York University

About: York University is a education organization based out in Toronto, Ontario, Canada. It is known for research contribution in the topics: Population & Poison control. The organization has 18899 authors who have published 43357 publications receiving 1568560 citations.

The IllustrisTNG simulations: public data release

Abstract: We present the full public release of all data from the TNG100 and TNG300 simulations of the IllustrisTNG project. IllustrisTNG is a suite of large volume, cosmological, gravo-magnetohydrodynamical simulations run with the moving-mesh code Arepo. TNG includes a comprehensive model for galaxy formation physics, and each TNG simulation self-consistently solves for the coupled evolution of dark matter, cosmic gas, luminous stars, and supermassive black holes from early time to the present day, $z=0$ . Each of the flagship runs—TNG50, TNG100, and TNG300—are accompanied by halo/subhalo catalogs, merger trees, lower-resolution and dark-matter only counterparts, all available with 100 snapshots. We discuss scientific and numerical cautions and caveats relevant when using TNG. The data volume now directly accessible online is ∼750 TB, including 1200 full volume snapshots and ∼80,000 high time-resolution subbox snapshots. This will increase to ∼1.1 PB with the future release of TNG50. Data access and analysis examples are available in IDL, Python, and Matlab. We describe improvements and new functionality in the web-based API, including on-demand visualization and analysis of galaxies and halos, exploratory plotting of scaling relations and other relationships between galactic and halo properties, and a new JupyterLab interface. This provides an online, browser-based, near-native data analysis platform enabling user computation with local access to TNG data, alleviating the need to download large datasets.

A Cross-Cultural Investigation of the Perception of Emotion in Music: Psychophysical and Cultural Cues

Abstract: Studies of the link between music and emotion have primarily focused on listeners' sensitivity to emotion in the music of their own culture. This sensitivity may reflect listeners' enculturation to the conventions of their culture's tonal system. However, it may also reflect responses to psychophysical dimensions of sound that are independent of musical experience. A model of listeners' perception of emotion in music is proposed in which emotion in music is communicated through a combination of universal and cultural cues. Listeners may rely on either of these cues, or both, to arrive at an understanding of musically expressed emotion. The current study addressed the hypotheses derived from this model using a cross-cultural approach. The following questions were investigated: Can people identify the intended emotion in music from an unfamiliar tonal system? If they can, is their sensitivity to intended emotions associated with perceived changes in psychophysical dimensions of music? Thirty Western listeners rated the degree of joy, sadness, anger, and peace in 12 Hindustani raga excerpts (field recordings obtained in North India). In accordance with the raga-rasa system, each excerpt was intended to convey one of the four moods or "rasas" that corresponded to the four emotions rated by listeners. Listeners also provided ratings of four psychophysical variables: tempo, rhythmic complexity, melodic complexity, and pitch range. Listeners were sensitive to the intended emotion in ragas when that emotion was joy, sadness, or anger. Judgments of emotion were significantly related to judgments of psychophysical dimensions, and, in some cases, to instrument timbre. The findings suggest that listeners are sensitive to musically expressed emotion in an unfamiliar tonal system, and that this sensitivity is facilitated by psychophysical cues.

Annual age-grouping and athlete development: a meta-analytical review of relative age effects in sport.

Abstract: Annual age-grouping is a common organizational strategy in sport. However, such a strategy appears to promote relative age effects (RAEs). RAEs refer both to the immediate participation and long-term attainment constraints in sport, occurring as a result of chronological age and associated physical (e.g. height) differences as well as selection practices in annual age-grouped cohorts. This article represents the first meta-analytical review of RAEs, aimed to collectively determine (i) the overall prevalence and strength of RAEs across and within sports, and (ii) identify moderator variables. A total of 38 studies, spanning 1984-2007, containing 253 independent samples across 14 sports and 16 countries were re-examined and included in a single analysis using odds ratios and random effects procedures for combining study estimates. Overall results identified consistent prevalence of RAEs, but with small effect sizes. Effect size increased linearly with relative age differences. Follow-up analyses identified age category, skill level and sport context as moderators of RAE magnitude. Sports context involving adolescent (aged 15-18 years) males, at the representative (i.e. regional and national) level in highly popular sports appear most at risk to RAE inequalities. Researchers need to understand the mechanisms by which RAEs magnify and subside, as well as confirm whether RAEs exist in female and more culturally diverse contexts. To reduce and eliminate this social inequality from influencing athletes' experiences, especially within developmental periods, direct policy, organizational and practitioner intervention is required.