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rumination in depression

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https://www.readbyqxmd.com/read/28236814/diet-induced-milk-fat-depression-is-associated-with-alterations-in-ruminal-biohydrogenation-pathways-and-formation-of-novel-fatty-acid-intermediates-in-lactating-cows
#1
Laura Ventto, Heidi Leskinen, Piia Kairenius, Tomasz Stefański, Ali R Bayat, Johanna Vilkki, Kevin J Shingfield
The biohydrogenation theory of milk fat depression (MFD) attributes decreases in milk fat in cows to the formation of specific fatty acids (FA) in the rumen. Trans-10, cis-12-CLA is the only biohydrogenation intermediate known to inhibit milk fat synthesis, but it is uncertain if increased ruminal synthesis is the sole explanation of MFD. Four lactating cows were used in a 4×4 Latin square with a 2×2 factorial arrangement of treatments and 35-d experimental periods to evaluate the effect of diets formulated to cause differences in ruminal lipid metabolism and milk fat synthesis on the flow of FA and dimethyl acetal at the omasum...
February 27, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28230732/effects-of-acute-blueberry-flavonoids-on-mood-in-children-and-young-adults
#2
Sundus Khalid, Katie L Barfoot, Gabrielle May, Daniel J Lamport, Shirley A Reynolds, Claire M Williams
Epidemiological evidence suggests that consumption of flavonoids (usually via fruits and vegetables) is associated with decreased risk of developing depression. One plausible explanation for this association is the well-documented beneficial effects of flavonoids on executive function (EF). Impaired EF is linked to cognitive processes (e.g., rumination) that maintain depression and low mood; therefore, improved EF may reduce depressionogenic cognitive processes and improve mood. Study 1: 21 young adults (18-21 years old) consumed a flavonoid-rich blueberry drink and a matched placebo in a counterbalanced cross-over design...
February 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28230391/improvements-in-emotion-regulation-following-mindfulness-meditation-effects-on-depressive-symptoms-and-perceived-stress-in-younger-breast-cancer-survivors
#3
Chloe C Boyle, Annette L Stanton, Patricia A Ganz, Catherine M Crespi, Julienne E Bower
OBJECTIVE: Mindfulness meditation reduces psychological distress among individuals with cancer. However, mechanisms for intervention effects have not been fully determined. This study tested emotion regulation strategies as mediators of intervention effects in a sample of younger women treated for breast cancer, a group at risk for psychological distress. We focused on two distinct strategies targeted by the intervention-rumination and self-kindness-and further examined the broader construct of mindfulness as a potential mediator...
February 23, 2017: Journal of Consulting and Clinical Psychology
https://www.readbyqxmd.com/read/28230331/the-development-and-assessment-of-the-worry-about-pain-questionnaire
#4
J C Lefebvre, M P Jensen, S J Waters, I R Molton, F J Keefe, D S Caldwell
BACKGROUND: Worry can be conceptualized as a cognitive-affective automatic process initiated in order to address uncertainty and potential personal inadequacies that could result in negative outcomes. The purpose of the current study was to develop a measure of pain-specific worry - the Worry About Pain Questionnaire (WAPQ). METHOD: In study 1, responses of 335 pain-free participants were used to complete an item analysis and exploratory factors analysis to develop and assess the internal structure of the WAPQ...
February 23, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28226305/effect-of-maternal-rumination-and-disengagement-during-childhood-on-offspring-neural-response-to-reward-in-late-adolescence
#5
Judith K Morgan, Daniel S Shaw, Rachel H Jacobs, Sarah E Romens, Stephanie L Sitnick, Erika E Forbes
Maternal rumination is a cognitive-affective trait that could influence offspring's ability to respond flexibly to positive and negative events, depending on the quality of maternal problem-solving behaviors with which rumination co-occurs. As reward circuitry is sensitive to stressors and related to risk for depression, reward circuitry is an appropriate candidate mechanism for how maternal characteristics influence offspring. We evaluated the independent and combined effect of maternal rumination and disengagement on adolescent neural response to reward win and loss...
February 11, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28225084/rumination-and-default-mode-network-subsystems-connectivity-in-first-episode-drug-naive-young-patients-with-major-depressive-disorder
#6
Xueling Zhu, Qiuling Zhu, Huaizhen Shen, Weihua Liao, Fulai Yuan
Neuroimaging evidence implicates the association between rumination and default mode network (DMN) in major depressive disorder (MDD). However, the relationship between rumination and DMN subsystems remains incompletely understood, especially in patients with MDD. Thirty-three first-episode drug-naive patients with MDD and thirty-three healthy controls (HCs) were enrolled and underwent resting-sate fMRI scanning. Functional connectivity analysis was performed based on 11 pre-defined regions of interest (ROIs) for three DMN subsystems: the midline core, dorsal medial prefrontal cortex (dMPFC) and medial temporal lobe (MTL)...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28220089/emotion-regulation-therapy-a-mechanism-targeted-treatment-for-disorders-of-distress
#7
Megan E Renna, Jean M Quintero, David M Fresco, Douglas S Mennin
"Distress disorders," which include generalized anxiety disorder and major depression are often highly comorbid with each other and appear to be characterized by common temperamental features that reflect heightened sensitivity to underlying motivational systems related to threat/safety and reward/loss. Further, individuals with distress disorders tend to utilize self-referential processes (e.g., worry, rumination, self-criticism) in a maladaptive attempt to respond to motivationally relevant distress, often resulting in suboptimal contextual learning...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28213988/-contribution-of-mindfulness-meditation-in-cognitive-behavioral-therapy-for-insomnia
#8
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
https://www.readbyqxmd.com/read/28193308/review-exogenous-butyrate-implications-for-the-functional-development-of-ruminal-epithelium-and-calf-performance
#9
B Niwińska, E Hanczakowska, M B Arciszewski, R Klebaniuk
The importance of the use of exogenous butyrate in calves' diets is due to its role as a factor stimulating the functional development of ruminal epithelium and improving calf performance during the transition from preruminant to ruminant status. Our review will first present results related to effects of the administration of butyrate in calves' diets on the development of ruminal epithelium toward a more effective absorption and metabolism of fermentation products from the rumen. The introduction of sodium butyrate at a level of about 0...
February 14, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28174662/psychological-rumination-and-recovery-from-work-in-intensive-care-professionals-associations-with-stress-burnout-depression-and-health
#10
Tushna Vandevala, Louisa Pavey, Olga Chelidoni, Nai-Feng Chang, Ben Creagh-Brown, Anna Cox
BACKGROUND: The work demands of critical care can be a major cause of stress in intensive care unit (ICU) professionals and lead to poor health outcomes. In the process of recovery from work, psychological rumination is considered to be an important mediating variable in the relationship between work demands and health outcomes. This study aimed to extend our knowledge of the process by which ICU stressors and differing rumination styles are associated with burnout, depression and risk of psychiatric morbidity among ICU professionals...
2017: Journal of Intensive Care
https://www.readbyqxmd.com/read/28161664/assessing-maladaptive-repetitive-thought-in-clinical-disorders-a-critical-review-of-existing-measures
#11
REVIEW
Suraj Samtani, Michelle L Moulds
Rumination and worry have recently been grouped under the broader transdiagnostic construct of repetitive thought (Watkins, 2008). The purpose of this review is to provide an overview of scales used to assess repetitive thinking across a broad range of contexts: depression, anxiety, trauma, stress, illness, interpersonal difficulties, positive affect, and so forth. We also include scales developed or adapted for children and adolescents. In the extant literature, measures of repetitive thinking generally show small-to-moderate correlations with measures of psychopathology...
January 24, 2017: Clinical Psychology Review
https://www.readbyqxmd.com/read/28138426/alterations-in-visual-cortical-activation-and-connectivity-with-prefrontal-cortex-during-working-memory-updating-in-major-depressive-disorder
#12
Thang M Le, John A Borghi, Autumn J Kujawa, Daniel N Klein, Hoi-Chung Leung
The present study examined the impacts of major depressive disorder (MDD) on visual and prefrontal cortical activity as well as their connectivity during visual working memory updating and related them to the core clinical features of the disorder. Impairment in working memory updating is typically associated with the retention of irrelevant negative information which can lead to persistent depressive mood and abnormal affect. However, performance deficits have been observed in MDD on tasks involving little or no demand on emotion processing, suggesting dysfunctions may also occur at the more basic level of information processing...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28135598/adaptive-functions-of-self-focused-attention-insight-and-depressive-and-anxiety-symptoms
#13
Miho Nakajima, Keisuke Takano, Yoshihiko Tanno
Maladaptive forms of self-focus, such as rumination, are considered transdiagnostic factors that contribute to depressive and anxiety symptoms. However, no or few studies have explored the possibility that adaptive forms of self-focus can also be a common factor that is negatively associated with depressive and anxiety symptoms. To test this possibility, we first examined the psychometric properties of a scale measuring adaptive forms of self-focus (the Self-Reflection and Insight Scale) on Japanese undergraduates (n=117)...
March 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28130973/a-two-year-longitudinal-study-of-gender-differences-in-responses-to-positive-affect-and-depressive-symptoms-during-middle-adolescence
#14
Diego Gomez-Baya, Ramon Mendoza, Susana Paino, Jane E Gillham
This study aimed to analyze the prospective associations during adolescence between depressive symptoms and response styles to positive affect and to examine gender differences. A longitudinal study was conducted with three waves separated by 1 year each to assess a non-clinical sample of 622 Spanish adolescents who were 13 and 14 years old (50.2% boys, 49.8% girls). The participants completed self-report measures of depressive symptoms and responses to positive affect (emotion-focused positive rumination, self-focused positive rumination and dampening of positive emotion)...
January 25, 2017: Journal of Adolescence
https://www.readbyqxmd.com/read/28111610/a-twin-study-examining-rumination-as-a-transdiagnostic-correlate-of-psychopathology
#15
Daniel P Johnson, Soo Hyun Rhee, Naomi P Friedman, Robin P Corley, Melissa A Munn-Chernoff, John K Hewitt, Mark A Whisman
This study examined the genetic and environmental influences on rumination and its associations with several forms of psychopathology in a sample of adult twins (N = 744). Rumination was significantly associated with major depressive disorder, depressive symptoms, generalized anxiety disorder, eating pathology, and substance dependence symptoms. There were distinct patterns of etiological overlap between rumination and each form of psychopathology; rumination had considerable genetic overlap with depression, modest genetic overlap with eating pathology, and almost no genetic overlap with substance dependence...
November 2016: Clinical Psychological Science
https://www.readbyqxmd.com/read/28103761/the-everyday-dynamics-of-rumination-and-worry-precipitant-events-and-affective-consequences
#16
Katharina Kircanski, Renee J Thompson, James Sorenson, Lindsey Sherdell, Ian H Gotlib
Rumination and worry are two perseverative, negatively valenced thought processes that characterise depressive and anxiety disorders. Despite significant research interest, little is known about the everyday precipitants and consequences of rumination and worry. Using an experience sampling methodology, we examined and compared rumination and worry with respect to their relations to daily events and affective experience. Participants diagnosed with Major Depressive Disorder (MDD), Generalized Anxiety Disorder (GAD), co-occurring MDD-GAD, or no diagnosis carried an electronic device for one week and reported on rumination, worry, significant events, positive affect (PA), and negative affect (NA)...
January 20, 2017: Cognition & Emotion
https://www.readbyqxmd.com/read/28088408/the-effects-of-adding-fat-to-diets-of-lactating-dairy-cows-on-total-tract-neutral-detergent-fiber-digestibility-a-meta-analysis
#17
K A Weld, L E Armentano
The objective of this meta-analysis was to determine the effects of supplemental fat on fiber digestibility in lactating dairy cattle. Published papers that evaluated the effects of adding fat to the diets of lactating dairy cattle on total-tract neutral detergent fiber digestibility (ttNDFd) and dry matter intake (DMI) were compiled. The final data set included 108 fat-supplemented treatment means, not including low-fat controls, from 38 publications. The fat-supplemented treatment means exhibited a wide range of ttNDFd (49...
March 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28088403/ginkgo-fruit-extract-as-an-additive-to-modify-rumen-microbiota-and-fermentation-and-to-mitigate-methane-production
#18
S Oh, R Shintani, S Koike, Y Kobayashi
Ginkgo fruit, an unused byproduct of the ginkgo nut industry, contains antimicrobial compounds known as anacardic acids. Two major cultivars of ginkgo, Kyuju (K) and Tokuro (T), were evaluated for their potential as a feed additive for ruminants. In batch culture, we incubated a mixture of hay and concentrate in diluted rumen fluid with or without 1.6% (fruit equivalent) ginkgo fruit extract. We conducted another series of batch culture studies to determine the dose response of fermentation. We also conducted continuous culture using the rumen simulation technique (RUSITEC) with cultivar K and carried out a pure culture study to monitor the sensitivity of 17 representative rumen bacterial species to ginkgo extract and component phenolics...
March 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28068613/behavioral-activation-treatment-for-major-depression-a-randomized-trial-of-the-efficacy-of-augmentation-with-cognitive-control-training
#19
Samantha J Moshier, Michael W Otto
BACKGROUND: Major depressive disorder (MDD) is associated with hypoactivation of the dorsolateral prefrontal cortex, a brain region involved in emotion regulation and basic cognitive control processes. Recent studies have indicated that computerized interventions designed to activate this region may reduce depressive and ruminative symptoms. In this double-blind randomized controlled trial, we tested whether one such program, called Cognitive Control Training (CCT), enhanced treatment outcomes when used in adjunct to brief behavior therapy for MDD...
January 3, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28050759/tension-among-women-in-north-india-an-idiom-of-distress-and-a-cultural-syndrome
#20
Lesley Jo Weaver
The existing literature on Indian ethnopsychology has long asserted that somatization is a key aspect of experiences of distress. The study of idioms of distress arose out of work done in India (Nichter in Cult Med Psychiatry 5(4):379-408, 1981), but ironically, little subsequent work has systematically explored idioms of distress in this part of the world. This ethnographic study focused on the term tension (tenśan) and its relation to a cultural syndrome among women in urban North India. This syndrome appears to involve rapid-onset anger, irritation, rumination, and sleeplessness as key symptoms...
March 2017: Culture, Medicine and Psychiatry
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