, 2017: Archives of Women's Mental Health
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