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https://www.readbyqxmd.com/read/28479473/probing-the-action-observation-network-response-to-varying-levels-of-action-familiarity
#1
Tom Gardner, Aidas Aglinskas, Emily S Cross
Watching other people move elicits engagement of a collection of sensorimotor brain regions collectively termed the Action Observation Network (AON). An extensive literature documents more robust AON responses when observing or executing familiar compared to unfamiliar actions, as well as a positive correlation between amplitude of AON response and an observer's familiarity with an observed or executed movement. On the other hand, emerging evidence shows patterns of AON activity counter to these findings, whereby in some circumstances, unfamiliar actions lead to greater AON engagement than familiar actions...
May 4, 2017: NeuroImage
https://www.readbyqxmd.com/read/28450846/perceptually-salient-regions-of-the-modulation-power-spectrum-for-musical-instrument-identification
#2
Etienne Thoret, Philippe Depalle, Stephen McAdams
The ability of a listener to recognize sound sources, and in particular musical instruments from the sounds they produce, raises the question of determining the acoustical information used to achieve such a task. It is now well known that the shapes of the temporal and spectral envelopes are crucial to the recognition of a musical instrument. More recently, Modulation Power Spectra (MPS) have been shown to be a representation that potentially explains the perception of musical instrument sounds. Nevertheless, the question of which specific regions of this representation characterize a musical instrument is still open...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28359353/guitar-string-suture-to-facilitate-closure-of-a-finger-like-flap-for-reconstruction-of-the-nose
#3
E Querol-Cisneros, P Redondo
INTRODUCTION: The basic principle of a lobed or finger-like transposition flap is that, after covering the defect with the transposed tissue, the donor site is closed primarily. With large defects, a second lobe may be added to the flap if primary closure of the area left by the first lobe is not possible. The flap can often be made to adapt to the defect, but this maneuver, in combination with primary closure of the adjacent tissue, can sometimes produce excessive tension and compromise the blood supply...
March 27, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28321203/clinical-and-epidemiological-correlates-of-task-specific-dystonia-in-a-large-cohort-of-brazilian-music-players
#4
Rita C Moura, Patrícia Maria de Carvalho Aguiar, Graziela Bortz, Henrique Ballalai Ferraz
Musician's dystonia is a task-specific dystonia (TSD) worldwide disabling disorder, and most of the affected individuals may have severe difficulty to play their instrument. Many professional music players may have to quit working as a player. The objective of the present study was to evaluate the clinical characteristics and frequency of TSD in Brazilian music players and to promote awareness of this condition among musicians. We visited orchestras and music schools delivering lectures on TSD and about the scope of our survey...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28298889/cortical-sensitivity-to-guitar-note-patterns-eeg-entrainment-to-repetition-and-key
#5
David A Bridwell, Emily Leslie, Dakarai Q McCoy, Sergey M Plis, Vince D Calhoun
Music is ubiquitous throughout recent human culture, and many individual's have an innate ability to appreciate and understand music. Our appreciation of music likely emerges from the brain's ability to process a series of repeated complex acoustic patterns. In order to understand these processes further, cortical responses were measured to a series of guitar notes presented with a musical pattern or without a pattern. ERP responses to individual notes were measured using a 24 electrode Bluetooth mobile EEG system (Smarting mBrainTrain) while 13 healthy non-musicians listened to structured (i...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28253697/dynamical-computation-of-constrained-flexible-systems-using-a-modal-udwadia-kalaba-formulation-application-to-musical-instruments
#6
J Antunes, V Debut
Most musical instruments consist of dynamical subsystems connected at a number of constraining points through which energy flows. For physical sound synthesis, one important difficulty deals with enforcing these coupling constraints. While standard techniques include the use of Lagrange multipliers or penalty methods, in this paper, a different approach is explored, the Udwadia-Kalaba (U-K) formulation, which is rooted on analytical dynamics but avoids the use of Lagrange multipliers. This general and elegant formulation has been nearly exclusively used for conceptual systems of discrete masses or articulated rigid bodies, namely, in robotics...
February 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28147626/a-sparse-equivalent-source-method-for-near-field-acoustic-holography
#7
Efren Fernandez-Grande, Angeliki Xenaki, Peter Gerstoft
This study examines a near-field acoustic holography method consisting of a sparse formulation of the equivalent source method, based on the compressive sensing (CS) framework. The method, denoted Compressive-Equivalent Source Method (C-ESM), encourages spatially sparse solutions (based on the superposition of few waves) that are accurate when the acoustic sources are spatially localized. The importance of obtaining a non-redundant representation, i.e., a sensing matrix with low column coherence, and the inherent ill-conditioning of near-field reconstruction problems is addressed...
January 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28101018/remarkable-improvement-of-nail-changes-in-alopecia-areata-universalis-with-10-months-of-treatment-with-tofacitinib-a-case-report
#8
Sineida Berbert Ferreira, Morton Scheinberg, Denise Steiner, Tatiana Steiner, Gustavo Longhi Bedin, Rachel Berbert Ferreira
Alopecia areata (AA) is a chronic, autoimmune disease. The main symptom is massive hair loss, localized or diffuse, in the scalp and the whole body. However, nails may also be involved, and brittleness, fragility and pitting can be signs of nail dystrophy in AA patients. Here, we report the case of a male patient with AA refractory to various treatments, including oral, topical and intralesional corticosteroids, immunosuppressants, cyclosporin and PUVA (oxoralen plus ultraviolet light), all interrupted due to side effects...
September 2016: Case Reports in Dermatology
https://www.readbyqxmd.com/read/27834227/allergic-contact-dermatitis-from-acrylic-nails-in-a-flamenco-guitarist
#9
F A Alcántara-Nicolás, M A Pastor-Nieto, C Sánchez-Herreros, R Pérez-Mesonero, V Melgar-Molero, A Ballano, E De-Eusebio
Acrylates are molecules that are well known for their strong sensitizing properties. Historically, many beauticians and individuals using store-bought artificial nail products have developed allergic contact dermatitis from acrylates. More recently, the use of acrylic nails among flamenco guitarists to strengthen their nails has become very popular. A 40-year-old non-atopic male patient working as a flamenco guitarist developed dystrophy, onycholysis and paronychia involving the first four nails of his right hand...
December 2016: Occupational Medicine
https://www.readbyqxmd.com/read/27540367/finger-forces-in-clarinet-playing
#10
Alex Hofmann, Werner Goebl
Clarinettists close and open multiple tone holes to alter the pitch of the tones. Their fingering technique must be fast, precise, and coordinated with the tongue articulation. In this empirical study, finger force profiles and tongue techniques of clarinet students (N = 17) and professional clarinettists (N = 6) were investigated under controlled performance conditions. First, in an expressive-performance task, eight selected excerpts from the first Weber Concerto were performed. These excerpts were chosen to fit in a 2 × 2 × 2 design (register: low-high; tempo: slow-fast, dynamics: soft-loud)...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27445885/the-eyeharp-a-gaze-controlled-digital-musical-instrument
#11
Zacharias Vamvakousis, Rafael Ramirez
We present and evaluate the EyeHarp, a new gaze-controlled Digital Musical Instrument, which aims to enable people with severe motor disabilities to learn, perform, and compose music using only their gaze as control mechanism. It consists of (1) a step-sequencer layer, which serves for constructing chords/arpeggios, and (2) a melody layer, for playing melodies and changing the chords/arpeggios. We have conducted a pilot evaluation of the EyeHarp involving 39 participants with no disabilities from both a performer and an audience perspective...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27336200/new-insights-into-the-negative-thermal-expansion-direct-experimental-evidence-for-the-guitar-string-effect-in-cubic-scf3
#12
Lei Hu, Jun Chen, Andrea Sanson, Hui Wu, Clara Guglieri Rodriguez, Luca Olivi, Yang Ren, Longlong Fan, Jinxia Deng, Xianran Xing
The understanding of the negative thermal expansion (NTE) mechanism remains challenging but critical for the development of NTE materials. This study sheds light on NTE of ScF3, one of the most outstanding materials with NTE. The local dynamics of ScF3 has been investigated by a combined analysis of synchrotron-based X-ray total scattering, extended X-ray absorption fine structure, and neutron powder diffraction. Very interestingly, we observe that (i) the Sc-F nearest-neighbor distance strongly expands with increasing temperature, while the Sc-Sc next-nearest-neighbor distance contracts, (ii) the thermal ellipsoids of relative vibrations between Sc-F nearest-neighbors are highly elongated in the direction perpendicular to the Sc-F bond, indicating that the Sc-F bond is much softer to bend than to stretch, and (iii) there is mainly dynamically transverse motion of fluorine atoms, rather than static shifts...
July 13, 2016: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/27333614/automatic-measurement-of-thalamic-diameter-in-2d-fetal-ultrasound-brain-images-using-shape-prior-constrained-regularized-level-sets
#13
Pradeeba Sridar, Ashnil Kumar, Changyang Li, Joyce Woo, Ann Quinton, Ron Benzie, Michael Peek, Dagan Feng, Krishna Kumar Ramarathnam, Ralph Nanan, Jinman Kim
We derived an automated algorithm for accurately measuring the thalamic diameter from 2D fetal ultrasound (US) brain images. The algorithm overcomes the inherent limitations of the US image modality: non-uniform density, missing boundaries, and strong speckle noise. We introduced a 'guitar' structure that represents the negative space surrounding the thalamic regions. The guitar acts as a landmark for deriving the widest points of the thalamus even when its boundaries are not identifiable. We augmented a generalized level-set framework with a shape prior and constraints derived from statistical shape models of the guitars; this framework was used to segment US images and measure the thalamic diameter...
June 20, 2016: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/27322661/carriers-for-the-tunable-release-of-therapeutics-etymological-classification-and-examples
#14
Vuk Uskoković, Shreya Ghosh
Introduction Physiological processes at the molecular level take place at precise spatiotemporal scales, which vary from tissue to tissue and from one patient to another, implying the need for carriers that enable tunable release of therapeutics. Areas covered Classification of all drug release to intrinsic and extrinsic is proposed, followed by the etymological clarification of the term 'tunable' and its distinction from the term 'tailorable'. Tunability is defined as analogous to tuning a guitar string or a radio receiver to the right frequency using a single knob...
December 2016: Expert Opinion on Drug Delivery
https://www.readbyqxmd.com/read/27239475/guitar-an-r-bioconductor-package-for-gene-annotation-guided-transcriptomic-analysis-of-rna-related-genomic-features
#15
Xiaodong Cui, Zhen Wei, Lin Zhang, Hui Liu, Lei Sun, Shao-Wu Zhang, Yufei Huang, Jia Meng
Biological features, such as genes and transcription factor binding sites, are often denoted with genome-based coordinates as the genomic features. While genome-based representation is usually very effective in correlating various biological features, it can be tedious to examine the relationship between RNA-related genomic features and the landmarks of RNA transcripts with existing tools due to the difficulty in the conversion between genome-based coordinates and RNA-based coordinates. We developed here an open source Guitar R/Bioconductor package for sketching the transcriptomic view of RNA-related biological features represented by genome based coordinates...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27036278/active-control-and-sound-synthesis-two-different-ways-to-investigate-the-influence-of-the-modal-parameters-of-a-guitar-on-its-sound
#16
Simon Benacchio, Adrien Mamou-Mani, Baptiste Chomette, Victor Finel
The vibrational behavior of musical instruments is usually studied using physical modeling and simulations. Recently, active control has proven its efficiency to experimentally modify the dynamical behavior of musical instruments. This approach could also be used as an experimental tool to systematically study fine physical phenomena. This paper proposes to use modal active control as an alternative to sound simulation to study the complex case of the coupling between classical guitar strings and soundboard...
March 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/27023289/presence-of-scapular-dysfunction-in-dominant-shoulder-of-professional-guitar-players
#17
Nidhi A Shah, Apurv P Shimpi, Savita A Rairikar, Shyam Ashok, Parag K Sancheti
BACKGROUND: Playing guitar can cause adoption of asymmetric postures and affect the shoulder's stability. OBJECTIVE: To assess the presence of scapular dysfunction in professional guitar players. METHOD: A lateral scapular slide test was performed at the level of the spine of the scapula and at the inferior angle of the scapula in 20 professional guitar players (age: 18-40 years) and was compared with 20 age-matched non-players at angles of 0°, 45° and 90° of shoulder abduction with both limbs loaded with 0...
September 2016: International Journal of Occupational Safety and Ergonomics: JOSE
https://www.readbyqxmd.com/read/26991718/distress-screening-is-a-good-beginning
#18
Joan Miller
No abstract text is available yet for this article.
April 2016: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/26952165/successful-treatment-of-a-guitarist-with-a-finger-joint-injury-using-instrument-assisted-soft-tissue-mobilization-a-case-report
#19
M Terry Loghmani, Amy J Bayliss, Greg Clayton, Evelina Gundeck
Finger injuries are common and can greatly affect a musician's quality of life. A 55-year-old man, who had injured the proximal interphalangeal joint of the left index finger 6 months prior to any intervention, was treated with a manual therapy approach incorporating instrument-assisted soft tissue mobilization (IASTM). Initial examination findings included self-reported pain and functional limitations and physical impairments that significantly impeded his ability to play the acoustic guitar. He was treated once a week for 6 weeks with IASTM, joint mobilization, therapeutic exercise, and ice massage...
December 2015: Journal of Manual & Manipulative Therapy
https://www.readbyqxmd.com/read/26914457/memory-systems-in-the-rat-effects-of-reward-probability-context-and-congruency-between-working-and-reference-memory
#20
William A Roberts, Nicole A Guitar, Heidi L Marsh, Hayden MacDonald
The interaction of working and reference memory was studied in rats on an eight-arm radial maze. In two experiments, rats were trained to perform working memory and reference memory tasks. On working memory trials, they were allowed to enter four randomly chosen arms for reward in a study phase and then had to choose the unentered arms for reward in a test phase. On reference memory trials, they had to learn to visit the same four arms on the maze on every trial for reward. Retention was tested on working memory trials in which the interval between the study and test phase was 15 s, 15 min, or 30 min...
May 2016: Animal Cognition
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