1,720,958 research outputs found
Sensitivity to Social Reward in Music Behavior Changes After Music Training in Preadolescence
Full text linkDuring the last decades, a growing body of research on musical pleasure has shed light on individual differences and mechanisms underlying music reward sensitivity. Music training has been identified as a factor able to affect the rewarding experience associated with music, although in the existing literature, evidence on children is scarce. The current study focused on the effects of music training and individual musical engagement on sensitivity to music reward in preadolescence. One hundred and forty-two students (aged 10-14 years) at three different Italian music middle schools were tested three times over a period of one year and a half. Eighty two children belonged to a music curriculum within the school and 60 belonged to a standard curriculum. The Barcelona Music Reward Questionnaire (BMRQ), a multi-dimensional assessment tool to measure music reward sensitivity, was used, and pre-existing differences in music sophistication were controlled for. Moreover, in addition to the between-group comparison, highlighting the formal music training variable, the actual amount of musical activities and engagement both in and out of school was also taken into account. Several positive effects in terms of music social reward were found for students with a high level of musical engagement. Also, results showed a main effect of gender, with girls showing higher scores than boys in total BMRQ score and in several subdomains. Taken together, these data provide new evidence for the special role played by collective musical activities and suggest that music training may be able to promote social connection in preadolescence
Individuals with substance use disorders experience an increased urge to move to complex music
No full textSubstance use disorders disrupt the dopaminergic system of the human brain, which playsa central role in movement and reward processing, altering perception, and cognition.The pleasurable urge to move to music, known as groove, relies on dopamine for reward,anticipation, beat perception, and motor system activity. Using a well-established paradigm,which shows an inverted-U relationship between groove and musical complexity, we inves-tigated how dopamine downregulation from long-term cocaine and heroin use affects theexperience of music. Drug users experienced stronger groove with high rhythmic and har-monic complexities than nonusers, while moderate complexities elicited similar responsesacross groups. This pattern differs from other populations with altered dopaminergic func-tion, such as Parkinson’s disease or musical anhedonia, highlighting a distinct effect of drugaddiction on music perception. The findings suggest that drug users seek more intense andcomplex stimulation, supporting the hypothesis that a hypodopaminergic state associatedwith drug use raises the threshold for nondrug stimuli to engage the reward syste
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
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