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Sense of Agency

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https://www.readbyqxmd.com/read/28088637/multi-scale-control-influences-sense-of-agency-investigating-intentional-binding-using-event-control-approach
#1
Devpriya Kumar, Narayanan Srinivasan
Control exercised by humans through interactions with the environment is critical for sense of agency. Here, we investigate how control at multiple levels influence implicit sense of agency measured using intentional binding. Participants are asked to hit a moving target using a joystick with noisy control followed by an intentional binding task initiated by the target hitting action. Perceptual-motor level control was manipulated through noise in the joystick controller (experiment 1) and goal-level control in terms of feedback about successful hit (experiments 2a and 2b)...
January 12, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28079364/dna-modified-fe3o4-au-magnetic-nanoparticles-as-selective-probes-for-simultaneous-detection-of-heavy-metal-ions
#2
Peng Miao, Yuguo Tang, Lei Wang
Driven by the urgent need to detect trace heavy metal ions in various real water samples, this article demonstrates for the first time an electrochemical biosensor based on DNA modified Fe3O4@Au magnetic nanoparticles (NPs). Three DNA probes are designed to contain certain mismatched base pairs. One is thiolated and modified on the surface of Fe3O4@Au NPs (DNA 1). The other two probes (DNA 2 and 3) are labeled with two independent electrochemical species. Stable structures of cytosine-Ag+-cytosine and thymine-Hg2+-thymine formed in the presence of Ag+ and Hg2+ can assist the hybridization of DNA 1/DNA 2 and DNA 1/DNA 3, which locate corresponding electrochemical species onto the surface of the magnetic NPs...
January 12, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28077329/body-schema-plasticity-after-stroke-subjective-and-neurophysiological-correlates-of-the-rubber-hand-illusion
#3
Roberto Llorens, Adrián Borrego, Priscila Palomo, Ausiàs Cebolla, Enrique Noé, Sergi Bermúdez I Badia, Rosa Baños
Stroke can lead to motor impairments that can affect the body structure and restraint mobility. We hypothesize that brain lesions and their motor sequelae can distort the body schema, a sensorimotor map of body parts and elements in the peripersonal space through which human beings embody the reachable space and ready the body for forthcoming movements. Two main constructs have been identified in the embodiment mechanism: body-ownership, the sense that the body that one inhabits is his/her own, and agency, the sense that one can move and control his/her body...
January 8, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28073333/how-orthogonal-are-the-big-two-of-social-perception-on-the-curvilinear-relation-between-agency-and-communion
#4
Roland Imhoff, Alex Koch
Humans make sense of their social environment by forming impressions of others that allow predicting others' actions. In this process of social perception, two types of information carry pivotal importance: other entities' communion (i.e., warmth and trustworthiness) and agency (i.e., status and power). Although commonly thought of as orthogonal dimensions, we propose that these Big Two of social perception are curvilinearly related. Specifically, as we delineate from four different theoretical explanations, impressions of communion should peak at average agency, while entities too high or too low on agency should be perceived as low on communion...
January 2017: Perspectives on Psychological Science: a Journal of the Association for Psychological Science
https://www.readbyqxmd.com/read/28028677/psychosocial-influences-on-disaster-preparedness-in-san-francisco-recipients-of-home-care
#5
Robyn R Gershon, Elena Portacolone, Ezinne M Nwankwo, Qi Zhi, Kristine A Qureshi, Victoria H Raveis
Disasters disproportionately impact certain segments of the population, including children, pregnant women, people living with disabilities and chronic conditions and those who are underserved and under-resourced. One of the most vulnerable groups includes the community-dwelling elderly. Post-disaster analyses indicate that these individuals have higher risk of disaster-related morbidity and mortality. They also have suboptimal levels of disaster preparedness in terms of their ability to shelter-in-place or evacuate to a shelter...
December 27, 2016: Journal of Urban Health: Bulletin of the New York Academy of Medicine
https://www.readbyqxmd.com/read/28027675/nurses-moral-experiences-of-assisted-death
#6
James Elmore, David Kenneth Wright, Maude Paradis
BACKGROUND: Legislative changes are resulting in assisted death as an option for people at the end of life. Although nurses' experiences and perspectives are underrepresented within broader ethical discourses about assisted death, there is a small but significant body of literature examining nurses' experiences of caring for people who request this option. AIM: To synthesize what has been learned about nurses' experiences of caring for patients who request assisted death and to highlight what is morally at stake for nurses who undertake this type of care...
January 1, 2016: Nursing Ethics
https://www.readbyqxmd.com/read/28027510/sense-of-agency-in-continuous-action-assistance-induced-performance-improvement-is-self-attributed-even-with-knowledge-of-assistance
#7
Kazuya Inoue, Yuji Takeda, Motohiro Kimura
In a task involving continuous action to achieve a goal, the sense of agency increases with an improvement in task performance that is induced by unnoticed computer assistance. This study investigated how explicit instruction about the existence of computer assistance affects the increase of sense of agency that accompanies performance improvement. Participants performed a continuous action task in which they controlled the direction of motion of a dot to a goal by pressing keys. When instructions indicated the absence of assistance, the sense of agency increased with performance improvement induced by computer assistance, replicating previous findings...
December 24, 2016: Consciousness and Cognition
https://www.readbyqxmd.com/read/28025063/was-it-me-filling-the-interval-between-action-and-effects-increases-agency-but-not-sensory-attenuation
#8
Lisa Weller, Katharina A Schwarz, Wilfried Kunde, Roland Pfister
Sensory stimuli resulting from one's own actions are perceptually attenuated compared to identical but externally produced stimuli. This may enable the organism to discriminate between self-produced events and externally produced events, suggesting a strong link between sensory attenuation and a subjective sense of agency. To investigate this supposed link, we compared the influence of filled and unfilled action-effect delays on both, judgements of agency for self-produced sounds and attenuation of the event-related potential (ERP)...
December 23, 2016: Biological Psychology
https://www.readbyqxmd.com/read/28024417/neighborhood-and-parental-influences-on-diet-and-physical-activity-behaviors-in-young-low-income-pediatric-patients
#9
Nakiya N Showell, Katie Washington Cole, Katherine Johnson, Lisa Ross DeCamp, Megan Bair-Merritt, Rachel L J Thornton
This study explores the relationship between neighborhood characteristics and caregiver preferences for establishing diet and physical activity behaviors among low-income African American and Hispanic young children (2-5 years). Primary caregivers of young children were recruited from 2 urban pediatric clinics to participate in focus groups (n = 33). Thematic analysis of transcripts identified 3 themes: neighborhood constraints on desired behaviors, caregivers' strategies in response to neighborhoods, and caregivers' sense of agency in the face of neighborhood constraints...
December 1, 2016: Clinical Pediatrics
https://www.readbyqxmd.com/read/27966369/the-theory-of-agency-and-breastfeeding
#10
Kath Ryan, Victoria Team, Jo Alexander
OBJECTIVE: In this paper, we apply psychological agency theory to women's interviews of their breastfeeding experiences to understand the role of agency in relation to breastfeeding initiation, maintenance and duration. DESIGN: Qualitative, video interviews were collected from 49 women in the UK from a wide range of ethnic, religious, educational and employment backgrounds about their breastfeeding experiences. We undertook secondary analysis of the data focusing on their accounts of vulnerability and agency...
December 14, 2016: Psychology & Health
https://www.readbyqxmd.com/read/27914366/rapid-and-low-cost-biosensor-for-the-detection-of-staphylococcus-aureus
#11
Ghadeer A R Y Suaifan, Sahar Alhogail, Mohammed Zourob
Staphylococcus aureus (S. aureus) is one of the most common etiological agents in hospital-acquired infections and food-borne illness. S. aureus toxins and virulence proteases often circulate in host blood vessels leading to life-threatening diseases. Standard identification approaches include bacterial culturing method, which takes several days. Other nucleic acid-based methods were expensive and required trained personnel. To surmount these limitations, a paper-based biosensor was developed. The sensing mechanism was based on the proteolytic activity of S...
April 15, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/27909466/illusory-temporal-binding-in-meditators
#12
Peter Lush, Jim Parkinson, Zoltan Dienes
We investigate conditions in which more accurate metacognition may lead to greater susceptibility to illusion and thus conditions under which mindfulness meditation may lead to less accurate perceptions. Specifically, greater awareness of intentions may lead to an illusory compression of time between a voluntary action and its outcome ("intentional binding"). Here, we report that experienced Buddhist mindfulness meditators rather than non-meditators display a greater illusory shift of the timing of an outcome toward an intentional action...
2016: Mindfulness
https://www.readbyqxmd.com/read/27900934/gender-relations-and-women-s-reproductive-health-in-south-sudan
#13
Sumit Kane, Matilda Rial, Anthony Matere, Marjolein Dieleman, Jacqueline E W Broerse, Maryse Kok
BACKGROUND: In South Sudan, women disproportionately bear the burden of morbidity and mortality related to sexual and reproductive health, with a maternal mortality ratio of 789 deaths per 100,000 live births. DESIGN: A qualitative study was conducted to analyze how gendered social relations among the Fertit people affect women's ability to exercise control over their reproductive lives and thereby their sexual and reproductive health. Transcripts of 5 focus group discussions and 44 semi-structured interviews conducted with purposefully selected community members and health personnel were analyzed using Connell's relational theory of gender...
2016: Global Health Action
https://www.readbyqxmd.com/read/27896036/detecting-sedimentation-impacts-to-coral-reefs-resulting-from-dredging-the-port-of-miami-florida-usa
#14
Margaret W Miller, Jocelyn Karazsia, Carolyn E Groves, Sean Griffin, Tom Moore, Pace Wilber, Kurtis Gregg
The federal channel at Port of Miami, Florida, USA, was dredged between late 2013 and early 2015 to widen and deepen the channel. Due to the limited spatial extent of impact-assessment monitoring associated with the project, the extent of the dredging impacts on surrounding coral reefs has not been well quantified. Previously published remote sensing analyses, as well as agency and anecdotal reports suggest the most severe and largest area of sedimentation occurred on a coral reef feature referred to as the Inner Reef, particularly in the sector north of the channel...
2016: PeerJ
https://www.readbyqxmd.com/read/27895488/advances-in-the-management-of-heart-failure-the-role-of-ivabradine
#15
REVIEW
Ursula Müller-Werdan, Georg Stöckl, Karl Werdan
A high resting heart rate (≥70-75 b.p.m.) is a risk factor for patients with heart failure (HF) with reduced ejection fraction (EF), probably in the sense of accelerated atherosclerosis, with an increased morbidity and mortality. Beta-blockers not only reduce heart rate but also have negative inotropic and blood pressure-lowering effects, and therefore, in many patients, they cannot be given in the recommended dose. Ivabradine specifically inhibits the pacemaker current (funny current, If) of the sinoatrial node cells, resulting in therapeutic heart rate lowering without any negative inotropic and blood pressure-lowering effect...
2016: Vascular Health and Risk Management
https://www.readbyqxmd.com/read/27894379/pr%C3%A3-cis-of-talking-to-our-selves-reflection-ignorance-and-agency
#16
John M Doris
Does it make sense for people to hold one another responsible for what they do, as happens in countless social interactions every day? One of the most unsettling lessons from recent psychological research is that people are routinely mistaken about the origins of their behavior. Yet philosophical orthodoxy holds that the exercise of morally responsible agency typically requires accurate self-awareness. If the orthodoxy is right, and the psychology is to be believed, people characteristically fail to meet the standards of morally responsible agency, and we are faced with the possibility of skepticism about agency...
November 29, 2016: Behavioral and Brain Sciences
https://www.readbyqxmd.com/read/27893012/surgeons-and-trauma-care-physicians-perception-of-the-impact-of-the-globalization-of-medical-education-on-quality-of-care-in-lima-peru
#17
Lacey N LaGrone, Leah N Isquith-Dicker, Eduardo Huaman Egoavil, Manuel J A Rodriguez Castro, Alfredo Allagual, Fernando Revoredo, Charles N Mock
Importance: The globalization of medical education-the process by which trainees in any region gain access to international training (electronic or in-person)-is a growing trend. More data are needed to inform next steps in the responsible stewardship of this process, from the perspective of trainees and institutions at all income levels, and for use by national and international policymakers. Objective: To describe the impact of the globalization of medical education on surgical care in Peru from the perspective of Peruvian surgeons who received international training...
November 23, 2016: JAMA Surgery
https://www.readbyqxmd.com/read/27882795/mental-health-and-wellbeing-focus-on-men-s-health
#18
Sarah Patrick, Steve Robertson
All nurses have a responsibility to ensure that they actively promote both mental and physical health and wellbeing. This article aims to bring together current thinking and evidence about nursing and men's mental health promotion. Key areas of concern outlined are the high rate of suicide in men, the expression of depression in men and the problems of masculinity when related to seeking help for mental health. The article highlights the importance of language and the normalising of distressing feelings when working with men and suggests that nurses need to recognise how men can experience depression differently, actively identify and address suicidal thinking, and provide gender-sensitive interventions...
November 24, 2016: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/27869723/quencher-free-fluorescence-method-for-the-detection-of-mercury-ii-based-on-polymerase-aided-photoinduced-electron-transfer-strategy
#19
Haisheng Liu, Linbin Ma, Changbei Ma, Junyan Du, Meilan Wang, Kemin Wang
A new quencher-free Hg(2+) ion assay method was developed based on polymerase-assisted photoinduced electron transfer (PIET). In this approach, a probe is designed with a mercury ion recognition sequence (MRS) that is composed of two T-rich functional areas separated by a spacer of random bases at the 3'-end, and a sequence of stacked cytosines at the 5'-end, to which a fluorescein (FAM) is attached. Upon addition of Hg(2+) ions into this sensing system, the MRS folds into a hairpin structure at the 3'-end with Hg(2+)-mediated base pairs...
November 18, 2016: Sensors
https://www.readbyqxmd.com/read/27836598/catalysis-reduction-strategy-for-sensing-inorganic-and-organic-mercury-based-on-gold-nanoparticles
#20
Xiaokun Li, Youlin Zhang, Yulei Chang, Bin Xue, Xianggui Kong, Wei Chen
In view of the high biotoxicity and trace concentration of mercury (Hg) in environmental water, developing simple, ultra-sensitive and highly selective method capable of simultaneous determination of various Hg species has attracted wide attention. Here, we present a novel catalysis-reduction strategy for sensing inorganic and organic mercury in aqueous solution through the cooperative effect of AuNP-catalyzed properties and the formation of gold amalgam. For the first time, a new AuNP-catalyzed-organic reaction has been discovered and directly used for sensing Hg(2+), Hg2(2+) and CH3Hg(+) according to the change of the amount of the catalytic product induced by the deposition of Hg atoms on the surface of AuNPs...
November 5, 2016: Biosensors & Bioelectronics
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