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Phenomenology

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https://www.readbyqxmd.com/read/28431294/exploring-the-experience-of-episodic-past-future-and-counterfactual-thinking-in-younger-and-older-adults-a-study-of-a-colombian-sample
#1
Felipe De Brigard, Diana Carolina Rodriguez, Patricia Montañés
Although extant evidence suggests that many neural and cognitive mechanisms underlying episodic past, future, and counterfactual thinking overlap, recent results have uncovered differences among these three processes. However, the extent to which there may be age-related differences in the phenomenological characteristics associated with episodic past, future and counterfactual thinking remains unclear. This study used adapted versions of the Memory Characteristics Questionnaire and the Autobiographical Interview in younger and older adults to investigate the subjective experience of episodic past, future and counterfactual thinking...
April 17, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28430951/evidence-for-a-strong-correlation-between-transcription-factor-protein-disorder-and-organismic-complexity
#2
Inmaculada Yruela, Christopher J Oldfield, Karl J Niklas, A Keith Dunker
Studies of diverse phylogenetic lineages reveal that protein disorder increases in concert with organismic complexity but that differences nevertheless exist among lineages. To gain insight into this phenomenology, we analyzed all of the transcription factor (TF) families for which sequences are known for 17 species spanning bacteria, yeast, algae, land plants, and animals and for which the number of different cell types has been reported in the primary literature. Although the fraction of disordered residues in TF sequences is often moderately or poorly correlated with organismic complexity as gauged by cell type number (r2 < 0...
April 18, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28430484/lattice-prediction-for-deeply-bound-doubly-heavy-tetraquarks
#3
A Francis, R J Hudspith, R Lewis, K Maltman
We investigate the possibility of qq^{'}b[over ¯]b[over ¯] tetraquark bound states using n_{f}=2+1 lattice QCD ensembles with pion masses ≃164, 299, and 415 MeV. Motivated by observations from heavy baryon phenomenology, we consider two lattice interpolating operators, both of which are expected to couple efficiently to tetraquark states: one with a diquark-antidiquark and one with a meson-meson structure. Using nonrelativistic QCD to simulate the bottom quarks, we study the udb[over ¯]b[over ¯], ℓsb[over ¯]b[over ¯] channels with ℓ=u, d, and find unambiguous signals for strong-interaction-stable J^{P}=1^{+} tetraquarks...
April 7, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28430462/fuzzy-dark-matter-from-infrared-confining-dynamics
#4
Hooman Davoudiasl, Christopher W Murphy
A very light boson of mass O(10^{-22})  eV may potentially be a viable dark matter (DM) candidate, which can avoid phenomenological problems associated with cold DM. Such "fuzzy DM (FDM)" may naturally be an axion with a decay constant f_{a}∼10^{16}-10^{18}  GeV and a mass m_{a}∼μ^{2}/f_{a} with μ∼10^{2}  eV. Here, we propose a concrete model, where μ arises as a dynamical scale from infrared confining dynamics, analogous to QCD. Our model is an alternative to the usual approach of generating μ through string theoretic instanton effects...
April 7, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28427319/mechanobiological-modelling-of-tendons-review-and-future-opportunities
#5
Mark S Thompson, M Nazri Bajuri, Hanifeh Khayyeri, Hanna Isaksson
Tendons are adapted to carry large, repeated loads and are clinically important for the maintenance of musculoskeletal health in an increasing, actively ageing population, as well as in elite athletes. Tendons are known to adapt to mechanical loading. Also, their healing and disease processes are highly sensitive to mechanical load. Computational modelling approaches developed to capture this mechanobiological adaptation in tendons and other tissues have successfully addressed many important scientific and clinical issues...
May 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28426934/from-permeation-to-cluster-arrays-graphene-on-ir-111-exposed-to-carbon-vapor
#6
Charlotte Herbig, Timo Knispel, Sabina Simon, Ulrike A Schröder, Antonio J Martínez-Galera, Mohammad Alif Arman, Christian Teichert, Jan Knudsen, Arkady V Krasheninnikov, Thomas Michely
Our scanning tunneling microscopy and X-ray photoelectron spectroscopy experiments along with first-principles calculations uncover the rich phenomenology and enable a coherent understanding of carbon vapor interaction with graphene on Ir(111). At high temperatures, carbon vapor not only permeates to the metal surface, but also densifies the graphene cover. Thereby, in addition to underlayer graphene growth, upon cool down also severe wrinkling of the densified graphene cover is observed. In contrast, at low temperatures the adsorbed carbon largely remains on top and self-organizes into a regular array of fullerene-like, thermally highly stable clusters that are covalently bonded to the underlying graphene sheet...
April 20, 2017: Nano Letters
https://www.readbyqxmd.com/read/28425315/caring-in-nursing-homes-to-promote-autonomy-and-participation
#7
Maria Hedman, Elisabeth Häggström, Anna-Greta Mamhidir, Ulrika Pöder
BACKGROUND: Autonomy and participation are threatened within the group of older people living in nursing homes. Evidence suggests that healthcare personnel act on behalf of older people but are still excluding them from decision-making in everyday care. OBJECTIVE: The purpose was to describe registered nurses' experience of caring for older people in nursing homes to promote autonomy and participation. RESEARCH DESIGN: A descriptive design with a phenomenological approach was used...
January 1, 2017: Nursing Ethics
https://www.readbyqxmd.com/read/28425194/unlocking-the-limitations-living-with-chronic-obstructive-pulmonary-disease-and-receiving-care-through-telemedicine-a-phenomenological-study
#8
Tina Lien Barken, Elin Thygesen, Ulrika Söderhamn
AIMS AND OBJECTIVES: The aim of this study was to describe the lived experiences of quality of life among a group of patients living with chronic obstructive pulmonary disease (COPD) who were included in a telemedical intervention after hospitalization for disease exacerbation. BACKGROUND: Patients with COPD have high symptom burden, poor control of symptoms, and a need for greater requirements in care. Telemedicine (TM) can provide benefits for patients with COPD by improving self-management...
April 20, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28425062/patients-lived-experiences-of-nocturia-a-qualitative-study-of-the-evening-the-night-and-the-next-day
#9
Andrew Trigg, Fredrik L Andersson, Natalie V J Aldhouse, Donald L Bliwise, Helen Kitchen
BACKGROUND: Nocturia, waking to urinate two or more times during the night, is a chronic condition associated with significant patient burden due to sleep disruption. This study aimed to explore the lived experiences of patients with nocturia in terms of the disruption to their lives during the night and day. METHODS: Adult patients in the US diagnosed with nocturia were recruited for face-to-face qualitative interviews. Thematic analysis of patients' narratives, taking a phenomenological interpretative approach, summarised their experiences throughout the night and day, including any apparent contrasts between patients...
April 19, 2017: Patient
https://www.readbyqxmd.com/read/28422113/increased-spontaneous-meg-signal-diversity-for-psychoactive-doses-of-ketamine-lsd-and-psilocybin
#10
Michael M Schartner, Robin L Carhart-Harris, Adam B Barrett, Anil K Seth, Suresh D Muthukumaraswamy
What is the level of consciousness of the psychedelic state? Empirically, measures of neural signal diversity such as entropy and Lempel-Ziv (LZ) complexity score higher for wakeful rest than for states with lower conscious level like propofol-induced anesthesia. Here we compute these measures for spontaneous magnetoencephalographic (MEG) signals from humans during altered states of consciousness induced by three psychedelic substances: psilocybin, ketamine and LSD. For all three, we find reliably higher spontaneous signal diversity, even when controlling for spectral changes...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28421402/the-effect-of-losses-disguised-as-wins-and-near-misses-in-electronic-gaming-machines-a-systematic-review
#11
REVIEW
K R Barton, Y Yazdani, N Ayer, S Kalvapalle, S Brown, J Stapleton, D G Brown, K A Harrigan
Near misses and losses disguised as wins have been of interest to gambling researchers and policymakers for many years (e.g., Griffiths in J Gambl Stud 9(2):101-120, 1993). This systematic literature review describes the behavioural, psychological, and psychobiological effects of near misses and losses disguised as wins (LDWs) in an effort to evaluate their precise influence on the player and to highlight areas requiring further investigation. A systematic search for relevant studies was conducted using Scopus, PubMed, PsycINFO, ProQuest Sociology databases, and the Gambling Research Exchange Ontario Knowledge Repository...
April 18, 2017: Journal of Gambling Studies
https://www.readbyqxmd.com/read/28420953/using-cochlear-microphonic-potentials-to-localize-peripheral-hearing-loss
#12
Karolina K Charaziak, Christopher A Shera, Jonathan H Siegel
The cochlear microphonic (CM) is created primarily by the receptor currents of outer hair cells (OHCs) and may therefore be useful for identifying cochlear regions with impaired OHCs. However, the CM measured across the frequency range with round-window or ear-canal electrodes lacks place-specificity as it is dominated by cellular sources located most proximal to the recording site (e.g., at the cochlear base). To overcome this limitation, we extract the "residual" CM (rCM), defined as the complex difference between the CM measured with and without an additional tone (saturating tone, ST)...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28420063/patients-experiences-of-lupus-related-foot-problems-a-qualitative-investigation
#13
A E Williams, A Blake, L Cherry, B Alcacer-Pitarch, C J Edwards, N Hopkinson, E M J Vital, L S Teh
Background Systemic lupus erythematosus (SLE) can present with a variety of symptoms. Previous research has shown there is a high prevalence of lower limb and foot problems in patients with SLE associated with the musculoskeletal, vascular and neurological changes. Furthermore, there is a high prevalence of infections affecting the feet and a range of common skin and nail problems. However, it is not known how these foot problems impact upon people's lives. Therefore, we aimed to explore this using a qualitative approach...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28419302/the-posthuman-as-hollow-idol-a-nietzschean-critique-of-human-enhancement
#14
Ciano Aydin
In this paper, the author aims to show that transhumanists are confused about their own conception of the posthuman: transhumanists anticipate radical transformation of the human through technology and at the same time assume that the criteria to determine what is "normal" and what is "enhanced" are univocal, both in our present time and in the future. Inspired by Nietzsche's notion of the Overhuman, the author argues that the slightest "historical and phenomenological sense" discloses copious variations of criteria, both diachronic and synchronic, for what can be considered "normal" and "enhanced...
April 17, 2017: Journal of Medicine and Philosophy
https://www.readbyqxmd.com/read/28418526/empirically-determined-vascular-smooth-muscle-cell-mechano-adaptation-law
#15
Kerianne E Steucke, Zaw Win, Taylor R Stemler, Emily E Walsh, Jennifer L Hall, Patrick W Alford
Cardiovascular disease can alter the mechanical environment of the vascular system, leading to mechano-adaptive growth and remodeling. Predictive models of arterial mechano-adaptation could improve patient treatments and outcomes in cardiovascular disease. Vessel-scale mechano-adaptation includes remodeling of both the cells and extracellular matrix. Here, we aimed to experimentally measure and characterize a phenomenological mechano-adaptation law for vascular smooth muscle cells (VSMCs) within an artery. To do this, we developed a highly controlled and reproducible system for applying a chronic step-change in strain to individual VSMCs with in vivo like architecture, and tracked the temporal cellular stress evolution...
April 13, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/28418198/stress-is-associated-with-an-increased-risk-of-recurrent-seizures-in-adults
#16
Elisa Baldin, W Allen Hauser, Alison Pack, Dale C Hesdorffer
OBJECTIVE: The literature is sparse on the complex interrelationships between stressors, depression, anxiety disorders, and epilepsy. We hypothesized that a relationship exists between stress and epilepsy. We evaluated whether markers of stress are associated with seizure recurrence in a low income community-based cohort of adults with single unprovoked seizure or newly diagnosed epilepsy. METHODS: We ascertained adult residents of Northern Manhattan and Harlem, New York City, with a first unprovoked seizure or newly diagnosed epilepsy, between December 2010 and January 2013...
April 18, 2017: Epilepsia
https://www.readbyqxmd.com/read/28418116/-what-is-the-point-of-life-an-interpretative-phenomenological-analysis-of-suicide-in-young-menwith-first-episode-psychosis
#17
Ruchika Gajwani, Michael Larkin, Chris Jackson
BACKGROUND: Lifetime risk of suicide in first-episode psychosis far exceeds the general population, with the risk of suicide persisting long after first presentation. There is strong evidence to suggest that women more frequently attempt suicide, while men are at a greater risk of completing suicide. First-hand experiential evidence is needed in order to better understand men's motives for, and struggles with, suicidality in early psychosis. METHODS: Semi-structured interviews were conducted with 7 participants...
April 18, 2017: Early Intervention in Psychiatry
https://www.readbyqxmd.com/read/28417692/autobiographical-remembering-regulates-emotions-a-functional-perspective
#18
Sezin Öner, Sami Gülgöz
Emotional deviation has been considered an essential factor in emotion regulation, in that, attempts to compensate for the deviation is reflected on cognitive processes. In the present study, we focused on autobiographical remembering and tested the functional role of memory on emotion regulation. We specifically examined the congruence effect in individuals' subsequent memory reports after recalling emotional events. Individuals were randomly assigned to three groups to report either sadness or anger evoking events or emotionally unspecified events that they experienced in the last five years...
April 18, 2017: Memory
https://www.readbyqxmd.com/read/28417122/frequency-control-of-protein-translocation-across-an-oscillating-nanopore
#19
Fabio Cecconi, Muhammad Adnan Shahzad, Umberto Marini Bettolo Marconi, Angelo Vulpiani
The translocation of a lipid binding protein (LBP) is studied using a phenomenological coarse-grained computational model that simplifies both chain and pore geometry. We investigated via molecular dynamics the interplay between transport and unfolding in the presence of a nanopore whose section oscillates periodically in time with a frequency ω, a motion often referred to as the radial breathing mode (RBM). We found that the LPB when mechanically pulled into the vibrating nanopore exhibits a translocation dynamics that in some frequency range is accelerated and shows a frequency locking to the pore dynamics...
April 18, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28415257/effect-of-single-particle-magnetostriction-on-the-shear-modulus-of-compliant-magnetoactive-elastomers
#20
Viktor M Kalita, Andrei A Snarskii, Mikhail Shamonin, Denis Zorinets
The influence of an external magnetic field on the static shear strain and the effective shear modulus of a magnetoactive elastomer (MAE) is studied theoretically in the framework of a recently introduced approach to the single-particle magnetostriction mechanism [V. M. Kalita et al., Phys. Rev. E 93, 062503 (2016)10.1103/PhysRevE.93.062503]. The planar problem of magnetostriction in an MAE with magnetically soft inclusions in the form of a thin disk (platelet) having the magnetic anisotropy in the plane of this disk is solved analytically...
March 2017: Physical Review. E
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