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Ruigrok, A. N., Salimi-Khoshidi, G., Lai, M. C., Baron-Cohen, S., Lombardo, M. V., Trait, R. J., & Suckling, J. (2013). A Meta-Analysis of Sex Differences in Human Brain Structure. Neuroscience & Biobehavioral Reviews, 39, 34-50.

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• TITLE: Cardiovascular Reactivity to Short Duration Videos in Adolescents: An Exploratory Study

  AUTHORS: Julia Leclerc, Juliette Samson, Frederike Carrier-Toutant, Jacques E. Leclerc

  KEYWORDS: Adolescents, Cardiovascular Activity, Short Duration Videos, Humor, Sadness, Violence

  JOURNAL NAME: Advances in Anthropology, Vol.4 No.3, August 20, 2014

  ABSTRACT: The objective of this study is to observe the cardiovascular changes associated to the visualization of three YouTube video sequences: humor-sad-violent in an adolescent population. Thirty-two adolescents (16 males and 16 females) were shown three YouTube one-minute sequences (humor-sad-violent). At key points during the sequences, the cardiac rate (HR) and blood pressure (BP) were recorded. A subjective perceptual evaluation of the videos was obtained. Statistical evaluation of the data was done with the Mann-Whitney test. Minor changes in HR and the diastolic blood pressure (DP) were recorded but did not prove to be statistically significant. Of statistical significance (p p = 0.067). In this exploratory study, exposure to a violent video sequence was associated with a decrease of the male adolescents’ average systolic pressure. It is suggested that such a response may mean a relaxing effect due to this activity. Further investigation is required with a larger cohort and continuous monitoring to confirm these findings.