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https://www.readbyqxmd.com/read/28734549/habitual-versus-goal-driven-attention
#1
REVIEW
Yuhong V Jiang
Recent research has expanded the list of factors that control spatial attention. Beside current goals and perceptual salience, statistical learning, reward, motivation and emotion also affect attention. But do these various factors influence spatial attention in the same manner, as suggested by the integrated framework of attention, or do they target different aspects of spatial attention? Here I present evidence that the control of attention may be implemented in two ways. Whereas current goals typically modulate where in space attention is prioritized, search habits affect how one moves attention in space...
July 4, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28733881/a-dft-study-of-hydrogen-and-methane-activation-by-b-c6f5-3-p-t-bu-3-and-al-c6f5-3-p-t-bu-3-frustrated-lewis-pairs
#2
Nery Villegas-Escobar, Alejandro Toro-Labbé, Marcos Becerra, Misael Real-Enriquez, Jose R Mora, Luis Rincon
This contribution presents a computational study aimed at understanding factors affecting barriers associated with the activation of the H-H bond in molecular hydrogen and the H-CH3 bond in methane mediated by intermolecular Frustrated Lewis Pairs (FLPs). The classical phosphine P(t-Bu)3 Lewis base in conjunction with two Lewis acids, B(C6F5)3 and Al(C6F5)3, were used as representative models of intermolecular FLPs. DFT calculations were performed using the dispersion corrected ωB97x-D functional, including toluene as a solvent through the PCM-SMD implicit solvent scheme...
August 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28733248/pupil-dilations-induced-by-barely-conscious-reward-goal-priming
#3
Yudai Takarada, Daichi Nozaki
The topic of unconscious influences on behavior has long been explored as a way of understanding human performance and the neurobiological correlates of intention, motivation and action. Previous research using transcranial magnetic stimulation has demonstrated that barely visible priming of an action concept, when combined with reward in the form of a consciously perceived positive stimulus, can alter the state of the motor system and enhance the maximal voluntary force level. One possible explanation is that positive stimulus-induced reward signals are processed by the dopaminergic system in the basal ganglia, motivating individuals to increase the effort they invest in particular behaviors, or to recruit the resources necessary for maintaining those behaviors...
July 18, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28730431/protocols-for-molecular-dynamics-simulations-of-rna-nanostructures
#4
Taejin Kim, Wojciech K Kasprzak, Bruce A Shapiro
Molecular dynamics (MD) simulations have been used as one of the main research tools to study a wide range of biological systems and bridge the gap between X-ray crystallography or NMR structures and biological mechanism. In the field of RNA nanostructures, MD simulations have been used to fix steric clashes in computationally designed RNA nanostructures, characterize the dynamics, and investigate the interaction between RNA and other biomolecules such as delivery agents and membranes.In this chapter we present examples of computational protocols for molecular dynamics simulations in explicit and implicit solvent using the Amber Molecular Dynamics Package...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28728547/community-based-initiatives-improving-critical-health-literacy-a-systematic-review-and-meta-synthesis-of-qualitative-evidence
#5
Liesbeth de Wit, Christine Fenenga, Cinzia Giammarchi, Lucia di Furia, Inge Hutter, Andrea de Winter, Louise Meijering
BACKGROUND: Critical health literacy enables older adults to make informed health decisions and take actions for the health and wellbeing of themselves and their community, within their own social and cultural context. A community-based approach has the potential to improve the critical health literacy of older adults and their communities. However, it is not clear how such initiatives consider critical health literacy. Therefore, this study explored how community-based initiatives address the critical health literacy of older adults and their communities...
July 20, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28727577/nurses-exploring-the-spirituality-of-their-patients-with-cancer-participant-observation-on-a-medical-oncology-ward
#6
Jacqueline van Meurs, Wim Smeets, Kris C P Vissers, Marieke Groot, Yvonne Engels
BACKGROUND: Attention for spirituality should be an integral part of professionals' caregiving. Particularly, nurses caring for patients with cancer might have opportunities to give attention to this dimension. OBJECTIVE: The aim of this study was to gain insight in the way and extent to which nurses during daily caregiving observe and explore spiritual issues of hospitalized patients with cancer. METHODS: We performed an ethnographic study with participant observation...
July 19, 2017: Cancer Nursing
https://www.readbyqxmd.com/read/28726935/strength-character-and-directionality-of-halogen-bonds-involving-cationic-halogen-bond-donors
#7
Kevin E Riley, Khanh-An Tran
Halogen bonds involving cationic halogen bond donors and anionic halogen bond acceptors have recently been recognized as being important in stabilizing the crystal structures of many salts. Theoretical characterization of these types of interactions, most importantly in terms of their directionality, has been limited. Here we generate high-quality symmetry adapted perturbation theory potential energy curves of a H3N-C[triple bond, length as m-dash]C-Br(+)Cl(-) model system in order to characterize halogen bonds involving charged species, in terms of contributions from electrostatics, exchange, induction, and dispersion, with special emphasis on analyzing contributions that are most responsible for the directionality of these interactions...
July 20, 2017: Faraday Discussions
https://www.readbyqxmd.com/read/28726470/child-sun-safety-application-of-an-integrated-behavior-change-model
#8
Kyra Hamilton, Aaron Kirkpatrick, Amanda Rebar, Martin S Hagger
OBJECTIVE: Childhood sun exposure increases risk of skin cancer in later life. Parents of young children play an important role in minimizing childhood sun exposure. The aim of the current study was to identify the motivational, volitional, and implicit antecedents of parents' sun-protective behaviors based on an Integrated Behavior Change model. METHOD: Parents (N = 373) of 2- to 5-year-old children self-reported their intentions, attitudes, subjective norm, perceived behavioral control, autonomous and controlled motivation, action plans, habit, and past behaviors with respect to sun-protective behaviors for their children...
July 20, 2017: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
https://www.readbyqxmd.com/read/28726438/superior-pattern-detectors-efficiently-learn-activate-apply-and-update-social-stereotypes
#9
David J Lick, Adam L Alter, Jonathan B Freeman
Superior cognitive abilities are generally associated with positive outcomes such as academic achievement and social mobility. Here, we explore the darker side of cognitive ability, highlighting robust links between pattern detection and stereotyping. Across 6 studies, we find that superior pattern detectors efficiently learn and use stereotypes about social groups. This pattern holds across explicit (Studies 1 and 2), implicit (Studies 2 and 4), and behavioral measures of stereotyping (Study 3). We also find that superior pattern detectors readily update their stereotypes when confronted with new information (Study 5), making them particularly susceptible to counterstereotype training (Study 6)...
July 20, 2017: Journal of Experimental Psychology. General
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/28724982/primary-phonological-planning-units-in-spoken-word-production-are-language-specific-evidence-from-an-erp-study
#11
Jie Wang, Andus Wing-Kuen Wong, Suiping Wang, Hsuan-Chih Chen
It is widely acknowledged in Germanic languages that segments are the primary planning units at the phonological encoding stage of spoken word production. Mixed results, however, have been found in Chinese, and it is still unclear what roles syllables and segments play in planning Chinese spoken word production. In the current study, participants were asked to first prepare and later produce disyllabic Mandarin words upon picture prompts and a response cue while electroencephalogram (EEG) signals were recorded...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28721607/access-to-high-cost-cancer-medicines-through-the-lens-of-an-australian-senate-inquiry-defining-the-goods-at-stake
#12
Narcyz Ghinea, Miles Little, Wendy Lipworth
Cancer is a major burden on populations and health systems internationally. The development of innovative cancer medicines is seen as a significant part of the solution. These new cancer medicines are, however, expensive, leading to limited or delayed access and disagreements among stakeholders about which medicines to fund. There is no obvious resolution to these disagreements, with stakeholders holding firmly to divergent positions. Access to cancer medicines was recently explored in Australia in a Senate Inquiry into the Availability of New, Innovative, and Specialist Cancer Drugs in Australia...
July 18, 2017: Journal of Bioethical Inquiry
https://www.readbyqxmd.com/read/28720240/collaboration-in-discharge-planning-in-relation-to-an-implicit-framework
#13
Angela Bångsbo, Anna Dunér, Synneve Dahlin-Ivanoff, Eva Lidén
No abstract text is available yet for this article.
August 2017: Applied Nursing Research: ANR
https://www.readbyqxmd.com/read/28720087/resident-perceptions-of-the-impact-of-duty-hour-restrictions-on-resident-attending-interactions-an-exploratory-study
#14
Kristen A Gerjevic, Marcy E Rosenbaum, Manish Suneja
BACKGROUND: The institution of duty hour reforms by the Accreditation Council for Graduate Medical Education in 2003 has created a learning environment where residents are consistently looking for input from attending physicians with regards to balancing duty hour regulations and providing quality patient care. There is a paucity of literature regarding resident perceptions of attending physician actions or attitudes towards work hour restrictions. The purpose of this study was to identify attending physician behaviors that residents perceived as supportive or unsupportive of their compliance with duty hour regulations...
July 18, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28719661/minimizing-endpoint-variability-through-reinforcement-learning-during-reaching-movements-involving-shoulder-elbow-and-wrist
#15
David Marc Anton Mehler, Alexandra Reichenbach, Julius Klein, Jörn Diedrichsen
Reaching movements are comprised of the coordinated action across multiple joints. The human skeleton is redundant for this task because different joint configurations can lead to the same endpoint in space. How do people learn to use combinations of joints that maximize success in goal-directed motor tasks? To answer this question, we used a 3-degree-of-freedom manipulandum to measure shoulder, elbow and wrist joint movements during reaching in a plane. We tested whether a shift in the relative contribution of the wrist and elbow joints to a reaching movement could be learned by an implicit reinforcement regime...
2017: PloS One
https://www.readbyqxmd.com/read/28718868/-implicit-associations-with-death-first-validation-of-the-german-version-of-the-suicide-implicit-association-test-suicide-iat
#16
Dajana Rath, Nina Hallensleben, Heide Glaesmer, Lena Spangenberg, Maria Strauss, Anette Kersting, Tobias Teismann, Thomas Forkmann
Nock, Park, Finn, et al. 1 developed an implicit association test for suicide (suicide IAT) measuring the implicit association between 'death' and 'self'. They demonstrated that psychiatric patients, who already attempted suicide, showed stronger implicit associations with 'death' than with 'life' compared to patients without suicide attempt history. The present study had 2 aims: (1) to present a new German version of the suicide IAT and provide its first validation and (2) to investigate how implicit associations (suicide IAT) relate to suicidal ideation and behaviour, well-known risk factors such as depressiveness and hopelessness, and central concepts of the Interpersonal Theory of Suicide 2, Thwarted Belongingness and Perceived Burdensomeness...
June 29, 2017: Psychotherapie, Psychosomatik, Medizinische Psychologie
https://www.readbyqxmd.com/read/28717158/neural-processing-of-biological-motion-in-autism-an-investigation-of-brain-activity-and-effective-connectivity
#17
Kaat Alaerts, Stephan P Swinnen, Nicole Wenderoth
The superior temporal sulcus (STS) forms a key region for social information processing and disruptions of its function have been associated with socio-communicative impairments characteristic of autism spectrum disorders (ASD). Task-based fMRI was applied in 15 adults with ASD and 15 matched typical-controls (TC) to explore differences in activity and effective connectivity of STS while discriminating either 'intact' versus 'scrambled' biological motion point light displays (explicit processing) or responding to a color-change while the 'intact' versus 'scrambled' nature of the stimulus was irrelevant for the task (implicit processing)...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28716588/cathodal-transcranial-direct-current-stimulation-of-the-extrastriate-visual-cortex-modulates-implicit-anti-fat-bias-in-male-but-not-female-participants
#18
Valentina Cazzato, Stergios Makris, Cosimo Urgesi
Explicit negative attitudes toward obese individuals are well documented and seem to modulate the activity of perceptual areas, such as the Extrastriate Body Area (EBA) in the lateral occipito-temporal cortex, which is critical for body-shape perception. Nevertheless, it is still unclear whether EBA serves a role in implicit weight-stereotypical bias, thus reflecting stereotypical trait attribution on the basis of perceptual cues. Here, we used an Implicit Association Test (IAT) to investigate whether applying transcranial direct current stimulation (tDCS) over bilateral extrastriate visual cortex reduces pre-existing implicit weight stereotypical associations (i...
July 14, 2017: Neuroscience
https://www.readbyqxmd.com/read/28716511/an-ensemble-predictive-modeling-framework-for-breast-cancer-classification
#19
Radhakrishnan Nagarajan, Meenakshi Upreti
Molecular changes often precede clinical presentation of diseases and can be useful surrogates with potential to assist in informed clinical decision making. Recent studies have demonstrated the usefulness of modeling approaches such as classification that can predict the clinical outcomes from molecular expression profiles. While useful, a majority of these approaches implicitly use all molecular markers as features in the classification process often resulting in sparse high-dimensional projection of the samples often comparable to that of the sample size...
July 15, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28716392/the-amount-of-recent-action-outcome-coupling-modulates-the-mechanisms-of-the-intentional-binding-effect-a-behavioral-and-erp-study
#20
Michael Goldberg, Niko Busch, Elke van der Meer
Our everyday interactions depend on the ability to maintain a feeling of control over our bodily actions, that is, the sense of agency. The intentional binding effect - a perceived temporal shortening between voluntary actions and sensory outcomes - has been shown to implicitly measure agency. We investigated the effect's underlying mechanisms: prediction and retrospective inference. First, long-term and recent action-outcome coupling were compared. Second, brain activity was recorded to uncover the neural correlates of the two mechanisms...
July 14, 2017: Consciousness and Cognition
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