17 research outputs found

    Social Neuroscience: More Friends, More Problems…More Gray Matter?

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    SummaryThe social brain hypothesis generically posits that increasing social group size relates is associated with an increase in neocortex size. A new study identifies, within a species, the specific neural circuit that may confer the primate ability to manage social relationships as they increase in number

    Night Tunnels

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    Beyond Dyadic Interactions: The Dynamics of Triadic Interactions in the Common Marmoset (Callithrix jacchus)

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    Most studies model vocal communication in dyadic (two-way) interactions. Yet dyadic interactions fail to capture the full range of naturalistic interactions that occur between multiple interlocutors. This study compared the dynamics of common marmoset (Callithrix jacchus) vocalizations in triadic (three-way) interactions with dyadic interactions in order to determine whether dyadic interactions are indeed a valid model for multi-speaker interactions. The timing and duration of marmosets’ phee calls varied in dyadic and triadic interactions. The probability of paired cagemates, opposite-sex non-cagemates, and same-sex non-cagemates calling to each other also varied within and across social contexts. Social context, sex, and sociosexual relationships appeared to influence communication. Triadic interactions therefore represent more than the sum of two dyadic interactions

    Supplemental materials for preprint: Sleep and Affect: A Conceptual Review

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    Exploring the Role of Sleep Stage Transitions in Overnight Affect Change

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    The goal of the present study is to explore the relationship between transitions between sleep stages (scored by both human and automatic staging methods) and changes from pre- to post-sleep affect

    Sleep, affect reactivity, and affect regulation in the context of sleep bruxism

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    This study examines the relationship between sleep and negative affect reactivity and regulation. The sample contains adults with or without sleep bruxism

    Stress, Sleep, and Coping Self-Efficacy in Adolescents

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    10.1007/s10964-020-01337-4JOURNAL OF YOUTH AND ADOLESCENCE503485-50
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