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Chronotype affect

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https://www.readbyqxmd.com/read/28708003/arntl-clock-and-per3-polymorphisms-links-with-chronotype-and-affective-dimensions
#1
Konrad S Jankowski, Monika Dmitrzak-Weglarz
Recently, seven single nucleotide polymorphisms (SNPs) of ARNTL, TIM and PER3 genes were found associated with affective temperaments in bipolar disorder patients. This study aimed to test whether a) the same associations appear in a non-clinical sample; b) the SNPs are related to other affective dimensions; c) the SNPs underpin the associations between chronotype and affective temperaments/dimensions. Three hundred thirty-eight university students completed the Temperament Scale of Memphis, Pisa, Paris and San Diego Auto-questionnaire, the Centre for Epidemiological Studies Depression Scale, the Perceived Stress Scale, the General Health Questionnaire, the Seasonal Pattern Assessment Questionnaire and the Composite Scale of Morningness...
July 14, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28613957/chronotype-preference-matters-for-depression-in-youth
#2
Wen-Hsuan Chiu, Hao-Jan Yang, Po-Hsiu Kuo
Morningness/eveningness (M/E) preference is an important circadian rhythm indicator with strong individual variation. M/E chronotype has been found to be correlated with depression in adults, yet the relationship is less clear in children and adolescents. Additionally, poor sleep quality is another commonly studied risk factor for depression. The aims of the present study are to investigate the independent effects of M/E chronotype on youth depression using both self-report and parental-report questionnaires...
June 14, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28574288/chronotype-and-its-relationship-with-sleep-disorders-in-children-with-attention-deficit-hyperactivity-disorder
#3
Fatma Benk Durmuş, Ayşe Rodopman Arman, Ayşe Burcu Ayaz
Chronotype can be classified as morningness types, people who prefer morning hours for their physical and mental activities; eveningness types, people who prefer the afternoon or evening hours; and intermediate types, those who show characteristics of both morningness and eveningness types. Attention deficit hyperactivity disorder (ADHD) has been linked with disturbances in chronotype, particularly increased eveningness. Despite the possibility of an association between chronotypes, sleep disturbances and ADHD symptoms, there is little evidence of this association considering the child population...
June 2, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28491049/sleep-disturbances-in-phenylketonuria-an-explorative-study-in-men-and-mice
#4
Vibeke M Bruinenberg, Marijke C M Gordijn, Anita MacDonald, Francjan J van Spronsen, Eddy A Van der Zee
Sleep problems have not been directly reported in phenylketonuria (PKU). In PKU, the metabolic pathway of phenylalanine is disrupted, which, among others, causes deficits in the neurotransmitters and sleep modulators dopamine, norepinephrine, and serotonin. Understanding sleep problems in PKU patients may help explain the pathophysiology of brain dysfunction in PKU patients. In this explorative study, we investigated possible sleep problems in adult treated PKU patients and untreated PKU mice. In the PKU patients, sleep characteristics were compared to healthy first degree relatives by assessment of sleep disturbances, sleep-wake patterns, and sleepiness with the help of four questionnaires: Holland sleep disorder questionnaire, Pittsburgh sleep quality index, Epworth sleepiness scale, and Munich Chronotype Questionnaire...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28488895/sleep-quality-chronotype-temperament-and-bipolar-features-as-predictors-of-depressive-symptoms-among-medical-students
#5
Łukasz Mokros, Andrzej Witusik, Julia Michalska, Wojciech Łężak, Michał Panek, Katarzyna Nowakowska-Domagała, Adam Antczak, Tadeusz Pietras
The assessment of risk factors is a crucial step in the prevention and treatment of affective disorders and should encompass personal dispositions. The aim of this study was to assess the value of chronotype and temperament as independent predictors of depressive symptoms among medical students. The study surveyed 140 students of the Faculty of Medicine with a battery of questionnaires: the Beck Depression Index (BDI), Hypomania Checklist 32 (HCL-32), Pittsburgh Sleep Quality Index (PSQI), Chronotype Questionnaire and Eysenck Personality Questionnaire Revised...
May 10, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28463712/the-relationship-between-chronotype-and-depressive-symptoms-a-meta-analysis
#6
REVIEW
Jacky Au, John Reece
BACKGROUND: Expanding our understanding of the factors that influence depression is crucial for prognosis and treatment. In light of increasing evidence of an association between disrupted circadian rhythms and affective symptoms, a meta-analysis was used to examine the relationship between an eveningness chronotype and depression. METHODS: Electronic searches of the PsycINFO, Medline, Scopus, and Google Scholar databases were conducted in February 2016. Relevant reviews, related journals, and reference lists were manually searched...
April 26, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28462736/spanish-adaptation-of-the-morningness-eveningness-stability-scale-improved-messi
#7
Juan F Díaz-Morales, Christoph Randler
The aim of the present study was to conduct the preliminary adaptation of the Morningness-Eveningness-Stability-Scale improved (MESSi) to Spanish population, testing its factor structure and construct validity. Participants were 261 adults (65% women; M = 31.4, SD = 12.01) who filled out measures of Morningness-Eveningness (MESSi and CSM), sleep habits, personality traits, positive and negative affect, and subjective level of alertness during the day. Psychometric results supported a three factorial model with the factors Morning Affect, Eveningness and Distinctness (RMSEA = ...
May 2, 2017: Spanish Journal of Psychology
https://www.readbyqxmd.com/read/28385063/clocking-self-regulation-why-time-of-day-matters-for-health-psychology
#8
Brett M Millar
Various lines of research have identified a number of factors that can impair a person's ability and motivation to exercise self-control, here self-regulation, in the face of a tempting object (e.g., food, sex, alcohol/drugs, smoking). Each of these in situ factors - the availability of the tempting object, one's desire for it, and impaired affective and cognitive functioning (most notably from sleep-related fatigue, daily 'wear and tear', and intoxication) - makes self-regulation more difficult, and even more so when they co-occur...
April 20, 2017: Health Psychology Review
https://www.readbyqxmd.com/read/28378363/impact-of-sleep-inertia-on-visual-selective-attention-for-rare-targets-and-the-influence-of-chronotype
#9
Hannah K Ritchie, Tina M Burke, Tristan B Dear, Andrew W Mchill, John Axelsson, Kenneth P Wright
Sleep inertia is affected by circadian phase, with worse performance upon awakening from sleep during the biological night than biological day. Visual search/selective visual attention performance is known to be sensitive to sleep inertia and circadian phase. Individual differences exist in the circadian timing of habitual wake time, which may contribute to individual differences in sleep inertia. Because later chronotypes awaken at an earlier circadian phase, we hypothesized that later chronotypes would have worse visual search performance during sleep inertia than earlier chronotypes if awakened at habitual wake time...
April 4, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28362229/late-chronotypes-are-associated-with-neoadjuvant-chemotherapy-induced-nausea-and-vomiting-in-women-with-breast-cancer
#10
Kwang-Min Lee, Doo-Young Jung, Heesung Hwang, Won-Hyoung Kim, Joo-Young Lee, Tae-Yong Kim, Seock-Ah Im, Kyung-Hun Lee, David Spiegel, Bong-Jin Hahm
Neoadjuvant chemotherapy, that is, the administration of chemotherapy before surgery, has been commonly used for locally advanced breast cancer to improve the surgical outcomes and increase the opportunity for breast-conserving therapy. Women with breast cancer often receive an anthracycline-based regimen as the neoadjuvant chemotherapy, which is associated with a high risk of emesis. Despite the development of novel antiemetics, chemotherapy-induced nausea and vomiting (CINV) has been commonly reported as a major adverse effect, affecting the quality of life of the patients...
2017: Chronobiology International
https://www.readbyqxmd.com/read/28360934/sleep-disturbances-and-mental-strain-in-university-students-results-from-an-online-survey-in-luxembourg-and-germany
#11
Angelika A Schlarb, Merle Claßen, Julia Grünwald, Claus Vögele
OBJECTIVES: This study examined the prevalence of sleep disturbances and mental strain in students from two European countries, Luxembourg and Germany. METHODS: A total of 2831 students took part in an online survey, with 2777 students from Germany and 184 students from Luxembourg. Sleep disturbances were assessed with the Pittsburgh Sleep Quality Index and the Epworth Sleepiness Scale, and aspects of mental strain using the Patient Health Questionnaire, the Social-Interactive-Anxiety Scale, the self-efficacy questionnaire and the test anxiety questionnaire...
2017: International Journal of Mental Health Systems
https://www.readbyqxmd.com/read/28314054/a-cross-sectional-survey-of-the-nature-and-correlates-of-sleep-disturbance-in-people-with-psoriasis
#12
A L Henry, S D Kyle, A Chisholm, C E M Griffiths, C Bundy
BACKGROUND: Research suggests that sleep disturbance is common in psoriasis. Despite 32 studies conducted in sleep, many demonstrate methodological flaws, often using unvalidated measurement, with no study examining multiple dimensions of sleep-wake functioning. Moreover, research has yet to comprehensively examine the range of physical and psychological factors that may affect sleep in people with psoriasis. OBJECTIVE: To characterise sleep disturbance using validated measures and identify physical and psychological predictors of sleep quality in people with psoriasis...
March 17, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28128995/later-chronotype-is-associated-with-higher-hemoglobin-a1c-in-prediabetes-patients
#13
Thunyarat Anothaisintawee, Dumrongrat Lertrattananon, Sangsulee Thamakaison, Kristen L Knutson, Ammarin Thakkinstian, Sirimon Reutrakul
The circadian system is known to play a role in glucose metabolism. Chronotype reflects the interindividual variability in the phase of entrainment. Those with later chronotype typically prefer later times in the day for different activities such as sleep or meals. Later chronotype has been shown to be associated with metabolic syndrome, increased diabetes risk and poorer glycemic control in type 2 diabetes patients. In addition, "social jetlag", a form of circadian misalignment due to a mismatch between social rhythms and the circadian clock, has been shown to be associated with insulin resistance...
2017: Chronobiology International
https://www.readbyqxmd.com/read/28055288/eveningness-as-a-risk-for-behavioral-problems-in-late-adolescence
#14
Ilona Merikanto, Anu-Katriina Pesonen, Liisa Kuula, Jari Lahti, Kati Heinonen, Eero Kajantie, Katri Räikkönen
Circadian preference toward eveningness has been associated with increased risk for mental health problems both in early adolescence and in adulthood. However, in late adolescence, when circadian rhythm naturally shifts to later, its significance for mental health is not clear. Accordingly, we studied how circadian rhythm estimated both by self-reported chronotype and by actigraph-defined midpoint of sleep was associated with self-reported psychiatric problems based on Youth Self Report (YSR). The study builds on a community cohort born in 1998, Helsinki, Finland...
2017: Chronobiology International
https://www.readbyqxmd.com/read/28013233/the-influence-of-alertness-on-the-spatial-deployment-of-visual-attention-is-mediated-by-the-excitability-of-the-posterior-parietal-cortices
#15
Rebecca E Paladini, René M Müri, Jurka Meichtry, Tobias Nef, Fred W Mast, Urs P Mosimann, Thomas Nyffeler, Dario Cazzoli
With a reduced level of alertness, healthy individuals typically show a rightward shift when deploying visual attention in space. The impact of alertness on the neural networks governing visuospatial attention is, however, poorly understood. By using a transcranial magnetic stimulation twin-coil approach, the present study aimed at investigating the effects of an alertness manipulation on the excitability of the left and the right posterior parietal cortices (PPCs), crucial nodes of the visuospatial attentional network...
January 1, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/27957554/morningness-eveningness-in-a-large-sample-of-german-adolescents-and-adults
#16
Christoph Randler, Katharina Freyth-Weber, Arash Rahafar, Andrea Florez Jurado, Jan Ole Kriegs
People differ in their sleep-wake behavior. This individual difference is conceptualized in different aspects, such as wake up times, bed times, times of peak performance, as well as in morning affect. A total of 14,987 visitors of an exhibition in the LWL State Museum of Natural History, Münster (Germany), did the survey on chronotype and gave their consent that these data can be used for a scientific study. Age groups were coded into 5-year bins. Mean age (mean ± SD) was 28.2 ± 17.5 years. There were 8075 females (54%) and 6912 males in the sample...
November 2016: Heliyon
https://www.readbyqxmd.com/read/27912863/circadian-rhythm-and-sleep-during-prolonged-antarctic-residence-at-chinese-zhongshan-station
#17
Nan Chen, Quan Wu, Yanlei Xiong, Guang Chen, Dandan Song, Chengli Xu
OBJECTIVE: Residence at Zhongshan Station (69°22'24″S, 76°22'40″E) for over 1 year exposes winter-over members to marked changes of light-dark cycle, ranging from the constant daylight of polar days to the constant darkness of polar nights, in addition to geographic and social isolation. This extreme photoperiodic environment may increase the risk of sleep disturbances and circadian desynchrony. The aim of this study was to investigate the circadian rhythm and sleep phase of Chinese winter-over expeditioners at Zhongshan Station...
December 2016: Wilderness & Environmental Medicine
https://www.readbyqxmd.com/read/27791397/economic-decision-making-in-morning-evening-type-people-as-a-function-of-time-of-day
#18
Angel Correa, Noelia Ruiz-Herrera, Maria Ruz, Lorenzo Tonetti, Monica Martoni, Marco Fabbri, Vincenzo Natale
Decision-making is affected by psychological factors like emotional state or cognitive control, which may also vary with circadian rhythmicity. Here, we tested the influence of chronotype (32 morning-type versus 32 evening-type) and time of day (9 a.m. versus 5 p.m.) on interpersonal decision-making as measured by the Ultimatum Game. Participants had to accept or reject different economic offers proposed by a virtual participant. Acceptance involved distribution of gains as proposed, whereas rejection resulted in no gain for either player...
2017: Chronobiology International
https://www.readbyqxmd.com/read/27736199/morningness-eveningness-and-affective-temperaments-assessed-by-the-temperament-evaluation-of-memphis-pisa-and-san-diego-autoquestionnaire-temps-a
#19
Adrian Andrzej Chrobak, Anna Tereszko, Daria Dembinska-Krajewska, Aleksandra Arciszewska, Marcin Siwek, Dominika Dudek, Janusz Rybakowski
Chronotype is a stable trait presenting one's circardian preference. Since chronotype disturbances are common in patients with affective disorders, our aim is to evaluate chronotypes related to affective temperaments, measured with the temperament evaluation of Memphis, Pisa and San Diego-Autoquestionnaire (TEMPS-A). The study included 618 subjects (151 men and 467 women) within the framework of web-based design. They all fulfilled a questionnaire, consisting of the Composite Scale of Morningness (CSM), Sleep Wake Pattern Assessment Questionnaire (SWPAQ), and the TEMPS-A scale...
2017: Chronobiology International
https://www.readbyqxmd.com/read/27538100/epidemiological-study-on-chronotype-among-preschool-children-in-japan-prevalence-sleep-wake-patterns-and-associated-factors
#20
Yuriko Doi, Kaneyoshi Ishihara, Makoto Uchiyama
Our current 24-h society and the weekday-weekend switch of our social clocks may affect young children's sleep and circadian rhythms. However, such evidence is scarce. We conducted a nationwide epidemiological study of sleep and health in preschool children aged 3-5 years attending kindergarten or childcare centers in Japan, using stratified one-stage cluster sampling. The target population was 2 969 627 individuals (as of 1 April 2013). The Children's ChronoType Questionnaire was used to measure chronotypes (morning (M)-type, neither (N)-type and evening (E)-type), and weekday and weekend sleep-wake parameters...
2016: Chronobiology International
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