Social and Behavioral Sciences Commons^™

Age Patterns In Risk Taking Across The World, Natasha Duell, Laurence Steinberg, Grace Icenogle, Jason Chein, Nandita Chaudhary, Laura Di Giunta, Kenneth A. Dodge, Kostas A. Fanti, Jennifer E. Lansford, Paul Oburu, Concetta Pastorelli, Ann T. Skinner, Emma Sorbring, Sombat Tapanya, Liliana Maria Uribe Tirado, Liane Peña Alampay, Suha M. Al-Hassan, Hanan M S Takash, Dario Bacchini, Lei Chang

Psychology Department Faculty Publications

Epidemiological data indicate that risk behaviors are among the leading causes of adolescent morbidity and mortality worldwide. Consistent with this, laboratory-based studies of age differences in risk behavior allude to a peak in adolescence, suggesting that adolescents demonstrate a heightened propensity, or inherent inclination, to take risks. Unlike epidemiological reports, studies of risk taking propensity have been limited to Western samples, leaving questions about the extent to which heightened risk taking propensity is an inherent or culturally constructed aspect of adolescence. In the present study, age patterns in risk-taking propensity (using two laboratory tasks: the Stoplight and the BART) and …

Young Children With Down Syndrome Show Normal Development Of Circadian Rhythms, But Poor Sleep Efficiency: A Cross-Sectional Study Across The First 60 Months Of Life, Fabian Fernandez, Casandra C. Nyhuis, Payal Anand, Bianca I. Demara, Norman F. Ruby, Goffredina Spano, Caron Clark, Jamie O. Edgin

Department of Educational Psychology: Faculty Publications

Objectives: To evaluate sleep consolidation and circadian activity rhythms in infants and toddlers with Down syndrome (DS) under light and socially entrained conditions within a familiar setting. Given previous human and animal data suggesting intact circadian regulation of melatonin across the day and night, it was hypothesized that behavioral indices of circadian rhythmicity would likewise be intact in the sample with DS.

Methods: A cross-sectional study of 66 infants and young children with DS, aged 5e67 months, and 43 typically developing age-matched controls. Sleep and measures of circadian robustness or timing were quantified using continuous in-home actigraphy recordings performed over …