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Integrated information theory

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https://www.readbyqxmd.com/read/28438665/effective-connectivity-gateways-to-the-theory-of-mind-network-in-processing-communicative-intention
#1
Marco Tettamanti, Matilde M Vaghi, Bruno G Bara, Stefano F Cappa, Ivan Enrici, Mauro Adenzato
An Intention Processing Network (IPN), involving the medial prefrontal cortex, precuneus, bilateral posterior superior temporal sulcus, and temporoparietal junctions, plays a fundamental role in comprehending intentions underlying action goals. In a previous fMRI study, we showed that, depending on the linguistic or extralinguistic (gestural) modality used to convey the intention, the IPN is complemented by activation of additional brain areas, reflecting distinct modality-specific input gateways to the IPN...
April 21, 2017: NeuroImage
https://www.readbyqxmd.com/read/28434864/sensorimotor-representations-in-cerebellar-granule-cells-in-larval-zebrafish-are-dense-spatially-organized-and-non-temporally-patterned
#2
Laura D Knogler, Daniil A Markov, Elena I Dragomir, Vilim Štih, Ruben Portugues
A fundamental question in neurobiology is how animals integrate external sensory information from their environment with self-generated motor and sensory signals in order to guide motor behavior and adaptation. The cerebellum is a vertebrate hindbrain region where all of these signals converge and that has been implicated in the acquisition, coordination, and calibration of motor activity. Theories of cerebellar function postulate that granule cells encode a variety of sensorimotor signals in the cerebellar input layer...
April 14, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28432773/transition-of-the-functional-brain-network-related-to-increasing-cognitive-demands
#3
Karolina Finc, Kamil Bonna, Monika Lewandowska, Tomasz Wolak, Jan Nikadon, Joanna Dreszer, Włodzisław Duch, Simone Kühn
Network neuroscience provides tools that can easily be used to verify main assumptions of the global workspace theory (GWT), such as the existence of highly segregated information processing during effortless tasks performance, engagement of multiple distributed networks during effortful tasks and the critical role of long-range connections in workspace formation. A number of studies support the assumptions of GWT by showing the reorganization of the whole-brain functional network during cognitive task performance; however, the involvement of specific large scale networks in the formation of workspace is still not well-understood...
April 22, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28432446/biasing-spatial-attention-with-semantic-information-an-event-coding-approach
#4
Tarek Amer, Davood G Gozli, Jay Pratt
We investigated the influence of conceptual processing on visual attention from the standpoint of Theory of Event Coding (TEC). The theory makes two predictions: first, an important factor in determining the influence of event 1 on processing event 2 is whether features of event 1 are bound into a unified representation (i.e., selection or retrieval of event 1). Second, whether processing the two events facilitates or interferes with each other should depend on the extent to which their constituent features overlap...
April 21, 2017: Psychological Research
https://www.readbyqxmd.com/read/28428764/employee-age-alters-the-effects-of-justice-on-emotional-exhaustion-and-organizational-deviance
#5
Justin P Brienza, D Ramona Bobocel
Fairness in the workplace attenuates a host of negative individual and organizational outcomes. However, research on the psychology of aging challenges the assumption that fairness operates similarly across different age groups. The current research explored how older workers, vis-à-vis younger workers, react to perceptions of fairness. Integrating socioemotional selectivity theory and the multiple needs theory of organizational justice, we generated novel predictions regarding the relations between perceptions of workplace justice, emotional exhaustion, and employee deviance...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28428162/the-use-of-intervention-mapping-to-develop-a-tailored-web-based-intervention-condom-him
#6
Joyal Miranda, José Côté
BACKGROUND: Many HIV (human immunodeficiency virus) prevention interventions are currently being implemented and evaluated, with little information published on their development. A framework highlighting the method of development of an intervention can be used by others wanting to replicate interventions or develop similar interventions to suit other contexts and settings. It provides researchers with a comprehensive development process of the intervention. OBJECTIVE: The objective of this paper was to describe how a systematic approach, intervention mapping, was used to develop a tailored Web-based intervention to increase condom use among HIV-positive men who have sex with men...
April 19, 2017: JMIR Public Health and Surveillance
https://www.readbyqxmd.com/read/28427051/subjective-time-perceptions-and-aging-well-a-review-of-concepts-and-empirical-research-a-mini-review
#7
Martina Gabrian, Anne J Dutt, Hans-Werner Wahl
Human beings impose subjective, time-related interpretations on their existence, and the experience of time is a major aspect of lifespan development. In this mini-review, we understand subjective time as the way individuals subjectively perceive and evaluate the passing of their personal "objective" lifetime. A broad range of constructs and operationalizations has been developed in (gero-) psychology to capture subjective time, including future time perspective, personal goals, or autobiographical memories...
April 21, 2017: Gerontology
https://www.readbyqxmd.com/read/28425745/when-good-is-stickier-than-bad-understanding-gain-loss-asymmetries-in-sequential-framing-effects
#8
Jehan Sparks, Alison Ledgerwood
Considerable research has demonstrated the power of the current positive or negative frame to shape people's current judgments. But humans must often learn about positive and negative information as they encounter that information sequentially over time. It is therefore crucial to consider the potential importance of sequencing when developing an understanding of how humans think about valenced information. Indeed, recent work looking at sequentially encountered frames suggests that some frames can linger outside the context in which they are first encountered, sticking in the mind so that subsequent frames have a muted effect...
April 20, 2017: Journal of Experimental Psychology. General
https://www.readbyqxmd.com/read/28425119/mean-intercept-anisotropy-analysis-of-porous-media-i-analytic-formulae-for-anisotropic-boolean-models
#9
Michael A Klatt, Gerd E Schröder-Turk, Klaus Mecke
PURPOSE: Structure-property relations, which relate the shape of the microstructure to physical properties such as transport or mechanical properties, need sensitive measures of structure. What are suitable fabric tensors to quantify the shape of anisotropic heterogeneous materials? The mean intercept length is among the most commonly used characteristics of anisotropy in porous media, for example, of trabecular bone in medical physics. METHODS: We analyze the orientation-biased Boolean model, a versatile stochastic model that represents microstructures as overlapping grains with an orientation bias towards a preferred direction...
April 20, 2017: Medical Physics
https://www.readbyqxmd.com/read/28401826/establishing-theoretical-stability-and-treatment-integrity-for-motivational-interviewing
#10
Cathy Atkinson, Kevin Woods
BACKGROUND: There is increasing evidence claiming the effectiveness of motivational interviewing (MI) in promoting behavioural change. However, ongoing changes to MI theory and practice have implications for its transferability, accessibility and for the validity of previous findings. Lack of practice consistency may make its effectiveness difficult to evaluate. AIMS: This paper explores the complexity of MI and issues in the development of evidence-based practice in delivery, before describing issues related to practitioner application...
April 12, 2017: Behavioural and Cognitive Psychotherapy
https://www.readbyqxmd.com/read/28399508/nurses-decision-making-in-ethically-relevant-clinical-situations-using-the-example-of-breathlessness-study-protocol-of-a-reflexive-grounded-theory-integrating-goffman-s-framework-analysis
#11
Christine Dunger, Martin W Schnell, Claudia Bausewein
INTRODUCTION: Decision-making (DM) in healthcare can be understood as an interactive process addressing decision makers' reasoning as well as their visible behaviour after the decision is made. Other key elements of DM are ethical aspects and the role as well as the treatment options of the examined professions. Nurses' DM to choose interventions in situations of severe breathlessness is such interactions. They are also ethically relevant regarding the vulnerability of affected patients and possible restrictions or treatment options...
February 22, 2017: BMJ Open
https://www.readbyqxmd.com/read/28398986/living-with-symptoms-of-attention-deficit-hyperactivity-disorder-in-adulthood-a-systematic-review-of-qualitative-evidence
#12
Merete B Bjerrum, Preben U Pedersen, Palle Larsen
BACKGROUND: Attention deficit hyperactivity disorder (ADHD) relates to four dimensions of behavior: inattentiveness, restlessness, impulsiveness and hyperactivity. Symptoms affect multiple areas of daily life such as academic performance and social functioning. Despite the negative effects of ADHD, people diagnosed with ADHD do not necessarily regard themselves as being impaired. However, it is unclear how adults with ADHD experience and manage their symptoms. OBJECTIVES: To identify and synthesize the best available evidence on how adults experience living with ADHD...
April 2017: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/28398578/social-anxiety-disorder-exhibit-impaired-networks-involved-in-self-and-theory-of-mind-processing
#13
Qian Cui, Eric J Vanman, Zhiliang Long, Yajing Pang, Yuyan Chen, Yifeng Wang, Qiyong Gong, Wei Zhang, Heng Chen, Xujun Duan, Huafu Chen
Most previous studies regarding social anxiety disorder (SAD) have focused on the role of emotional dysfunction, while impairments in self- and theory of mind (ToM)-processing have been relatively neglected. The present study utilised functional connectivity density (FCD), resting-state functional connectivity (RSFC), and discriminant analyses to investigate impairments in self- and ToM-related networks in patients with SAD. Patients with SAD exhibited decreased long-range FCD in the right rostral anterior cingulate cortex (rACC) and decreased short-range FCD in the right superior temporal gyrus (STG)-key nodes involved in self- and ToM-processing, respectively...
April 7, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/28393552/characteristics-and-fall-experiences-of-older-adults-with-and-without-fear-of-falling-outdoors
#14
Tracy Chippendale, Chang Dae Lee
OBJECTIVE: Using a theoretical model that combines an ecological perspective and Bandura's theory of self-efficacy as a guide, we sought to compare experiences and characteristics of community dwelling older adults with and without concern about falling outdoors. METHOD: A survey of randomly selected community dwelling older adults across NYC (N = 120) was conducted using the outdoor falls questionnaire. Descriptive quantitative analyses of participant characteristics were conducted for all participants and for those with and without concern about falling outside...
April 10, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/28390031/extending-the-theoretical-framework-for-curriculum-integration-in-pre-clinical-medical-education
#15
John Vergel, Diana Stentoft, Juny Montoya
INTRODUCTION: Curriculum integration is widely discussed in medical education but remains ill defined. Although there is plenty of information on logistical aspects of curriculum integration, little attention has been paid to the contextual issues that emerge from its practice and may complicate students' knowledge integration. Therefore, we aimed to uncover how curriculum integration is manifested through context. METHODS: We collected data from the official curriculum and interviewed ten participants (including curriculum designers, facilitators, and students) in the bachelor's medical program at Aalborg University...
April 7, 2017: Perspectives on Medical Education
https://www.readbyqxmd.com/read/28387588/modulation-of-oscillatory-power-and-connectivity-in-the-human-posterior-cingulate-cortex-supports-the-encoding-and-retrieval-of-episodic-memories
#16
Bradley Lega, James Germi, Michael Rugg
Existing data from noninvasive studies have led researchers to posit that the posterior cingulate cortex (PCC) supports mnemonic processes: It exhibits degeneration in memory disorders, and fMRI investigations have demonstrated memory-related activation principally during the retrieval of memory items. Despite these data, the role of the PCC in episodic memory has received only limited treatment using the spatial and temporal precision of intracranial EEG, with previous analyses focused on item retrieval. Using data gathered from 21 human participants who underwent stereo-EEG for seizure localization, we characterized oscillatory patterns in the PCC during the encoding and retrieval of episodic memories...
April 7, 2017: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/28377690/increasing-our-insular-world-view-interoception-and-psychopathology-for-psychotherapists
#17
REVIEW
Patrice Duquette
Interoception has been determined to be an elemental aspect of the neural foundations of physiological homeostasis, subjective experience, and motivated behavior. This paper reviews current neuroscience research regarding interoception and forms of interoceptive dysfunction that may result in psychopathology, focusing on depression, and anxiety, in a manner conducive to psychotherapists engaging with it to consider clinical applications. Pertinent aspects of interoceptive system processes in relation to psychopathology are addressed: Functional interoceptive ability and the forms of its expression, the difficulty of accurate measurement of such within an individual or group, interoceptive inference processes and perturbations...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28375953/co-producing-interprofessional-round-work-designing-spaces-for-patient-partnership
#18
Karin Thörne, Boel Andersson-Gäre, Håkan Hult, Madeleine Abrandt-Dahlgren
Within wide-ranging quality improvement agendas, patient involvement in health care is widely accepted as crucial. Ward rounds that include patients' active participation are growing as an approach to involve patients, ensure safety, and improve quality. An emerging approach to studying quality improvement is to focus on "clinical microsystems," where patients, professionals, and information systems interact. This provides an opportunity to study ward rounds more deeply. A new model of conducting ward rounds implemented through quality improvement work was studied, using the theory of practice architectures as an analytical tool...
April 2017: Quality Management in Health Care
https://www.readbyqxmd.com/read/28371772/spatial-evidential-clustering-with-adaptive-distance-metric-for-tumor-segmentation-in-fdg-pet-images
#19
Chunfeng Lian, Su Ruan, Thierry Denoeux, Hua Li, Pierre Vera
While the accurate delineation of tumor volumes in FDG-PET is a vital task for diverse objectives in clinical oncology, noise and blur due to the imaging system make it a challenging work. In this paper, we propose to address the imprecision and noise inherent in PET using Dempster-Shafer theory, a powerful tool for modeling and reasoning with uncertain and/or imprecise information. Based on Dempster-Shafer theory, a novel evidential clustering algorithm is proposed and tailored for the tumor segmentation task in 3D...
March 30, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28370498/bilateral-rolandic-operculum-processing-underlying-heartbeat-awareness-reflects-changes-in-bodily-self-consciousness
#20
Maria Laura Blefari, Roberto Martuzzi, Roy Salomon, Javier Bello-Ruiz, Bruno Herbelin, Andrea Serino, Olaf Blanke
Exteroceptive bodily signals (including tactile, proprioceptive, and visual signals) are important information contributing to self-consciousness. Moreover, prominent theories proposed that visceral signals about internal bodily states are equally or even more important. Neuroimaging studies have described several brain regions which process signals related to bodily self-consciousness (BSC) based on the integration of exteroceptive signals (e.g. the premotor cortex, the angular gyrus, the supramarginal gyrus and the extrastriate body area), and that another brain region, the insula/operculum which is involved in interoception and interoceptive awareness, processes signals critical for self-awareness...
March 30, 2017: European Journal of Neuroscience
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