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Sense of Agency

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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
#1
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/28602249/ten-year-survey-of-cyanobacterial-blooms-in-ohio-s-waterbodies-using-satellite-remote-sensing
#2
Tyler Gorham, Yuanyuan Jia, C K Shum, Jiyoung Lee
Cyanobacterial blooms are on the rise globally and are capable of adversely impacting human, animal, and ecosystem health. Blooms dominated by cyanobacteria species capable of toxin-production are commonly observed in eutrophic freshwater. The presence of cyanobacterial blooms in selected Ohio lakes, such as Lake Erie and Grand Lake St. Marys, has been well studied, but much less is known about the geographic distribution of these blooms across all of Ohio's waterbodies. We examined the geographic distribution of cyanobacterial blooms in Ohio's waterbodies from 2002 to 2011, using a nested semi-empirical algorithm and remotely sensed data from the Medium Resolution Imaging Spectrometer (MERIS) onboard the European Space Agency's Envisat...
June 2017: Harmful Algae
https://www.readbyqxmd.com/read/28594539/sers-assay-for-copper-ii-ions-based-on-dual-hot-spot-model-coupling-with-marr-protein-new-cu-2-specific-biorecognition-element
#3
Yulong Wang, Zhenhe Su, Limin Wang, Jinbo Dong, Juanjuan Xue, Jiao Yu, Yuan Wang, Xiude Hua, Minghua Wang, Cunzheng Zhang, Fengquan Liu
We have developed a rapid and ultrasensitive surface-enhanced Raman scattering (SERS) assay for Cu(2+) detection using the multiple antibiotic resistance regulator (MarR) as specific bridging molecules in a SERS hot-spot model. In the assay, Cu(2+) induces formation of MarR tetramers, which provide Au nanoparticle (NP)-AuNP bridges, resulting in the formation of SERS hot spots. 4-Mercaptobenzoic acid (4-MBA) was used as a Raman reporter. The addition of Cu(2+) increased the Raman intensity of 4-MBA. Use of a dual hot-spot signal-amplification strategy based on AuNP-AgNP heterodimers combined through antigen-antibody reactions increased the sensitivity of the sensing platform by 50-fold...
June 8, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28577446/that-s-my-hand-therefore-that-s-my-willed-action-how-body-ownership-acts-upon-conscious-awareness-of-willed-actions
#4
Dalila Burin, Maria Pyasik, Adriana Salatino, Lorenzo Pia
Whether and how body ownership ("this body is mine") contributes to human conscious experience of voluntary action is still unclear. In order to answer this question, here we incorporated two signatures (i.e., an ad hoc questionnaire and the sensory attenuation paradigm) of human's sense of agency ("this action is due to my own will") within a well-known experimental manipulation of body ownership (i.e., the rubber hand illusion paradigm). In two different experiments, we showed that the illusory ownership over a fake hand (induced by the rubber hand illusion) triggered also an illusory agency over its movements at both explicit and implicit level...
May 31, 2017: Cognition
https://www.readbyqxmd.com/read/28572999/ageing-and-agency-age-related-changes-in-susceptibility-to-illusory-experiences-of-control
#5
Maria Cristina Cioffi, Gianna Cocchini, Michael J Banissy, James W Moore
Sense of agency (SoAg) is the feeling of control over one's actions and their effects. It can be augmented or attenuated by internal signals and by external cues. Research has shown a reduction in the SoAg in older adulthood, but the reasons behind this change remain unclear. We investigated agency processing differences that may underpin age-related changes in SoAg. Using a modified version of a vicarious agency paradigm, we tested the modulation of SoAg by manipulating external situational agency cues in younger and older adults...
May 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28557677/staying-the-course-using-hypnosis-to-help-cancer-patients-navigate-their-illness
#6
Carol Ginandes
Although sometimes maligned and often misunderstood, clinical hypnosis can be utilized as a powerful adjunct for the treatment of mind-body conditions, including cancer. Unlike customary medical regimens that treat diseases of the body and psychotherapies that address disorders of the psyche, hypnosis is a uniquely customizable multi-tool that can augment the treatment of both physical and emotional disorders as well as their complex interactions. This article presents a longitudinal, phase-oriented, clinical model that uses hypnosis in a series of sequential interventions that incorporate targeted suggestions to address the unfolding phases of the cancer continuum...
July 2017: American Journal of Clinical Hypnosis
https://www.readbyqxmd.com/read/28536515/subjectivity-of-the-anomalous-sense-of-self-is-represented-in-gray-matter-volume-in-the-brain
#7
Noriaki Kanayama, Tomohisa Asai, Takashi Nakao, Kai Makita, Ryutaro Kozuma, Takuto Uyama, Toshiyuki Yamane, Hiroshi Kadota, Shigeto Yamawaki
The self includes complicated and heterogeneous functions. Researchers have divided the self into three distinct functions called "agency," "ownership," and "narrative self". These correspond to psychiatric symptoms, behavioral characteristics and neural responses, but their relationship with brain structure is unclear. This study examined the relationship between the subjectivity of self-related malfunctions and brain structure in terms of gray matter (GM) volume in 96 healthy people. They completed a recently developed self-reported questionnaire called the Embodied Sense of Self Scale (ESSS) that measures self-related malfunctions...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28522968/the-effect-of-visual-spatial-and-temporal-manipulations-on-embodiment-and-action
#8
Natasha Ratcliffe, Roger Newport
The feeling of owning and controlling the body relies on the integration and interpretation of sensory input from multiple sources with respect to existing representations of the bodily self. Illusion paradigms involving multisensory manipulations have demonstrated that while the senses of ownership and agency are strongly related, these two components of bodily experience may be dissociable and differentially affected by alterations to sensory input. Importantly, however, much of the current literature has focused on the application of sensory manipulations to external objects or virtual representations of the self that are visually incongruent with the viewer's own body and which are not part of the existing body representation...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28521649/-am-i-really-gonna-go-sixty-years-without-getting-cancer-again-uncertainty-and-liminality-in-young-women-s-accounts-of-living-with-a-history-of-breast-cancer
#9
Sophie Rees
Although much research has examined the experience of breast cancer, the distinctive perspectives and lives of young women have been relatively neglected. Women diagnosed with breast cancer under the age of 45, and who had completed their initial treatment, were interviewed, and social constructionist grounded theory methods were used to analyse the data. The end of initial treatment was accompanied by a sense of unease and uncertainty in relation to recurrence and survival, and also fertility and menopausal status...
May 2017: Health (London)
https://www.readbyqxmd.com/read/28506145/areas-of-control-desired-by-patients-and-families-referred-to-hospice-care-perspectives-of-hospice-admissions-staff
#10
Hyunjin Noh
Sense of control in end-of-life (EOL) care plays a critical role in the patient's well-being. However, little is known about the areas of control essential to patients and families at a specific time point in the illness trajectory: when patients stop curative treatments and are referred to hospice. This study qualitatively explored such areas. Sixteen admissions staff members from four hospice agencies were interviewed about their perceptions of areas in which patients and families worried about losing control by accepting hospice...
May 1, 2017: Journal of Applied Gerontology: the Official Journal of the Southern Gerontological Society
https://www.readbyqxmd.com/read/28501698/sensorimotor-experience-in-virtual-reality-enhances-sense-of-agency-associated-with-an-avatar
#11
Gaiqing Kong, Kang He, Kunlin Wei
No abstract text is available yet for this article.
May 11, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28501697/intentional-binding-as-a-marker-of-agency-across-the-lifespan
#12
Annachiara Cavazzana, Chiara Begliomini, Patrizia Silvia Bisiacchi
The feeling of control over actions and their external effects is known as Sense of Agency (SoAg). People usually have a distinctive SoAg for events caused by their own actions. However, if the agent is a child or an older person, this feeling of being responsible for the consequences of an action may differ from what an adult would feel. The idea would be that children and elderly may have a reduced SoAg since their frontal lobes are developing or have started to loose their efficiency. The aim of this study was to elucidate whether the SoAg changes across lifespan, using the Intentional Binding (i...
July 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28500981/some-consequences-of-normal-aging-for-generating-conceptual-explanations-a-case-study-of-vitalist-biology
#13
Nathan Tardiff, Igor Bascandziev, Kaitlin Sandor, Susan Carey, Deborah Zaitchik
Accumulating evidence suggests that not only diseases of old age, but also normal aging, affect elderly adults' ability to draw on the framework theories that structure our abstract causal-explanatory knowledge, knowledge that we use to make sense of the world. One such framework theory, the cross-culturally universal vitalist biology, gives meaning to the abstract concepts life and death. Previous work shows that many elderly adults are animists, claiming that active, moving entities such as the sun and the wind are alive (Zaitchik & Solomon, 2008)...
June 2017: Cognitive Psychology
https://www.readbyqxmd.com/read/28497399/money-social-relationships-and-the-sense-of-self-the-consequences-of-an-improved-financial-situation-for-persons-suffering-from-serious-mental-illness
#14
Alain Topor, Ingemar Ljungqvist
During a 9-month period, 100 persons with SMI were given approx. 73 USD per month above their normal income. Sixteen of the subjects were interviewed. The interviews were analysed according to the methods of thematic analysis. The money was used for personal pleasure and to re-establish reciprocal relations to others. The ways in which different individuals used the money at their disposal impacted their sense of self through experiences of mastery, agency, reciprocity, recognition and security. The findings underline the importance of including social circumstances in our understanding of mental health problems, their trajectories and the recovery process...
May 11, 2017: Community Mental Health Journal
https://www.readbyqxmd.com/read/28488908/choosing-doing-and-controlling-implicit-sense-of-agency-over-somatosensory-events
#15
Khatereh Borhani, Brianna Beck, Patrick Haggard
Sense of agency-a feeling of control over one's actions and their outcomes-might include at least two components: free choice over which outcome to pursue and motoric control over the action causing the outcome. We orthogonally manipulated locus of outcome choice (free or instructed choice) and motoric control (active or passive movement), while measuring the perceived temporal attraction between actions and outcomes ( temporal binding) as an implicit marker of agency. Participants also rated stimulus intensity so that we could measure sensory attenuation, another possible implicit marker of agency...
May 1, 2017: Psychological Science
https://www.readbyqxmd.com/read/28485704/the-power-of-suggestion-posthypnotically-induced-changes-in-the-temporal-binding-of-intentional-action-outcomes
#16
Peter Lush, Emilie A Caspar, Axel Cleeremans, Patrick Haggard, Pedro Alexandre Magalhães De Saldanha da Gama, Zoltan Dienes
The sense of agency is the experience of initiating and controlling one's voluntary actions and their outcomes. Intentional binding (i.e., when voluntary actions and their outcomes are perceived to occur closer together in time than involuntary actions and their outcomes) is increased in intentional action but requires no explicit reflection on agency. The reported experience of involuntariness is central to hypnotic responding, during which strategic action is experienced as involuntary. We report reduced intentional binding in a hypnotically induced experience of involuntariness, providing an objective correlate of reports of involuntariness...
May 2017: Psychological Science
https://www.readbyqxmd.com/read/28484828/satellite-remote-sensing-for-coastal-management-a-review-of-successful-applications
#17
Matthew J McCarthy, Kaitlyn E Colna, Mahmoud M El-Mezayen, Abdiel E Laureano-Rosario, Pablo Méndez-Lázaro, Daniel B Otis, Gerardo Toro-Farmer, Maria Vega-Rodriguez, Frank E Muller-Karger
Management of coastal and marine natural resources presents a number of challenges as a growing global population and a changing climate require us to find better strategies to conserve the resources on which our health, economy, and overall well-being depend. To evaluate the status and trends in changing coastal resources over larger areas, managers in government agencies and private stakeholders around the world have increasingly turned to remote sensing technologies. A surge in collaborative and innovative efforts between resource managers, academic researchers, and industry partners is becoming increasingly vital to keep pace with evolving changes of our natural resources...
May 8, 2017: Environmental Management
https://www.readbyqxmd.com/read/28478995/acting-without-being-in-control-exploring-volition-in-parkinson-s-disease-with-impulsive-compulsive-behaviours
#18
Lucia Ricciardi, Patrick Haggard, Lieke de Boer, Chiara Sorbera, Max-Philipp Stenner, Francesca Morgante, Mark J Edwards
BACKGROUND: Several aspects of volitional control of action may be relevant in the pathophysiology of impulsive-compulsive behaviours (ICB) in Parkinson's disease (PD). We aimed to explore multiple aspects of action control, assessing reward-related behaviour, inhibition (externally and internally triggered) and sense of agency in PD patients, with and without ICB compared to healthy subjects. METHODS: Nineteen PD patients with ICB (PD-ICB), 19 PD without ICB (PD-no-ICB) and 19 healthy controls (HC) underwent a battery of tests including: Intentional Binding task which measures sense of agency; Stop Signal Reaction Time (SSRT) measuring capacity for reactive inhibition; the Marble task, assessing intentional inhibition; Balloon Analog Risk Task for reward sensitivity...
April 20, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28476160/time-to-re-think-picky-eating-a-relational-approach-to-understanding-picky-eating
#19
Kathryn Walton, Leon Kuczynski, Emma Haycraft, Andrea Breen, Jess Haines
BACKGROUND: Estimates of picky eating are quite high among young children, with 14-50% of parents identifying their preschoolers as picky eaters. Dietary intake and preferences during the preschool years are characterized by slowing growth rates and children developing a sense of autonomy over their feeding and food selection. We argue that the current conceptualization of picky eating defines acts of resistance or expressions of preference (acts of autonomy) by a child as deviant behaviour...
May 5, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/28470691/revealing-gendered-identity-and-agency-in-dementia
#20
Geraldine Boyle
As identity and agency are central to the well-being of people with dementia, this paper explores whether their dialogue conveys a gendered sense of identity and agency. The author discusses whether they demonstrate not just a subjective sense of being but also an understanding of their relational selves. Findings are presented from a qualitative study in the North of England which examined the everyday decisions made by married couples when one partner had dementia. Ethnographic methods were used, including participant observation and interviews...
May 3, 2017: Health & Social Care in the Community
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