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https://www.readbyqxmd.com/read/28637246/effect-of-psilocybin-on-empathy-and-moral-decision-making
#1
Thomas Pokorny, Katrin H Preller, Michael Kometer, Isabel Dziobek, Franz X Vollenweider
Background: Impaired empathic abilities lead to severe negative social consequences and influence the development and treatment of several psychiatric disorders. Furthermore, empathy has been shown to play a crucial role in moral and prosocial behaviour. Although the serotonin (5-HT) system has been implicated in modulating empathy and moral behaviour, the relative contribution of the various 5-HT receptor subtypes is still unknown. Methods: We investigated the acute effect of psilocybin (0...
June 16, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28635107/new-space-time-metaphors-foster-new-nonlinguistic-representations
#2
Rose K Hendricks, Lera Boroditsky
What is the role of language in constructing knowledge? In this article, we ask whether learning new relational language can create new ways of thinking. In Experiment 1, we taught English speakers to talk about time using new vertical linguistic metaphors, saying things like "breakfast is above dinner" or "breakfast is below dinner" (depending on condition). In Experiment 2, rather than teaching people new metaphors, we relied on the left-right representations of time that our American college student participants have already internalized through a lifetime of visuospatial experience reading and writing text from left to right...
June 21, 2017: Topics in Cognitive Science
https://www.readbyqxmd.com/read/28634447/the-moving-rubber-hand-illusion-reveals-that-explicit-sense-of-agency-for-tapping-movements-is-preserved-in-functional-movement-disorders
#3
Angela Marotta, Federica Bombieri, Massimiliano Zampini, Federico Schena, Carlo Dallocchio, Mirta Fiorio, Michele Tinazzi
Functional movement disorders (FMD) are characterized by motor symptoms (e.g., tremor, gait disorder, and dystonia) that are not compatible with movement abnormalities related to a known organic cause. One key clinical feature of FMD is that motor symptoms are similar to voluntary movements but are subjectively experienced as involuntary by patients. This gap might be related to abnormal self-recognition of bodily action, which involves two main components: sense of agency and sense of body ownership. The aim of this study was to systematically investigate whether this function is altered in FMD, specifically focusing on the subjective feeling of agency, body ownership, and their interaction during normal voluntary movements...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28633619/the-affect-misattribution-procedure
#4
Sarah Teige-Mocigemba, Manuel Becker, Jeffrey W Sherman, Regina Reichardt, Karl Christoph Klauer
The Affect Misattribution Procedure (AMP) has been forwarded as one of the most promising alternatives to the Implicit Association Test and the evaluative-priming task for measuring attitudes such as prejudice indirectly. We investigated whether the AMP is indeed able to detect an evaluative out-group bias. In contrast to recent conclusions about the robustness of AMP effects, six out of seven pilot studies indicated that participants did not show any prejudice effects in the AMP. Yet, these pilot studies were not fully conclusive with regard to our research question because they investigated different domains of prejudice, used small sample sizes, and employed a modified AMP version...
May 2017: Experimental Psychology
https://www.readbyqxmd.com/read/28632779/base-rate-sensitivity-through-implicit-learning
#5
Andrew J Wismer, Corey J Bohil
Two experiments assessed the contributions of implicit and explicit learning to base-rate sensitivity. Using a factorial design that included both implicit and explicit learning disruptions, we tested the hypothesis that implicit learning underlies base-rate sensitivity from experience (and that explicit learning contributes comparatively little). Participants learned to classify two categories of simple stimuli (bar graph heights) presented in a 3:1 base-rate ratio. Participants learned either from "observational" training to disrupt implicit learning or "response" training which supports implicit learning...
2017: PloS One
https://www.readbyqxmd.com/read/28632752/learning-to-exploit-a-hidden-predictor-in-skill-acquisition-tight-linkage-to-conscious-awareness
#6
Randy Tran, Harold Pashler
It is often assumed that implicit learning of skills based on predictive relationships proceeds independently of awareness. To test this idea, four groups of subjects played a game in which a fast-moving "demon" made a brief appearance at the bottom of the computer screen, then disappeared behind a V-shaped occluder, and finally re-appeared briefly on either the upper-left or upper-right quadrant of the screen. Points were scored by clicking on the demon during the final reappearance phase. Demons differed in several visible characteristics including color, horn height and eye size...
2017: PloS One
https://www.readbyqxmd.com/read/28632746/body-part-compatibility-effects-are-modulated-by-the-tendency-for-women-to-experience-negative-social-comparative-emotions-and-the-body-type-of-the-model
#7
Eva Pila, Kimberely Jovanov, Timothy N Welsh, Catherine M Sabiston
Although exposure to physique-salient media images of women's bodies has been consistently linked with negative psychological consequences, little is known about the cognitive processes that lead to these negative effects. The present study employed a novel adaptation of a computerized response time (RT) task to (i) assess implicit cognitive processing when exposed to the body of another individual, and (ii) examine individual differences in social comparative emotions that may influence the cognitive processing of human bodies...
2017: PloS One
https://www.readbyqxmd.com/read/28632017/correlation-of-iso-16840-2-2007-impact-damping-and-hysteresis-measures-for-a-sample-of-wheelchair-seating-cushions
#8
Susan J Hillman, James Hollington, Neil Crossan, Carmen Torres-Sánchez
Hysteresis and impact damping measures were made on 37 wheelchair seating cushions according to ISO 16840-2:2007 Wheelchair seating-Part 2: Determination of physical and mechanical characteristics of devices intended to manage tissue integrity-seat cushions. These measures were then correlated using Spearman and Pearson correlations to investigate the relationship between them. Correlations were also conducted on the subset of cushions comprising only those with planar foam construction. Correlation between the hysteresis measures (h250 and h500) and the mean number of rebounds greater in amplitude than 10% of the peak acceleration amplitude (R10%) were weak, as were the correlations between the hysteresis measures and the mean peak first rebound acceleration (aa)...
February 7, 2017: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/28631331/missing-data-in-clinical-trials-control-based-mean-imputation-and-sensitivity-analysis
#9
Devan V Mehrotra, Fang Liu, Thomas Permutt
In some randomized (drug versus placebo) clinical trials, the estimand of interest is the between-treatment difference in population means of a clinical endpoint that is free from the confounding effects of "rescue" medication (e.g., HbA1c change from baseline at 24 weeks that would be observed without rescue medication regardless of whether or when the assigned treatment was discontinued). In such settings, a missing data problem arises if some patients prematurely discontinue from the trial or initiate rescue medication while in the trial, the latter necessitating the discarding of post-rescue data...
June 20, 2017: Pharmaceutical Statistics
https://www.readbyqxmd.com/read/28630414/predicting-the-reliability-of-drug-target-interaction-predictions-with-maximum-coverage-of-target-space
#10
Antonio Peón, Stefan Naulaerts, Pedro J Ballester
Many computational methods to predict the macromolecular targets of small organic molecules have been presented to date. Despite progress, target prediction methods still have important limitations. For example, the most accurate methods implicitly restrict their predictions to a relatively small number of targets, are not systematically validated on drugs (whose targets are harder to predict than those of non-drug molecules) and often lack a reliability score associated with each predicted target. Here we present a systematic validation of ligand-centric target prediction methods on a set of clinical drugs...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28630158/computational-studies-of-peptide-induced-membrane-pore-formation
#11
REVIEW
Richard Lipkin, Themis Lazaridis
A variety of peptides induce pores in biological membranes; the most common ones are naturally produced antimicrobial peptides (AMPs), which are small, usually cationic, and defend diverse organisms against biological threats. Because it is not possible to observe these pores directly on a molecular scale, the structure of AMP-induced pores and the exact sequence of steps leading to their formation remain uncertain. Hence, these questions have been investigated via molecular modelling. In this article, we review computational studies of AMP pore formation using all-atom, coarse-grained, and implicit solvent models; evaluate the results obtained and suggest future research directions to further elucidate the pore formation mechanism of AMPs...
August 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28629650/the-directionality-of-distinctively-mathematical-explanations
#12
Carl F Craver, Mark Povich
In "What Makes a Scientific Explanation Distinctively Mathematical?" (2013b), Lange uses several compelling examples to argue that certain explanations for natural phenomena appeal primarily to mathematical, rather than natural, facts. In such explanations, the core explanatory facts are modally stronger than facts about causation, regularity, and other natural relations. We show that Lange's account of distinctively mathematical explanation is flawed in that it fails to account for the implicit directionality in each of his examples...
June 2017: Studies in History and Philosophy of Science
https://www.readbyqxmd.com/read/28628316/soft-sphere-continuum-solvation-in-electronic-structure-calculations
#13
Giuseppe Fisicaro, Luigi Genovese, Oliviero Andreussi, Sagarmoy Mandal, Nisanth N Nair, Nicola Marzari, Stefan Goedecker
We present an implicit solvation approach where the interface between the quantum-mechanical solute and the surrounding environment is described by a fully continuous permittivity built up with atomic-centered ``soft'' spheres. This approach combines many of the advantages of the self-consistent continuum solvation model in handling solutes and surfaces in contact with complex dielectric environments or electrolytes in electronic-structure calculations. In addition it is able to describe accurately both neutral and charged systems...
June 19, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/28627313/an-integrative-theoretical-model-of-public-support-for-ex-offender-reentry
#14
Candalyn B Rade, Sarah L Desmarais, Jeni L Burnette
Prior research suggests that public and ex-offender characteristics are associated with attitudes toward ex-offenders and support for their reentry; however, research examining reasons for these associations is limited. Research also is limited on the association between attitudes toward ex-offenders generally, and support for their reentry, specifically. Implicit theory offers a new approach to explaining public attitudes through beliefs in the fixed or malleable nature of people (i.e., mindsets). We developed and tested an integrative model applying implicit theory to investigate mechanisms through which beliefs explain support for reentry...
June 1, 2017: International Journal of Offender Therapy and Comparative Criminology
https://www.readbyqxmd.com/read/28625081/integration-of-action-and-size-perception-through-practice
#15
Alexandre Coutte, Thomas Camus, Loïc Heurley, Denis Brouillet
Size perception is known to influence our usual interactions with environment. Numerous studies highlighted that during the visual presentation of an object, the properties of manual actions vary as a function of this object's size. In order to better understand the dynamic variations of relationships between size perception and action, we used an experimental paradigm consisting in two phases. During a previous implicit learning phase, a manual response (right or left) was specifically associated with the appearance of a large or small stimulus...
January 1, 2017: Perception
https://www.readbyqxmd.com/read/28623756/longitudinal-investigation-into-implicit-stigma-of-epilepsy-among-japanese-medical-students-before-and-after-mass-media-coverage-of-car-accidents-associated-with-people-with-epilepsy
#16
Chizuko Nagamori, Keiko Hara, Katsuya Ohta, Miho Akaza, Yuki Sumi
OBJECTIVE: Public attitudes and stigma toward epilepsy may limit patient motivation for treatment and participation in social activities. Stigma research requiring individuals to report personal beliefs is useful but is subject to social desirability bias. Self-reporting methods often do not capture implicit attitudes; therefore, in this study, implicit stigma was measured using the implicit association test (IAT), which is a word sorting task to minimize this bias. Recently, in Japan, several serious car accidents caused by people with epilepsy (PWE) resulted in pedestrian fatalities...
June 14, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28623510/the-implication-of-neuronimmunoendocrine-nie-modulatory-network-in-the-pathophysiologic-process-of-parkinson-s-disease
#17
REVIEW
Yan Shen, Xingfang Guo, Chao Han, Fang Wan, Kai Ma, Shiyi Guo, Luxi Wang, Yun Xia, Ling Liu, Zhicheng Lin, Jinsha Huang, Nian Xiong, Tao Wang
Parkinson's disease (PD) is a progressive neurodegenerative disorder implicitly marked by the substantia nigra dopaminergic neuron degeneration and explicitly characterized by the motor and non-motor symptom complexes. Apart from the nigrostriatal dopamine depletion, the immune and endocrine study findings are also frequently reported, which, in fact, have helped to broaden the symptom spectrum and better explain the pathogenesis and progression of PD. Nevertheless, based on the neural, immune, and endocrine findings presented above, it is still difficult to fully recapitulate the pathophysiologic process of PD...
June 16, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28623404/action-effects-enhance-explicit-sequential-learning
#18
Sarah Esser, Hilde Haider
Different studies have shown that action-effect associations seem to enhance implicit learning of motor sequences. In a recent study (Haider et al., Conscious Cognit 26:145-161, 2014), we found indications that action-effect learning might play a special role in acquiring explicit knowledge within an implicit learning situation. The current study aims at directly manipulating the action-effect contingencies in a Serial Reaction Time Task and examining its impact on explicit sequence knowledge. For this purpose, we created a situation in which the participants' responses led to a melodic tone sequence...
June 16, 2017: Psychological Research
https://www.readbyqxmd.com/read/28623317/prediction-of-lncrna-protein-interactions-using-hetesim-scores-based-on-heterogeneous-networks
#19
Yun Xiao, Jingpu Zhang, Lei Deng
Massive studies have indicated that long non-coding RNAs (lncRNAs) are critical for the regulation of cellular biological processes by binding with RNA-related proteins. However, only a few experimentally supported lncRNA-protein associations have been reported. Existing network-based methods are typically focused on intrinsic features of lncRNA and protein but ignore the information implicit in the topologies of biological networks associated with lncRNAs. Considering the limitations in previous methods, we propose PLPIHS, an effective computational method for Predicting lncRNA-Protein Interactions using HeteSim Scores...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28622975/implicit-versus-explicit-attitude-to-doping-which-better-predicts-athletes-vigilance-towards-unintentional-doping
#20
Derwin King Chung Chan, David A Keatley, Tracy C W Tang, James A Dimmock, Martin S Hagger
OBJECTIVES: This preliminary study examined whether implicit doping attitude, explicit doping attitude, or both, predicted athletes' vigilance towards unintentional doping. DESIGN: A cross-sectional correlational design. METHODS: Australian athletes (N=143;Mage=18.13, SD=4.63) completed measures of implicit doping attitude (brief single-category implicit association test), explicit doping attitude (Performance Enhancement Attitude Scale), avoidance of unintentional doping (Self-Reported Treatment Adherence Scale), and behavioural vigilance task of unintentional doping (reading the ingredients of an unfamiliar food product)...
June 2, 2017: Journal of Science and Medicine in Sport
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