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https://www.readbyqxmd.com/read/29659332/learning-from-your-mistakes-does-it-matter-if-you-re-out-in-left-foot-i-mean-field
#1
Andrée-Ann Cyr, Nicole D Anderson
Studies have shown that generating errors prior to studying information (pencil-?) can improve target retention relative to passive (i.e., errorless) study, provided that cues and targets are semantically related (pencil-ink) and not unrelated (pencil-frog). In two experiments, we manipulated semantic proximity of errors to targets during trial-and-error to examine whether it would modulate this error generation benefit. In Experiment 1, participants were shown a cue (band-?) and asked to generate a related word (e...
April 16, 2018: Memory
https://www.readbyqxmd.com/read/29543978/hyperbrain-network-properties-of-guitarists-playing-in-quartet
#2
Viktor Müller, Johanna Sänger, Ulman Lindenberger
When playing music in an ensemble, musicians need to precisely coordinate their actions with one another. As shown in our previous studies on guitar duets, interbrain synchronization plays an essential role during such interactions. In this study, we simultaneously recorded electroencephalograms from four guitarists during quartet playing, to explore the extent and the functional significance of synchronized cortical activity across four brains. We found that hyperbrain networks based on intra- and interbrain connectivity across four brains dwell on higher frequencies for intrabrain communication and on lower frequencies for interbrain connections...
March 15, 2018: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/29532301/medical-schools-should-admit-more-guitar-players
#3
EDITORIAL
Rebecca L Volpe, Michael J Green
No abstract text is available yet for this article.
March 12, 2018: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/29291089/the-minor-fall-the-major-lift-inferring-emotional-valence-of-musical-chords-through-lyrics
#4
Artemy Kolchinsky, Nakul Dhande, Kengjeun Park, Yong-Yeol Ahn
We investigate the association between musical chords and lyrics by analysing a large dataset of user-contributed guitar tablatures. Motivated by the idea that the emotional content of chords is reflected in the words used in corresponding lyrics, we analyse associations between lyrics and chord categories. We also examine the usage patterns of chords and lyrics in different musical genres, historical eras and geographical regions. Our overall results confirm a previously known association between Major chords and positive valence...
November 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/29289089/pickup-position-and-plucking-point-estimation-on-an-electric-guitar-via-autocorrelation
#5
Zulfadhli Mohamad, Simon Dixon, Christopher Harte
This paper proposes a technique that estimates the locations along the string of the plucking event and the magnetic pickup of an electric guitar based on the autocorrelation of the spectral peaks. To improve accuracy, a method is introduced to flatten the spectrum before applying the autocorrelation function to the spectral peaks. The minimum mean squared error between the autocorrelation of the observed data and the electric guitar model is found in order to estimate the model parameters. The accuracy of the algorithm is tested on various plucking positions on all open strings for each pickup configuration...
December 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/29238318/auditory-perceptual-abilities-are-associated-with-specific-auditory-experience
#6
Yael Zaltz, Eitan Globerson, Noam Amir
The extent to which auditory experience can shape general auditory perceptual abilities is still under constant debate. Some studies show that specific auditory expertise may have a general effect on auditory perceptual abilities, while others show a more limited influence, exhibited only in a relatively narrow range associated with the area of expertise. The current study addresses this issue by examining experience-dependent enhancement in perceptual abilities in the auditory domain. Three experiments were performed...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/29192159/light-and-capillary-waves-propagation-in-water-fibers
#7
Mark L Douvidzon, Shai Maayani, Leopoldo L Martin, Tal Carmon
The confinement of light and sound, while they are traveling in fibers, enables a variety of light-matter interactions. Therefore, it is natural to ask if fibers can also host capillary waves. Capillary waves are similar to those we see when throwing a stone into a puddle. Such capillary waves are prohibited in microfluidic devices where the liquid is bounded by solid walls. In contrast, we have fabricated fibers, which are made entirely from water and are suspended in air. The water fiber can therefore move, e...
November 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29142818/shortness-of-breath-on-exertion-a-cardiac-magnetic-resonance-picture-is-worth-a-thousand-words
#8
Chrysanthos Grigoratos, Andrea Barison, Giancarlo Todiere, Giovanni Donato Aquaro
This is the case of a 78-year-old male patient that underwent a cardiac magnetic resonance (CMR) due to shortness of breath. An unanticipated diagnosis of a giant pseudoaneurysm with a "guitar-like" appearance was made and patient was sent for urgent ventriculoplasty. CMR offered striking illustrative images allowing for previously unsuspected diagnosis to be made and patient's therapeutic management modified. Moreover, in this case, we emphasize the paramount importance of differentiating between true aneurysms, pseudoaneurysms, clefts, and diverticuli since each pathology has completely different management and prognosis that vary from benign to potentially fatal if not immediately treated...
October 2017: Journal of Cardiovascular Echography
https://www.readbyqxmd.com/read/29121833/fitbit-activity-trackers-interrupt-workplace-sedentary-behavior-a-new-application
#9
N A Guitar, A MacDougall, D M Connelly, E Knight
This study investigated whether Fitbit devices can reduce sedentary behavior among employees in the workplace. Participants were asked to wear Fitbits during 8-hour work shifts, 5 days per week, for 8 weeks. They were instructed to stand at least once every 30 minutes throughout the workday. The goal of the study was to determine whether standing once every 30 minutes was a feasible strategy for reducing sedentary workplace behavior. On average, participants completed 36 of 40 workdays using Fitbits. The number of times participants stood during an 8-hour workday averaged 12 stands per day (maximum 16 stands per day)...
November 1, 2017: Workplace Health & Safety
https://www.readbyqxmd.com/read/28934268/the-physics-of-unwound-and-wound-strings-on-the-electric-guitar-applied-to-the-pitch-intervals-produced-by-tremolo-vibrato-arm-systems
#10
Jonathan A Kemp
The physics of wound and unwound strings on the electric guitar are presented here, and the pitch intervals produced by the movements of a Fender Stratocaster tremolo unit are explained. Predicted changes in pitch sensitivity of different strings are given, and experimentally verified, for changes in saddle height, the distance of string free to move behind the nut and ratio of diameters/masses of the core and windings of wound strings. Also, it is shown that changes to the gauge of strings (assuming the string tension is sufficient for linear behaviour and in absence of changes to other construction details) don't alter the pitch intervals produced by a given angle of tremolo arm use assuming the instrument is set up with the same sounding pitches and starting bridge angle...
2017: PloS One
https://www.readbyqxmd.com/read/28479473/using-guitar-learning-to-probe-the-action-observation-network-s-response-to-visuomotor-familiarity
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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