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https://www.readbyqxmd.com/read/28738210/neural-activity-and-emotional-processing-following-military-deployment-effects-of-mild-traumatic-brain-injury-and-posttraumatic-stress-disorder
#1
Daniel V Zuj, Kim L Felmingham, Matthew A Palmer, Ellie Lawrence-Wood, Miranda Van Hooff, Andrew J Lawrence, Richard A Bryant, Alexander C McFarlane
Posttraumatic Stress Disorder (PTSD) and mild traumatic brain injury (mTBI) are common comorbidities during military deployment that affect emotional brain processing, yet few studies have examined the independent effects of mTBI and PTSD. The purpose of this study was to examine distinct differences in neural responses to emotional faces in mTBI and PTSD. Twenty-one soldiers reporting high PTSD symptoms were compared to 21 soldiers with low symptoms, and 16 soldiers who reported mTBI-consistent injury and symptoms were compared with 16 soldiers who did not sustain an mTBI...
July 21, 2017: Brain and Cognition
https://www.readbyqxmd.com/read/28735596/cue-reactivity-towards-bodies-in-anorexia-nervosa-common-and-differential-effects-in-adolescents-and-adults
#2
S Horndasch, O Kratz, J Van Doren, H Graap, R Kramer, G H Moll, H Heinrich
BACKGROUND: Aberrant reward mechanisms with regard to slim body shapes are discussed in patients with anorexia nervosa (AN). The aim of the present study was to examine of cue reactivity toward body shapes in AN via the late positive potential (LPP), an event-related electroencephalography (EEG) component. By including adolescents and adults, aspects of development and chronification could be studied (2 × 2 design). METHODS: Thirty-two female AN patients (19 adolescents and 13 adults) and 37 control participants (16 adolescents and 21 adults) were included...
July 24, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28734975/how-consumers-are-affected-by-product-descriptions-in-online-shopping-event-related-potentials-evidence-of-the-attribute-framing-effect
#3
Jia Jin, Wuke Zhang, Mingliang Chen
Due to the limitations of the human ability to process information, e-consumers' decisions are likely to be influenced by various cognitive biases, such as the attribute framing effect. This effect has been well studied by numerous scholars; however, the associated underlying neural mechanisms with a critical temporal resolution have not been revealed. Thus, this study applies the measurement of event-related potentials (ERPs) to directly examine the role of attribute framing in information processing and decision-making in online shopping...
July 19, 2017: Neuroscience Research
https://www.readbyqxmd.com/read/28734964/removing-user-fees-for-health-services-a-multi-epistemological-perspective-on-access-inequities-in-senegal
#4
Philipa Mladovsky, Maymouna Ba
Plan Sésame (PS) is a user fee exemption policy launched in 2006 to provide free access to health services to Senegalese citizens aged 60 and over. Analysis of a large household survey evaluating PS echoes findings of other studies showing that user fee removal can be highly inequitable. 34 semi-structured interviews and 19 focus group discussions with people aged 60 and over were conducted in four regions in Senegal (Dakar, Diourbel, Matam and Tambacounda) over a period of six months during 2012. They were analysed to identify underlying causes of exclusion from/inclusion in PS and triangulated with the household survey...
July 6, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28732759/hemispheric-asymmetries-in-the-processing-of-body-sides-a-study-with-ambiguous-human-silhouettes
#5
Daniele Marzoli, Alessandra Pagliara, Giulia Prete, Gianluca Malatesta, Chiara Lucafò, Caterina Padulo, Alfredo Brancucci, Luca Tommasi
When required to indicate the perceived orientation of pictures of human silhouettes with ambiguous front/back orientation and handedness, both right- and left-handed participants perceive the figures more frequently as right-handed than as left-handed, which seems to indicate an attentional bias towards the right arm of human bodies. Given that past research exploiting the divided visual field paradigm indicated a processing advantage for contralateral body parts in both hemispheres, we tested whether human silhouettes with ambiguous handedness presented in the right visual field would be interpreted more frequently as right-handed compared with those presented in the left visual field...
July 18, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28732465/genome-wide-signals-of-positive-selection-in-strongylocentrotid-sea-urchins
#6
Kord M Kober, Grant H Pogson
BACKGROUND: Comparative genomics studies investigating the signals of positive selection among groups of closely related species are still rare and limited in taxonomic breadth. Such studies show great promise in advancing our knowledge about the proportion and the identity of genes experiencing diversifying selection. However, methodological challenges have led to high levels of false positives in past studies. Here, we use the well-annotated genome of the purple sea urchin, Strongylocentrotus purpuratus, as a reference to investigate the signals of positive selection at 6520 single-copy orthologs from nine sea urchin species belonging to the family Strongylocentrotidae paying careful attention to minimizing false positives...
July 21, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28732260/differences-in-emotional-stimuli-processing-in-subjects-with-mtle-with-and-without-depression
#7
Lidija Preglej, Ksenija Marinković, Hrvoje Hećimović
In healthy people, a preference in attention maintenance and memory for words with emotional valence comparing to neutral words has been shown. The pattern of emotional stimuli processing may be different in people with mesial temporal lobe epilepsy (MTLE) and it may be sensitive to the presence of depressive symptoms. In order to explore these possibilities, we applied the emotional spatial cueing attentional task and the free recall memory task to participants (N=39) with MTLE and compared them with healthy controls...
July 18, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28726063/gaze-based-assessments-of-vigilance-and-avoidance-in-social-anxiety-a-review
#8
REVIEW
Nigel T M Chen, Patrick J F Clarke
PURPOSE OF REVIEW: A broad base of research has sought to identify the biases in selective attention which characterize social anxiety, with the emergent use of eye tracking-based methods. This article seeks to provide a review of eye tracking studies examining selective attention biases in social anxiety. RECENT FINDINGS: Across a number of contexts, social anxiety may be associated with a mix of both vigilant and avoidant patterns of attention with respect to the processing of emotional social stimuli...
September 2017: Current Psychiatry Reports
https://www.readbyqxmd.com/read/28725207/predictors-of-biased-self-perception-in-individuals-with-high-social-anxiety-the-effect-of-self-consciousness-in-the-private-and-public-self-domains
#9
Henrik Nordahl, Alice Plummer, Adrian Wells
"Biased self-perception," the tendency to perceive one's social performance as more negative than observers do, is characteristic of socially anxious individuals. Self-attention processes are hypothesised to underlie biased self-perception, however, different models emphasise different aspects of self-attention, with attention to the public aspects of the self being prominent. The current study aimed to investigate the relative contribution of two types of dispositional self-attention; public- and private self-consciousness to biased self-perception in a high (n = 48) versus a low (n = 48) social anxiety group undergoing an interaction task...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28725189/inversion-reveals-perceptual-asymmetries-in-the-configural-processing-of-human-body
#10
Daniele Marzoli, Chiara Lucafò, Caterina Padulo, Giulia Prete, Laura Giacinto, Luca Tommasi
Ambiguous human bodies performing unimanual/unipedal actions are perceived more frequently as right-handed/footed rather than left-handed/footed, which suggests a perceptual and attentional bias toward the right side of others' body. A bias toward the right arm of human bodies could be adaptive in social life, most social interactions occurring with right-handed individuals, and the implicit knowledge that the dominant hand of humans is usually placed on their right side might also be included in body configural information...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28725187/lack-of-associations-between-female-hormone-levels-and-visuospatial-working-memory-divided-attention-and-cognitive-bias-across-two-consecutive-menstrual-cycles
#11
Brigitte Leeners, Tillmann H C Kruger, Kirsten Geraedts, Enrico Tronci, Toni Mancini, Fabian Ille, Marcel Egli, Susanna Röblitz, Lanja Saleh, Katharina Spanaus, Cordula Schippert, Yuangyuang Zhang, Michael P Hengartner
Background: Interpretation of observational studies on associations between prefrontal cognitive functioning and hormone levels across the female menstrual cycle is complicated due to small sample sizes and poor replicability. Methods: This observational multisite study comprised data of n = 88 menstruating women from Hannover, Germany, and Zurich, Switzerland, assessed during a first cycle and n = 68 re-assessed during a second cycle to rule out practice effects and false-positive chance findings. We assessed visuospatial working memory, attention, cognitive bias and hormone levels at four consecutive time-points across both cycles...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28722537/attention-bias-to-threat-in-mothers-with-emotional-disorders-predicts-increased-offspring-anxiety-symptoms-a-joint-cross-sectional-and-longitudinal-analysis
#12
Allison M Waters, Elise M Candy, Steven G Candy
There is convincing evidence of the transmission of anxiety and depression from parents to children; however, mechanisms by which this vulnerability is passed on are unclear. Cognitive models and a small body of cross-sectional research suggest that parental attention biases (ABs) may be one mechanism involved in transmission. Longitudinal associations of maternal and offspring ABs with offspring symptoms have been scarcely studied. Forty-three mothers-child dyads were included. All children (7-12 years old) were diagnosis-free while 24 mothers had a lifetime emotional disorder (anxiety or depression) (high risk, HR) and 19 mothers had no psychiatric diagnoses (low risk, LR)...
July 19, 2017: Cognition & Emotion
https://www.readbyqxmd.com/read/28719783/making-sense-of-studies-that-claim-benefits-of-frenotomy-in-the-absence-of-classic-tongue-tie
#13
Pamela Douglas
By performing an in-depth analysis of one high profile example, this article aims to help breastfeeding support professionals understand the methodological flaws that characterize recent studies claiming to show the efficacy of frenotomy for the diagnoses of posterior tongue-tie and upper lip-tie. The example study does not address definitional confusion or control for the effects of the passage of time. It does not consider the effects of caring attention, validation, and lactation consultant support. It also does not consider the extensive research over the past three decades that has established that reflux in the first 6 months of life is benign, even though increased reflux frequency may correlate with unsettled infant behavior...
August 2017: Journal of Human Lactation: Official Journal of International Lactation Consultant Association
https://www.readbyqxmd.com/read/28718817/time-to-spread-your-wings-a-review-of-the-avian-ancient-dna-field
#14
REVIEW
Alicia Grealy, Nicolas J Rawlence, Michael Bunce
Ancient DNA (aDNA) has the ability to inform the evolutionary history of both extant and extinct taxa; however, the use of aDNA in the study of avian evolution is lacking in comparison to other vertebrates, despite birds being one of the most species-rich vertebrate classes. Here, we review the field of "avian ancient DNA" by summarising the past three decades of literature on this topic. Most studies over this time have used avian aDNA to reconstruct phylogenetic relationships and clarify taxonomy based on the sequencing of a few mitochondrial loci, but recent studies are moving toward using a comparative genomics approach to address developmental and functional questions...
July 18, 2017: Genes
https://www.readbyqxmd.com/read/28718058/cultural-biases-in-current-medical-practices-with-a-specific-attention-to-orthopedic-surgery-a-review
#15
Gracia Etienne, Todd P Pierce, Anton Khlopas, Morad Chughtai, Carlos J Lavernia, Teva Y Vogelstein, Craig M Thomas, Charles S Modlin, Michael A Mont
Due to the increasing diversity within the United States population, there is an ever-increasing need for increased education on cultural literacy and tolerance in medical schools and residency programs. The purpose of this article was to review how a person's culture can play a substantive role in effecting and influencing (1) medical diagnosis, (2) patient and health provider medical decision-making, (3) the patient's perception of disease, and (4) the doctor-patient relationships. Many of the decisions we make as orthopedic surgeons must account for the patient's cultural needs, as much of our work impacts patients' daily activities and function...
July 17, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28716112/psychosocial-interventions-for-managing-occupational-stress-and-burnout-among-medical-doctors-a-systematic-review
#16
Bonnie A Clough, Sonja March, Raymond J Chan, Leanne M Casey, Rachel Phillips, Michael J Ireland
BACKGROUND: Occupational stress and burnout are highly prevalent among medical doctors and can have adverse effects on patient, doctor, and organisational outcomes. The purpose of the current study was to review and evaluate evidence on psychosocial interventions aimed at reducing occupational stress and burnout among medical doctors. METHOD: A systematic review was conducted for original research articles reporting on psychosocial interventions targeting occupational stress or burnout among medical doctors, published in the English language, and with data collected at a minimum of two time points...
July 17, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28715037/enhanced-current-rectification-and-self-powered-photoresponse-in-multilayer-p-mote2-n-mos2-van-der-waals-heterojunctions
#17
Bin Wang, Shengxue Yang, Cong Wang, Minghui Wu, Li Huang, Qian Liu, Chengbao Jiang
Vertically stacked van der Waals (vdW) heterojunctions based on two-dimensional (2D) transition metal dichalcogenides (TMDs) have attracted a great deal of attention and have created a powerful new material platform for novel, high-performance electronic and optoelectronic devices. Here, we report the construction of multilayer p-MoTe2/n-MoS2 vdW heterostructures with remarkable rectification behavior, self-powered photoresponse and distinct photosensitivity at different laser wavelengths and power densities...
July 17, 2017: Nanoscale
https://www.readbyqxmd.com/read/28714075/working-memory-and-organizational-skills-problems-in-adhd
#18
Michael J Kofler, Dustin E Sarver, Sherelle L Harmon, Allison Moltisanti, Paula A Aduen, Elia F Soto, Nicole Ferretti
BACKGROUND: This study tested model-driven predictions regarding working memory's role in the organizational problems associated with ADHD. METHOD: Children aged 8-13 (M = 10.33, SD = 1.42) with and without ADHD (N = 103; 39 girls; 73% Caucasian/Non-Hispanic) were assessed on multiple, counterbalanced working memory tasks. Parents and teachers completed norm-referenced measures of organizational problems (Children's Organizational Skills Scale; COSS). RESULTS: Results confirmed large magnitude working memory deficits (d = 1...
July 17, 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28712729/gene-by-cognition-interaction-on-stress-induced-attention-bias-for-food-effects-of-5-httlpr-and-ruminative-thinking
#19
Robbie Schepers, C Rob Markus
INTRODUCTION: Stress is often found to increase the preference and intake of high caloric foods. This effect is known as emotional eating and is influenced by cognitive as well as biological stress vulnerabilities. An S-allele of the 5-HTTLPR gene has been linked to decreased (brain) serotonin efficiency, leading to decreased stress resilience and increased risks for negative affect and eating related disturbances. Recently it has been proposed that a cognitive ruminative thinking style can further exacerbate the effect of this gene by prolonging the already increased stress response, thereby potentially increasing the risk of compensating by overeating high palatable foods...
July 13, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28711811/n-acetylcysteine-reduces-cocaine-cue-attentional-bias-and-differentially-alters-cocaine-self-administration-based-on-dosing-order
#20
B L Bolin, Joseph L Alcorn, Joshua A Lile, Craig R Rush, Abner O Rayapati, Lon R Hays, William W Stoops
BACKGROUND: Disrupted glutamate homeostasis is thought to contribute to cocaine-use disorder, in particular, by enhancing the incentive salience of cocaine stimuli. n-Acetylcysteine might be useful in cocaine-use disorder by normalizing glutamate function. In prior studies, n-acetylcysteine blocked the reinstatement of cocaine seeking in laboratory animals and reduced the salience of cocaine stimuli and delayed relapse in humans. METHODS: The present study determined the ability of maintenance on n-acetylcysteine (0 or 2400mg/day, counterbalanced) to reduce the incentive salience of cocaine stimuli, as measured by an attentional bias task, and attenuate intranasal cocaine self-administration (0, 30, and 60mg)...
June 29, 2017: Drug and Alcohol Dependence
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