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Body schema

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https://www.readbyqxmd.com/read/28919394/concomitant-chemotherapy-and-radiotherapy-with-sbrt-boost-for-unresectable-stage-iii-non-small-cell-lung-cancer-a-phase-i-study
#1
Kristin A Higgins, Rathi N Pillai, Zhengjia Chen, Sibo Tian, Chao Zhang, Pretesh Patel, Suchita Pakkala, Jay Shelton, Seth D Force, Felix G Fernandez, Conor E Steuer, Taofeek K Owonikoko, Suresh S Ramalingam, Jeffrey D Bradley, Walter J Curran
PURPOSE: Stereotactic Body Radiation Therapy (SBRT) is now the standard of care in medically inoperable stage I non-small cell lung cancer, yielding high rates of local control. It is unknown if SBRT can be safely utilized in the locally advanced NSCLC setting. This multi-institution phase I study evaluated the safety of 44 Gy conventionally fractionated thoracic radiation with concurrent chemotherapy plus a dose escalated SBRT boost to both the primary tumor and involved mediastinal lymph nodes...
September 12, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28885964/cervical-joint-position-sense-in-hypobaric-conditions-a-randomized-double-blind-controlled-trial
#2
Diana Bagaianu, Damien Van Tiggelen, N Duvigneaud, Veerle Stevens, Danny Schroyen, Dirk Vissenaeken, Gino D'Hondt, Laurent Pitance
Well-adapted motor actions require intact and well-integrated information from all of the sensory systems, specifically the visual, vestibular, and somatosensory systems, including proprioception. Proprioception is involved in the sensorimotor control by providing the central nervous system with an updated body schema of the biomechanical and spatial properties of the body parts. With regard to the cervical spine, proprioceptive information from joint and muscle mechanoreceptors is integrated with vestibular and visual feedback to control head position, head orientation, and whole body posture...
September 2017: Military Medicine
https://www.readbyqxmd.com/read/28852890/body-representation-in-patients-after-vascular-brain-injuries
#3
Magdalena Razmus
Neuropsychological literature suggests that body representation is a multidimensional concept consisting of various types of representations. Previous studies have demonstrated dissociations between three types of body representation specified by the kind of data and processes, i.e. body schema, body structural description, and body semantics. The aim of the study was to describe the state of body representation in patients after vascular brain injuries and to provide evidence for the different types of body representation...
August 29, 2017: Cognitive Processing
https://www.readbyqxmd.com/read/28826604/the-neuroscience-of-body-memory-from-the-self-through-the-space-to-the-others
#4
REVIEW
Giuseppe Riva
Our experience of the body is not direct; rather, it is mediated by perceptual information, influenced by internal information, and recalibrated through stored implicit and explicit body representation (body memory). This paper presents an overview of the current investigations related to body memory by bringing together recent studies from neuropsychology, neuroscience, and evolutionary and cognitive psychology. To do so, in the paper, I explore the origin of representations of human body to elucidate their developmental process and, in particular, their relationship with more explicit concepts of self...
July 25, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28813974/a-cosmetic-prosthetic-digit-with-bioinspired-embedded-touch-feedback
#5
Diego Barone, Marco D'Alonzo, Marco Controzzi, Francesco Clemente, Christian Cipriani
Partial hand amputation is the most frequent amputation level worldwide, accounting for approximately 90% of all upper limb amputations. Passive cosmetic prostheses represent one of the possible choices for its treatment, probably the most affordable one. However, these devices restore very limited motor function and subtle sensory feedback. The latter is an important component for restoring the body schema. In this work we present a simple yet potentially effective and low cost cosmetic digital prosthesis that embeds touch feedback; we dubbed this DESC-finger...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28780900/results-from-a-clinical-trial-evaluating-the-efficacy-of-real-time-body-surface-visual-feedback-in-reducing-patient-motion-during-lung-cancer-radiotherapy
#6
Gareth J Price, Corinne Faivre-Finn, Julia Stratford, Sheena Chauhan, Michelle Bewley, Laura Clarke, Corinne N Johnson, Christopher J Moore
INTRODUCTION: Optical surface measurement devices are a maturing technology in radiotherapy. The challenge for such devices is to demonstrate how they can improve clinical care. We present results from a phase 1 clinical trial designed to test the hypothesis that if presented with live data from a novel optical measurement device, showing their deviation from an ideal radiotherapy treatment position, patients will be able to better control their motion and increase their geometrical conformance...
August 7, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28761663/standardized-screening-for-periodontitis-as-an-integral-part-of-multidisciplinary-management-of-adults-with-type-2-diabetes-an-observational-cross-sectional-study-of-cohorts-in-the-usa-and-uk
#7
Andrew S Pumerantz, Susan M Bissett, Fanglong Dong, Cesar Ochoa, Rebecca R Wassall, Heidi Davila, Melanie Barbee, John Nguyen, Pamela Vila, Philip M Preshaw
OBJECTIVE: To determine prevalence and factors predictive of periodontitis by using a standardized assessment model in adults with type 2 diabetes. RESEARCH DESIGN AND METHODS: We performed an observational cross-sectional study to determine the burden of periodontitis in adults with type 2 diabetes attending urban, ambulatory referral centers in the USA and UK. Full-mouth probing was performed and periodontitis was diagnosed based on either a low (≥5 mm at ≥1 site) or high pocket probing-depth threshold (≥6 mm at ≥1 site)...
2017: BMJ Open Diabetes Research & Care
https://www.readbyqxmd.com/read/28756548/optimized-statistical-parametric-mapping-procedure-for-nirs-data-contaminated-by-motion-artifacts-neurometric-analysis-of-body-schema-extension
#8
Satoshi Suzuki
This study investigated the spatial distribution of brain activity on body schema (BS) modification induced by natural body motion using two versions of a hand-tracing task. In Task 1, participants traced Japanese Hiragana characters using the right forefinger, requiring no BS expansion. In Task 2, participants performed the tracing task with a long stick, requiring BS expansion. Spatial distribution was analyzed using general linear model (GLM)-based statistical parametric mapping of near-infrared spectroscopy data contaminated with motion artifacts caused by the hand-tracing task...
July 29, 2017: Brain Informatics
https://www.readbyqxmd.com/read/28750973/manipulation-of-the-body-schema-unilateral-manual-stimulation-of-lower-extremity-influences-weight-distribution-in-standing-position
#9
Uffe Laessoe, Lasse Barth, Sindre Skeie, Kate McGirr
Clinical experience advocates sensory stimulation to increase the body sensation and adjust the body schema, which may be disturbed in some patients. Unilateral massage may affect the body midline orientation, but little evidence is available to support the effect of this practice. Twenty-one healthy young people participated in this experimental study. Two force plates measured weight distribution between the legs in standing position before and after unilateral manual stimulation of the lower extremities...
July 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28711485/the-effects-of-female-thin-ideal-media-on-men-s-appearance-schema-cognitive-performance-and-self-evaluations-a-self-determination-theory-approach
#10
Amanda Baker, Céline Blanchard
Research has primarily focused on the consequences of the female thin ideal on women and has largely ignored the effects on men. Two studies were designed to investigate the effects of a female thin ideal video on cognitive (Study 1: appearance schema, Study 2: visual-spatial processing) and self-evaluative measures in male viewers. Results revealed that the female thin ideal predicted men's increased appearance schema activation and poorer cognitive performance on a visual-spatial task. Constructs from self-determination theory (i...
July 13, 2017: Body Image
https://www.readbyqxmd.com/read/28698615/influence-of-the-body-schema-on-multisensory-integration-evidence-from-the-mirror-box-illusion
#11
Yuqi Liu, Jared Medina
When placing one hand on each side of a mirror and making synchronous bimanual movements, the mirror-reflected hand feels like one's own hand that is hidden behind the mirror. We developed a novel mirror box illusion to investigate whether motoric, but not spatial, visuomotor congruence is sufficient for inducing multisensory integration, and importantly, if biomechanical constraints encoded in the body schema influence multisensory integration. Participants placed their hands in a mirror box in opposite postures (palm up, palm down), creating a conflict between visual and proprioceptive feedback for the hand behind the mirror...
July 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28688909/are-we-making-an-impact-with-incident-learning-systems-analysis-of-quality-improvement-interventions-using-total-body-irradiation-as-a-model-system
#12
Aileen Kim, Eric Ford, Matthew Spraker, Jing Zeng, Ralph Ermoian, Loucille Jordan, Gabrielle Kane, Matthew Nyflot
PURPOSE: Despite increasing interest in incident learning systems (ILS) to improve safety and quality in radiation oncology, little is known about interventions developed in response to safety data. We used total body irradiation (TBI) as a model system to study the effectiveness of interventions from our institutional ILS. METHODS AND MATERIALS: Near-miss event reports specific to TBI were identified from a departmental ILS from March 2012 to December 2015. The near-miss risk index was rated at multidisciplinary review from 0 (no potential harm) to 4 (critical potential harm)...
June 6, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28681404/integration-of-deployable-fluid-lenses-and-reflectors-with-endoluminal-therapeutic-ultrasound-applicators-preliminary-investigations-of-enhanced-penetration-depth-and-focal-gain
#13
Matthew S Adams, Vasant A Salgaonkar, Serena Scott, Graham Sommer, Chris J Diederich
PURPOSE: Catheter-based ultrasound applicators can generate thermal ablation of tissues adjacent to body lumens, but have limited focusing and penetration capabilities due to the small profile of integrated transducers required for the applicator to traverse anatomical passages. This study investigates a design for an endoluminal or laparoscopic ultrasound applicator with deployable acoustic reflector and fluid lens components, which can be expanded after device delivery to increase the effective acoustic aperture and allow for deeper and dynamically adjustable target depths...
July 6, 2017: Medical Physics
https://www.readbyqxmd.com/read/28658652/beyond-differences-between-the-body-schema-and-the-body-image-insights-from-body-hallucinations
#14
REVIEW
Victor Pitron, Frédérique de Vignemont
The distinction between the body schema and the body image has become the stock in trade of much recent work in cognitive neuroscience and philosophy. Yet little is known about the interactions between these two types of body representations. We need to account not only for their dissociations in rare cases, but also for their convergence most of the time. Indeed in our everyday life the body we perceive does not conflict with the body we act with. Are the body image and the body schema then somehow reshaping each other or are they relatively independent and do they only happen to be congruent? On the basis of the study of bodily hallucinations, we consider which model can best account for the body schema/body image interactions...
June 25, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28619103/effects-of-muscle-dysmorphia-social-comparisons-and-body-schema-priming-on-desire-for-social-interaction-an-experimental-approach
#15
Catharina Schneider, Maria Agthe, Takuya Yanagida, Martin Voracek, Kristina Hennig-Fast
BACKGROUND: Muscle dysmorphia (MD) is a relatively young diagnosis referring to the desire for a high degree in lean muscle mass, while simultaneously believing that one is insufficiently muscular, mostly found in men. It goes along with a risk for social withdrawal to maintain rigid exercise and dietary regimen. The aim of the current study was thus, to explore differences in men with and without a risk for muscle dysmorphia regarding their desire for social interaction. Furthermore, we investigated potential effects of individual social comparison tendencies (the tendency to compare oneself with persons who are perceived to be superior or inferior to oneself on a certain dimension) and of one's own body schema on the desire for social interaction...
June 15, 2017: BMC Psychology
https://www.readbyqxmd.com/read/28533613/the-effects-of-tool-holding-on-body-schema-during-motor-imagery-a-near-infrared-spectroscopy-study
#16
Tsubasa Oikawa, Daisuke Hirano, Takamichi Taniguchi, Hitoshi Maruyama
[Purpose] The purpose of this study is to assess the influence of tool holding on brain activities during motor imagery in two tasks: imagining the movement of writing the alphabet while holding a pen and without holding the pen. [Subjects and Methods] Eleven healthy right-handed adults performed two tasks, holding a pen and not holding the pen during imagining the movement of writing the alphabet using a pen. Regions of targets were Brodmann areas 6 which were a motor-related region, 44/45 and 39/40 which taken on the role of forming the body schema...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28516856/dating-violence-perpetration-associations-with-early-maladaptive-schemas
#17
Ryan C Shorey, Catherine Strauss, Heather Zapor, Gregory L Stuart
Violence between dating couples is a serious and prevalent problem among college students (Shorey, Cornelius, & Bell, 2008). Social-cognitive theories of aggression (e.g., Berkowitz, 1990) propose that perpetrators may have more maladaptive cognitive schemas that increase risk for aggression than non-perpetrators. Thus, this study examined differences between perpetrators and non-perpetrators of dating violence on early maladaptive schemas, which are rigidly held cognitive and behavioral patterns that guide how individuals encode and respond to stimuli in their environments (Young, Klosko, & Weishaar, 2003)...
May 17, 2017: Violence and Victims
https://www.readbyqxmd.com/read/28489541/the-effect-of-prosthesis-use-on-hand-mental-rotation-after-unilateral-upper-limb-amputation
#18
Xiaoli Guo, Zixuan Lin, Yuanyuan Lyu, Robin Bekrater-Bodmann, Herta Flor, Shanbao Tong
Amputation of a limb induces changes in the so-called body schema, which might be influenced by the use of prosthetic devices. Changes in the body representation associated with prosthesis use could be investigated using a hand mental rotation task. However, direct neurophysiologic evidence for the effect of prosthesis use on hand mental rotation is still lacking. In this study, we recruited two groups of unilateral upper-limb amputees, i.e., amputees using a prosthesis or with a history of prosthesis use (Pro group) and amputees without a prosthesis (non-Pro group), as well as a sample of matched healthy controls...
May 8, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28420379/distribution-and-symmetrical-patellofemoral-pain-patterns-as-revealed-by-high-resolution-3d-body-mapping-a-cross-sectional-study
#19
S A Boudreau, E N Kamavuako, M S Rathleff
BACKGROUND: Detailed pain mapping of extent and distribution in individuals with patellofemoral pain (PFP) within and around a complex structure such as the knee has yet to be explored. METHODS: Perceptions of on-going pain from adolescents and young adults (N = 35) with long-standing (>10 months) PFP were collected on high-resolution 3D digital body-schema of the knees. Location, area of pain, pain intensity, laterality, worse side of knee pain, symptom duration, and symmetry in bilateral knee pain were recorded...
April 18, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28411919/complications-of-renal-surgery
#20
REVIEW
William T Berg, Jeffrey J Tomaszewski, Hailiu Yang, Anthony Corcoran
The incidence of the small renal mass continues to increase owing to the aging population and the ubiquity imaging. Most of these tumors are stage I tumors. Management strategies include surveillance, ablation, and extirpation. There is a wide body of literature favoring nephron-sparing approaches. Although nephron-sparing surgery may yield decreased long-term morbidity, it is not without its drawbacks, including a higher rate of complications. Urologists must be attuned to the complications of surgery and develop strategies to minimize risk...
May 2017: Urologic Clinics of North America
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