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feedback-related negativity

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https://www.readbyqxmd.com/read/28530410/correction-to-kujawa-proudfit-and-klein-2014
#1
(no author information available yet)
Reports an error in "Neural reactivity to rewards and losses in offspring of mothers and fathers with histories of depressive and anxiety disorders" by Autumn Kujawa, Greg Hajcak Proudfit and Daniel N. Klein (Journal of Abnormal Psychology, 2014[May], Vol 123[2], 287-297). In the original article, there was an error in the Measures section. The article stated that the EEG data were band-pass filtered with cutoffs of 0.1 and 30 Hz and baseline corrected using the 200 ms interval prior to feedback. Instead, the data were actually filtered with cutoffs of 0...
May 22, 2017: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/28525642/dynamics-of-sequestration-based-gene-regulatory-cascades
#2
Tatenda Shopera, William R Henson, Tae Seok Moon
Gene regulatory cascades are ubiquitous in biology. Because regulatory cascades are integrated within complex networks, their quantitative analysis is challenging in native systems. Synthetic biologists have gained quantitative insights into the properties of regulatory cascades by building simple circuits, but sequestration-based regulatory cascades remain relatively unexplored. Particularly, it remains unclear how the cascade components collectively control the output dynamics. Here, we report the construction and quantitative analysis of the longest sequestration-based cascade in Escherichia coli...
May 19, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28523218/valence-and-magnitude-ambiguity-in-feedback-processing
#3
Ruolei Gu, Xue Feng, Lucas S Broster, Lu Yuan, Pengfei Xu, Yue-Jia Luo
BACKGROUND: Outcome feedback which indicates behavioral consequences are crucial for reinforcement learning and environmental adaptation. Nevertheless, outcome information in daily life is often totally or partially ambiguous. Studying how people interpret this kind of information would provide important knowledge about the human evaluative system. METHODS: This study concentrates on the neural processing of partially ambiguous feedback, that is, either its valence or magnitude is unknown to participants...
May 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28521266/neural-mechanisms-of-reward-processing-associated-with-depression-related-personality-traits
#4
Akina Umemoto, Clay B Holroyd
OBJECTIVE: Although impaired reward processing in depression has been well-documented, the exact nature of that deficit remains poorly understood. To investigate the link between depression and the neural mechanisms of reward processing, we examined individual differences in personality. METHODS: We recorded the electroencephalogram from healthy college students engaged in a probabilistic reinforcement learning task. Participants also completed several personality questionnaires that assessed traits related to reward sensitivity, motivation, and depression...
April 21, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28513195/binge-drinking-health-impact-prevalence-correlates-and-interventions
#5
Emmanuel Kuntsche, Sandra Kuntsche, Johannes Thrul, Gerhard Gmel
OBJECTIVE: Binge drinking (also called heavy episodic drinking, risky single-occasion drinking etc.) is a major public health problem. This paper provides an overview of recently published evidence concerning the definition and measurement, prevalence rates, health impact, demographic and psychosocial correlates of, and interventions for, binge drinking. DESIGN: Narrative review. RESULTS: Mostly occurring among young people at weekends, binge drinking increases the risk of both acute (e...
May 17, 2017: Psychology & Health
https://www.readbyqxmd.com/read/28511826/use-of-hypnosis-meditation-and-biofeedback-in-dermatology
#6
Philip D Shenefelt
Hypnosis utilizes trance to access otherwise inaccessible repressed or unconscious memories and features of the psyche and control of physiology not attainable in the ordinary conscious waking state. Medical uses of hypnosis in dermatology include reducing discomfort from itching or skin pain, altering ingrained dysfunctional habits such as scratching, promoting healing of skin disorders, searching for psychosomatic aspects of skin disorders and alleviating them, and reframing cognitive and emotional dysfunctional patterns related to skin disorders...
May 2017: Clinics in Dermatology
https://www.readbyqxmd.com/read/28503138/enhanced-feedback-related-negativity-in-alzheimer-s-disease
#7
Eri Nitta, Keiichi Onoda, Fuminori Ishitobi, Ryota Okazaki, Seiji Mishima, Atsushi Nagai, Shuhei Yamaguchi
Alzheimer's disease (AD), the most common cause of dementia in the elderly, results in the impairment of executive function, including that of performance monitoring. Feedback-related negativity (FRN) is an electrophysiological measure reflecting the activity of this monitoring system via feedback signals, and is generated from the anterior cingulate cortex. However, there have been no reports on FRN in AD. Based on prior aging studies, we hypothesized that FRN would decrease in AD patients. To assess this, FRN was measured in healthy individuals and those with AD during a simple gambling task involving positive and negative feedback stimuli...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28500470/neural-correlates-of-emotion-reactivity-and-regulation-in-young-children-with-adhd-symptoms
#8
Claudia Lugo-Candelas, Chaia Flegenheimer, Elizabeth Harvey, Jennifer M McDermott
Emotion reactivity and regulation are frequently impaired in individuals with attention-deficit/hyperactivity disorder (ADHD), yet few studies have examined these factors in young children with ADHD, and none have explored the neural correlates of emotion reactivity and regulation in this group through event-related potentials (ERPs). Children aged 4 to 7 with (n = 25; 18 boys) and without (n = 29; 20 boys) ADHD symptoms completed an attention task composed of four blocks: baseline, frustration, suppression, and recovery...
May 12, 2017: Journal of Abnormal Child Psychology
https://www.readbyqxmd.com/read/28497126/vulnerability-to-depression-in-youth-advances-from-affective-neuroscience
#9
Autumn Kujawa, Katie L Burkhouse
Vulnerability models of depression posit that individual differences in trait-like vulnerabilities emerge early in life and increase risk for the later development of depression. In this review, we summarize advances from affective neuroscience using neural measures to assess vulnerabilities in youth at high risk for depression due to parental history of depression or temperament style, as well as prospective designs evaluating the predictive validity of these vulnerabilities for symptoms and diagnoses of depression across development...
January 2017: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/28494056/comparison-of-automated-posttonsillectomy-bleed-capture-with-self-report
#10
D Ryan Phillips, Susan E Ellsperman, Bruce H Matt, Ben L Zarzaur
Importance: Tonsillectomy is one of the most common procedures performed by otolaryngologists and is associated with postoperative bleeding. Bleed rates are usually monitored by self-report. Objective: To evaluate whether using automated capture and reporting of pediatric posttonsillectomy bleeding is feasible and accurate compared with traditional self-reporting by the surgical team. Design, Setting, and Participants: An automated complication-reporting algorithm was designed to query the local health information exchange and then tested against self-reported tonsillectomy complication data collected from January 1, 2014, through December 31, 2015, at a tertiary pediatric hospital...
May 11, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28493017/ecological-equivalence-assessment-methods-what-trade-offs-between-operationality-scientific-basis-and-comprehensiveness
#11
Lucie Bezombes, Stéphanie Gaucherand, Christian Kerbiriou, Marie-Eve Reinert, Thomas Spiegelberger
In many countries, biodiversity compensation is required to counterbalance negative impacts of development projects on biodiversity by carrying out ecological measures, called offset when the goal is to reach "no net loss" of biodiversity. One main issue is to ensure that offset gains are equivalent to impact-related losses. Ecological equivalence is assessed with ecological equivalence assessment methods taking into account a range of key considerations that we summarized as ecological, spatial, temporal, and uncertainty...
May 10, 2017: Environmental Management
https://www.readbyqxmd.com/read/28490690/a-decline-in-female-baboon-hypothalamo-pituitary-adrenal-axis-activity-anticipates-aging
#12
Shanshan Yang, Kenneth G Gerow, Hillary F Huber, McKenna M Considine, Cun Li, Vicki Mattern, Anthony G Comuzzie, Stephen P Ford, Peter W Nathanielsz
Stressors that disrupt homeostasis advance aging. Glucocorticoids regulate multiple processes that determine the aging trajectory. Debate exists regarding life-course circulating glucocorticoid concentrations. Rodent and nonhuman primate studies indicate circulating glucocorticoids fall from early life. We measured fasting morning cortisol in 24 female baboons (6-21 years, human equivalent ~18-70). We also quantified hypothalamic paraventricular nuclear (PVN) arginine vasopressin (AVP), corticotropin-releasing hormone, steroid receptors, and pituitary proopiomelanocortin immunohistochemically in 14 of these females at 6-13 years...
May 9, 2017: Aging
https://www.readbyqxmd.com/read/28484413/career-preparedness-and-school-achievement-of-portuguese-children-longitudinal-trend-articulations
#13
Íris M Oliveira, Maria do Céu Taveira, Erik J Porfeli
Social Cognitive Career Theory suggests that students' preparedness for the school-to-work transition is a developmental process. Middle school children explore various careers, obtain feedback about their academic progress, and develop career self-efficacy and outcome expectations. These processes advance provisional educational/occupational goals. The literature has suggested articulations between career and academic development and how both vary across demographic characteristics, but longitudinal studies linking these processes are scarce...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28483518/stat3-mediates-multidrug-resistance-of-burkitt-lymphoma-cells-by-promoting-antioxidant-feedback
#14
Ruolan Zeng, Youhong Tang, Hui Zhou, Yiping Liu, Junhui Huang, Li Li, Wei Liu, Yuhua Feng, Yangying Zhou, Taili Chen, Lu Zhang, Meizuo Zhong
Burkitt lymphoma (BL) is a highly aggressive B-cell neoplasm. Although BL is relatively sensitive to chemotherapy, some patients do not respond to initial therapy or relapse after standard therapy, which leads to poor prognosis. The mechanisms underlying BL chemoresistance remain poorly defined. Here, we report a mechanism for the relationship between the phosphorylation of STAT3 on Tyr705 and BL chemoresistance. In chemoresistant BL cells, STAT3 was activated and phosphorylated on Tyr705 in response to the generation of the reactive oxygen species (ROS), which induced Src Tyr416 phosphorylation after multi-chemotherapeutics treatment...
June 17, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28478704/the-interaction-of-psychological-and-physiological-homeostatic-drives-and-role-of-general-control-principles-in-the-regulation-of-physiological-systems-exercise-and-the-fatigue-process-the-integrative-governor-theory
#15
A St Clair Gibson, J Swart, R Tucker
Either central (brain) or peripheral (body physiological system) control mechanisms, or a combination of these, have been championed in the last few decades in the field of Exercise Sciences as how physiological activity and fatigue processes are regulated. In this review, we suggest that the concept of 'central' or 'peripheral' mechanisms are both artificial constructs that have 'straight-jacketed' research in the field, and rather that competition between psychological and physiological homeostatic drives is central to the regulation of both, and that governing principles, rather than distinct physical processes, underpin all physical system and exercise regulation...
May 6, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28469557/modulation-of-the-hypothalamic-pituitary-adrenal-axis-by-early-life-stress-exposure
#16
REVIEW
Miranda van Bodegom, Judith R Homberg, Marloes J A G Henckens
Exposure to stress during critical periods in development can have severe long-term consequences, increasing overall risk on psychopathology. One of the key stress response systems mediating these long-term effects of stress is the hypothalamic-pituitary-adrenal (HPA) axis; a cascade of central and peripheral events resulting in the release of corticosteroids from the adrenal glands. Activation of the HPA-axis affects brain functioning to ensure a proper behavioral response to the stressor, but stress-induced (mal)adaptation of the HPA-axis' functional maturation may provide a mechanistic basis for the altered stress susceptibility later in life...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28468885/rubicon-modulates-antiviral-type-i-ifn-signaling-by-targeting-irf3-dimerization
#17
Jae-Hoon Kim, Tae-Hwan Kim, Hyun-Cheol Lee, Chamilani Nikapitiya, Md Bashir Uddin, Min-Eun Park, Eun Seo Lee, Kiramage Chathuranga, Thilina U B Herath, W A Gayan Chathuranga, Jong-Soo Lee
Rubicon is a part of a Beclin-1-Vps34-containing autophagy complex. Rubicon induces antimicrobial responses upon TLR stimulation, and functions as a feedback inhibitor to prevent unbalanced proinflammatory responses depending on dectin-1 signaling. However, the role played by Rubicon during antiviral immune responses, particularly the type I interferon responses remains largely unknown. Here, we report that Rubicon acts as a negative regulator for virus-triggered IFN signaling. Knockdown of Rubicon promoted type I interferon signaling and inhibited virus replication, while overexpression of Rubicon has the opposite effect...
May 3, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28466954/-downregulation-of-lh-in-the-bitch-after-application-of-the-gnrh-agonist-buserelin-as-a-slow-release-implant
#18
Andrea Piepenbrink, Klaus Failing, Anja Riesenbeck, Peter Schmid, Bernd Hoffmann
OBJECTIVES: Demonstration of downregulation of luteinizing hormone (LH) using the gonadotropin-releasing hormone (GnRH)-agonist buserelin as the active ingredient in the form of a slow-release implant. MATERIAL AND METHODS: To eliminate any negative feedback mechanisms of endogenous sex steroids, nine bitches were ovariohysterectomized prior to treatment. The applied drug was the slow-release implant Profact Depot(®) with the active ingredient buserelin; dosages were 3...
May 3, 2017: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/28465046/social-value-orientation-modulates-the-frn-and-p300-in-the-chicken-game
#19
Yiwen Wang, D Michael Kuhlman, Kathryn Roberts, Bo Yuan, Zhen Zhang, Wei Zhang, Robert F Simons
Social dilemmas pervade daily life, business, and politics. The manners in which these dilemmas are resolved depend in part on the personal characteristics of those involved. One such characteristic is Social Value Orientation (SVO), a trait-like predisposition to maximize cooperative (Pro-Social) or non-cooperative (Pro-Self) outcomes in social relationships. The present study investigated the role of SVO in modulating neural responses to outcomes in a type of social dilemma known as the Chicken Game. The Chicken Game models real-world situations involving two parties independently making a decision between cooperation and aggression...
May 2, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28464974/altered-activation-of-the-ventral-striatum-under-performance-related-observation-in-social-anxiety-disorder
#20
M P I Becker, D Simon, W H R Miltner, T Straube
BACKGROUND: Social anxiety disorder (SAD) is characterized by fear of social and performance situations. The consequence of scrutiny by others for the neural processing of performance feedback in SAD is unknown. METHODS: We used event-related functional magnetic resonance imaging to investigate brain activation to positive, negative, and uninformative performance feedback in patients diagnosed with SAD and age-, gender-, and education-matched healthy control subjects who performed a time estimation task during a social observation condition and a non-social control condition: while either being monitored or unmonitored by a body camera, subjects received performance feedback after performing a time estimation that they could not fully evaluate without external feedback...
May 3, 2017: Psychological Medicine
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