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https://www.readbyqxmd.com/read/27834227/allergic-contact-dermatitis-from-acrylic-nails-in-a-flamenco-guitarist
#1
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...
November 7, 2016: Occupational Medicine
https://www.readbyqxmd.com/read/27540367/finger-forces-in-clarinet-playing
#2
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
#3
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
#4
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
#5
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
#6
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...
June 27, 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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
https://www.readbyqxmd.com/read/26871885/musical-molecules-the-molecular-junction-as-an-active-component-in-audio-distortion-circuits
#13
Adam Johan Bergren, Lucas Zeer-Wanklyn, Mitchell Semple, Nikola Pekas, Bryan Szeto, Richard L McCreery
Molecular junctions that have a non-linear current-voltage characteristic consistent with quantum mechanical tunneling are demonstrated as analog audio clipping elements in overdrive circuits widely used in electronic music, particularly with electric guitars. The performance of large-area molecular junctions fabricated at the wafer level is compared to currently standard semiconductor diode clippers, showing a difference in the sound character. The harmonic distributions resulting from the use of traditional and molecular clipping elements are reported and discussed, and differences in performance are noted that result from the underlying physics that controls the electronic properties of each clipping component...
March 9, 2016: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/26723347/extraction-and-analysis-of-body-induced-partials-of-guitar-tones
#14
Vincent Fréour, François Gautier, Bertrand David, Marthe Curtit
Guitar plucked sounds arise from a rapid input of energy applied to the string coupled to the instrument body at the bridge. For the radiated pressure, this results in quasi-harmonic contributions, reflecting the string modes coupled to the body, as well as some transient and quickly decaying components reflecting the excitation of the body modes of the instrument. In order to evaluate the relevance of this transient body sound, a high resolution analysis-synthesis method is described for the extraction of the body-mode contribution from the radiated pressure measured in the near field of the guitar top plate...
December 2015: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/26685979/the-influence-of-sounds-on-posture-control
#15
Bożena Siedlecka, Małgorzata Sobera, Aleksandra Sikora, Izabela Drzewowska
PURPOSE: It is still not clear which parameters of sound are the most significant for body reactions and whether the way of sound reception plays a role in body control. The purpose of this study was to determine the influence of frequency, spectrum and loudness of sounds on posture control in healthy women and men. METHODS: The study subjects were 29 young adults who were submitted to a 60-second standing test in the bipedal stance on the force platform (AMTI)...
2015: Acta of Bioengineering and Biomechanics
https://www.readbyqxmd.com/read/26683390/while-my-guitar-gently-weeps-the-2015-presidential-address-of-the-aast
#16
Thomas M Scalea
No abstract text is available yet for this article.
January 2016: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/26572701/hearing-loss-and-tinnitus-in-rock-musicians-a-norwegian-survey
#17
Carl Christian Lein Størmer, Einar Laukli, Erik Harry Høydal, Niels Christian Stenklev
Our focus in this study was to assess hearing thresholds and the prevalence and characteristics of tinnitus in a large group of rock musicians based in Norway. A further objective was to assess related factors such as exposure, instrument category, and the preventive effect of hearing protection. The study was a cross-sectional survey of rock musicians selected at random from a defined cohort of musicians. A random control group was included for comparison. We recruited 111 active musicians from the Oslo region, and a control group of 40 nonmusicians from the student population at the University of TromsØ...
November 2015: Noise & Health
https://www.readbyqxmd.com/read/26568220/dementia-distributed-interactional-competence-and-social-membership
#18
Trude Gjernes, Per Måseide
The article analyzes how a person with dementia playing a guitar collaborates with other people in a joint activity. The analysis shows that a person with dementia may gain social membership in a group of persons with and without dementia through social interaction, collaboration, scaffolding and use of material anchors. It shows that interactional skills as well as skills as guitar player are not only products of a mind-body system, but also a product of collaboration between different actors with different participant statuses in a particular situation...
December 2015: Journal of Aging Studies
https://www.readbyqxmd.com/read/26520339/an-investigation-of-prior-knowledge-in-automatic-music-transcription-systems
#19
Dorian Cazau, Guillaume Revillon, Julien Krywyk, Olivier Adam
Automatic transcription of music is a long-studied research field with many operational systems available commercially. In this paper, a generic transcription system able to host various prior knowledge parameters has been developed, followed by an in-depth investigation of their impact on music transcription. Explicit links between musical knowledge and algorithmic formalism have been made. Musical knowledge covers classes of timbre, musicology, and playing style of an instrument repertoire. An evaluation sound corpus gathering musical pieces played by human performers from three different instrument repertoires, namely, classical piano, steel-string acoustic guitar, and the marovany zither from Madagascar, has been developed...
October 2015: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/26442347/guitar-man
#20
Suzy Frisch
No abstract text is available yet for this article.
September 2015: Minnesota Medicine
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