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https://www.readbyqxmd.com/read/28230091/the-integration-of-color-selective-mechanisms-in-symmetry-detection
#1
Chia-Ching Wu, Chien-Chung Chen
We studied how the visual system detects multicolor symmetric patterns by manipulating the number of colors in an image in both isoluminance and luminance conditions. With a two-interval forced choice noise masking paradigm, we presented a noise mask in both intervals of each trial. A vertically symmetric target was randomly presented in one interval while a noise control was presented in the other. The task of the observers was to determine which interval contained the target. The target detection threshold was measured at various noise mask densities, which was found to decrease 1...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28228515/intrafamily-and-intragenomic-conflicts-in-human-warfare
#2
Alberto J C Micheletti, Graeme D Ruxton, Andy Gardner
Recent years have seen an explosion of multidisciplinary interest in ancient human warfare. Theory has emphasized a key role for kin-selected cooperation, modulated by sex-specific demography, in explaining intergroup violence. However, conflicts of interest remain a relatively underexplored factor in the evolutionary-ecological study of warfare, with little consideration given to which parties influence the decision to go to war and how their motivations may differ. We develop a mathematical model to investigate the interplay between sex-specific demography and human warfare, showing that: the ecology of warfare drives the evolution of sex-biased dispersal; sex-biased dispersal modulates intrafamily and intragenomic conflicts in relation to warfare; intragenomic conflict drives parent-of-origin-specific patterns of gene expression-i...
February 22, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28225838/-mental-simulation-in-frontotemporal-dementia
#3
Daniel G Politis, Wanda Y Rubinstein, María E Tabernero
: There is a common network for perception and execution of actions necessary for the acquisition of Theory of Mind, and the mirror neuron system could be the neural substrate. OBJECTIVE: To study the presence of apraxia and their relationship to Theory of Mind in patients with behavioral variant of Frontotemporal Dementia. METHODS: 24 patients were assessed, and the cognitive praxis assessment battery and theory of mind were administered...
May 2016: Vertex: Revista Argentina de Psiquiatriá
https://www.readbyqxmd.com/read/28225447/environmental-market-factors-associated-with-electronic-health-record-adoption-among-cancer-hospitals
#4
Will L Tarver, Nir Menachemi
BACKGROUND: Although recent literature has explored the relationship between various environmental market characteristics and the adoption of electronic health records (EHRs) among general, acute care hospitals, no such research currently exists for specialty hospitals, including those providing cancer care. PURPOSE: The aim of the study was to examine the relationship between market characteristics and the adoption of EHRs among Commission on Cancer (CoC)-accredited hospitals...
February 22, 2017: Health Care Management Review
https://www.readbyqxmd.com/read/28224029/designing-clinical-and-genetic-guidelines-of-colorectal-cancer-screening-as-an-effective-roadmap-for-risk-management
#5
Mohammad Reza Zali, Reza Safdari, Elham Maserat, Hamid Asadzadeh Aghdaei
AIM: We aimed to present clinical and genetic guidelines of colorectal cancer screening for risk assessment of populations at risk. BACKGROUND: National guidelines can be used as a guide for choosing the method of screening for each individual. These guidelines facilitate decision making and support the delivery of cancer screening service. METHODS: In the first step, a comparative study was performed by using secondary data extracted from the literature review...
December 2016: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28223852/injured-workers-perception-of-loss-and-gain-in-the-return-to-work-process
#6
Hon Sun Lai, Grace Py Szeto, Chetwyn Ch Chan
When a worker is injured at work, he has to face a tough decision-making process about when and how to return to work (RTW). This study tests how the prospect theory can be applied to influence the injured workers' perceptions about this important choice. One hundred forty-one injured workers were presented with wage- and pain-related information in four different message framing (negatively or positively) and precision (smaller or larger number) conditions. After exposure to the specific combination of this wage and pain information, the participants were asked to express intentions to RTW in terms of perceived chance, confidence, and anticipated sick leave duration...
2017: Risk Management and Healthcare Policy
https://www.readbyqxmd.com/read/28219729/basing-assessment-and-treatment-of-problem-behavior-on-behavioral-momentum-theory-analyses-of-behavioral-persistence
#7
REVIEW
Kelly M Schieltz, David P Wacker, Joel E Ringdahl, Wendy K Berg
The connection, or bridge, between applied and basic behavior analysis has been long-established (Hake, 1982; Mace & Critchfield, 2010). In this article, we describe how clinical decisions can be based more directly on behavioral processes and how basing clinical procedures on behavioral processes can lead to improved clinical outcomes. As a case in point, we describe how applied behavior analyses of maintenance, and specifically the long-term maintenance of treatment effects related to problem behavior, can be adjusted and potentially enhanced by basing treatment on Behavioral Momentum Theory...
February 17, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28215896/economic-trade-offs-between-genetic-improvement-and-longevity-in-dairy-cattle
#8
A De Vries
Genetic improvement in sires used for artificial insemination (AI) is increasing faster compared with a decade ago. The genetic merit of replacement heifers is also increasing faster and the genetic lag with older cows in the herd increases. This may trigger greater cow culling to capture this genetic improvement. On the other hand, lower culling rates are often viewed favorably because the costs and environmental effects of maintaining herd size are generally lower. Thus, there is an economic trade-off between genetic improvement and longevity in dairy cattle...
February 16, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28214167/psychometric-evaluation-and-design-of-patient-centered-communication-measures-for-cancer-care-settings
#9
Bryce B Reeve, David M Thissen, Carla M Bann, Nicole Mack, Katherine Treiman, Hanna K Sanoff, Nancy Roach, Brooke E Magnus, Jason He, Laura K Wagner, Rebecca Moultrie, Kathryn D Jackson, Courtney Mann, Lauren A McCormack
OBJECTIVE: To evaluate the psychometric properties of questions that assess patient perceptions of patient-provider communication and design measures of patient-centered communication (PCC). METHODS: Participants (adults with colon or rectal cancer living in North Carolina) completed a survey at 2 to 3 months post-diagnosis. The survey included 87 questions in six PCC Functions: Exchanging Information, Fostering Health Relationships, Making Decisions, Responding to Emotions, Enabling Patient Self-Management, and Managing Uncertainty...
February 10, 2017: Patient Education and Counseling
https://www.readbyqxmd.com/read/28212112/cancer-as-robust-intrinsic-state-shaped-by-evolution-a-key-issues-review
#10
Ruoshi Yuan, Xiaomei Zhu, Gaowei Wang, Site Li, Ping Ao
Cancer is a complex disease: its pathology cannot be properly understood in terms of independent players-genes, proteins, molecular pathways, or their simple combinations. This is similar to many-body physics of a condensed phase that many important properties are not determined by a single atom or molecule. The rapidly accumulating large 'omics' data also require a new mechanistic and global underpinning to organize for rationalizing cancer complexity. A unifying and quantitative theory was proposed by some of the present authors that cancer is a robust state formed by the endogenous molecular-cellular network, which is evolutionarily built for the developmental processes and physiological functions...
February 17, 2017: Reports on Progress in Physics
https://www.readbyqxmd.com/read/28211086/variation-of-the-rates-of-necrotising-enterocolitis-in-the-neonatal-networks-in-england
#11
Nicholas T Longford
Necrotising enterocolitis is an oft-fatal disease of the intestinal tract in neonates born prematurely and with low birthweight. We study the variation of its rates across the neonatal networks (groups of hospital-based neonatal care units) in England. We illustrate the problematic nature of hypothesis testing for a key decision, which an analysis is meant to inform, and apply an approach based on decision theory. We emphasise the role of sensitivity analysis in dealing with the ambiguity encountered in the process of eliciting information about the perspective of the client or sponsor for whom the analysis is conducted...
February 17, 2017: Statistics in Medicine
https://www.readbyqxmd.com/read/28210999/computational-cognitive-modeling-of-the-temporal-dynamics-of-fatigue-from-sleep-loss
#12
Matthew M Walsh, Glenn Gunzelmann, Hans P A Van Dongen
Computational models have become common tools in psychology. They provide quantitative instantiations of theories that seek to explain the functioning of the human mind. In this paper, we focus on identifying deep theoretical similarities between two very different models. Both models are concerned with how fatigue from sleep loss impacts cognitive processing. The first is based on the diffusion model and posits that fatigue decreases the drift rate of the diffusion process. The second is based on the Adaptive Control of Thought - Rational (ACT-R) cognitive architecture and posits that fatigue decreases the utility of candidate actions leading to microlapses in cognitive processing...
February 16, 2017: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/28208447/influence-of-trust-in-the-spreading-of-information
#13
Hongrun Wu, Alex Arenas, Sergio Gómez
The understanding and prediction of information diffusion processes on networks is a major challenge in network theory with many implications in social sciences. Many theoretical advances occurred due to stochastic spreading models. Nevertheless, these stochastic models overlooked the influence of rational decisions on the outcome of the process. For instance, different levels of trust in acquaintances do play a role in information spreading, and actors may change their spreading decisions during the information diffusion process accordingly...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28199835/rapid-automatic-motor-encoding-of-competing-reach-options
#14
Jason P Gallivan, Brandie M Stewart, Lee A Baugh, Daniel M Wolpert, J Randall Flanagan
Mounting neural evidence suggests that, in situations in which there are multiple potential targets for action, the brain prepares, in parallel, competing movements associated with these targets, prior to implementing one of them. Central to this interpretation is the idea that competing viewed targets, prior to selection, are rapidly and automatically transformed into corresponding motor representations. Here, by applying target-specific, gradual visuomotor rotations and dissociating, unbeknownst to participants, the visual direction of potential targets from the direction of the movements required to reach the same targets, we provide direct evidence for this provocative idea...
February 14, 2017: Cell Reports
https://www.readbyqxmd.com/read/28199426/-translating-hysteria-ptsd-dissociative-subtype
#15
Elena Levy Yeyati
To address the symptoms of depersonalization and derealization a specific dissociative subtype of posttraumatic stress disorder has been included in DSM-5. Depersonalization and derealization have been defined as acute and chronic symptoms of dissociative disorders since DSM-III. Dissociative disorders with chronic features are often diagnosed in North America, Canada and other European countries, but this is not the case in Argentina. Dissociative disorders have clinical and historical features that are strongly connected with hysteria...
March 2016: Vertex: Revista Argentina de Psiquiatriá
https://www.readbyqxmd.com/read/28195556/how-neuroscience-can-inform-the-study-of-individual-differences-in-cognitive-abilities
#16
Dennis J McFarland
Theories of human mental abilities should be consistent with what is known in neuroscience. Currently, tests of human mental abilities are modeled by cognitive constructs such as attention, working memory, and speed of information processing. These constructs are in turn related to a single general ability. However, brains are very complex systems and whether most of the variability between the operations of different brains can be ascribed to a single factor is questionable. Research in neuroscience suggests that psychological processes such as perception, attention, decision, and executive control are emergent properties of interacting distributed networks...
February 14, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/28195001/design-and-analysis-of-a-tendon-based-computed-tomography-compatible-robot-with-remote-center-of-motion-for-lung-biopsy
#17
Yunpeng Yang, Shan Jiang, Zhiyong Yang, Wei Yuan, Huaisu Dou, Wei Wang, Daguang Zhang, Yuan Bian
Nowadays, biopsy is a decisive method of lung cancer diagnosis, whereas lung biopsy is time-consuming, complex and inaccurate. So a computed tomography-compatible robot for rapid and precise lung biopsy is developed in this article. According to the actual operation process, the robot is divided into two modules: 4-degree-of-freedom position module for location of puncture point is appropriate for patient's almost all positions and 3-degree-of-freedom tendon-based orientation module with remote center of motion is compact and computed tomography-compatible to orientate and insert needle automatically inside computed tomography bore...
February 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28194721/determining-informative-priors-for-cognitive-models
#18
Michael D Lee, Wolf Vanpaemel
The development of cognitive models involves the creative scientific formalization of assumptions, based on theory, observation, and other relevant information. In the Bayesian approach to implementing, testing, and using cognitive models, assumptions can influence both the likelihood function of the model, usually corresponding to assumptions about psychological processes, and the prior distribution over model parameters, usually corresponding to assumptions about the psychological variables that influence those processes...
February 13, 2017: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/28193192/taking-care-of-oneself-by-regaining-control-a-key-to-continue-living-four-to-five-decades-after-a-suicide-attempt-in-severe-depression
#19
Lisa Crona, Margaretha Stenmarker, Agneta Öjehagen, Ulrika Hallberg, Louise Brådvik
BACKGROUND: Depression is a strong risk factor for suicide and suicide attempt. Several studies have examined the pathway to suicide attempt, but few studies have considered aspects important for overcoming being suicidal. The aim of the present study was to examine personal strategies to continue living after a suicide attempt. METHODS: A qualitative grounded theory approach was used. Thirteen former inpatients diagnosed with severe depression (1956-1969) participated in a follow-up 42-56 years after their last suicide attempt, which occurred between the ages of 21 and 45...
February 13, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28193174/using-theory-to-explore-facilitators-and-barriers-to-delayed-prescribing-in-australia-a-qualitative-study-using-the-theoretical-domains-framework-and-the-behaviour-change-wheel
#20
Lucy Sargent, Amanda McCullough, Chris Del Mar, John Lowe
BACKGROUND: Delayed antibiotic prescribing reduces antibiotic use for acute respiratory infections in trials in general practice, but the uptake in clinical practice is low. The aim of the study was to identify facilitators and barriers to general practitioners' (GPs') use of delayed prescribing and to gain pharmacists' and the public's views about delayed prescribing in Australia. METHODS: This study used the Theoretical Domains Framework and the Behaviour Change Wheel to explore facilitators and barriers to delayed prescribing in Australia...
February 13, 2017: BMC Family Practice
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