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social interactions

Tamanna Jahan Mony, Jae Won Lee, Cheryl Dreyfus, Emanuel DiCicco-Bloom, Hee Jae Lee
Objective: We reported that postnatal exposure of rats to valproic acid (VPA) stimulated proliferation of glial precursors during cortical gliogenesis. However, there are no reports whether enhanced postnatal gliogenesis affects behaviors related to neuropsychiatric disorders. Methods: After VPA treatment during the postnatal day (PND) 2 to PND 4, four behavioral test, such as open field locomotor test, elevated plus maze test, three-chamber social interaction test, and passive avoidance test, were performed at PND 21 or 22...
November 30, 2016: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
Emma S Spiro, Andrés Monroy-Hernández
In this paper we examine two protests characterized by substantial social media presence and distributed participation frameworks via two core questions: what roles did organizations and individuals play, and how did participants' social interactions change over the course of the protests? To answer these questions, we analyzed a large Twitter activity dataset for the #YoSoy132 student uprising in Mexico and Brazil's "bus rebellion." Results indicate that individuals initially took prominence at the protests but faded in importance as the movements dwindled and organizations took over...
2016: PloS One
Yuko Okumura, Tessei Kobayashi, Shoji Itakura
Social cues in interaction with others enable infants to extract useful information from their environment. Although previous research has shown that infants process and retain different information about an object depending on the presence of social cues, the effect of eye contact as an isolated independent variable has not been investigated. The present study investigated how eye contact affects infants' object processing. Nine-month-olds engaged in two types of social interactions with an experimenter. When the experimenter showed an object without eye contact, the infants processed and remembered both the object's location and its identity...
2016: PloS One
Lisa Groshong, Sonja A Wilhelm Stanis, Andrew T Kaczynski, J Aaron Hipp, Gina M Besenvi
BACKGROUND: Public parks hold promise for promoting population-level PA, but studies show a significant portion of park use is sedentary. Past research has documented the effectiveness of message-based strategies for influencing diverse behaviors in park settings and for increasing PA in non-park contexts. Therefore, to inform message-based interventions (e.g., point-of-decision prompts) to increase park-based PA, the purpose of this study was to elicit insights about key attitudes, perceived norms, and personal agency that affect park use and park-based PA in low-income urban neighborhoods...
October 24, 2016: Journal of Physical Activity & Health
Tammy English, Jordan Davis, Melissa Wei, James J Gross
Homesickness can put individuals at risk for a host of adjustment difficulties. The millions of students that leave home for college each year may be particularly susceptible to experiencing homesickness. There is little work, however, examining individual variation in homesickness over time and how these changes predict different outcomes in college. The present study examines weekly levels of homesickness during the first term of college and tests the associations between homesickness and various aspects of adjustment...
October 24, 2016: Emotion
Anarina L Murillo, Muntaser Safan, Carlos Castillo-Chavez, Elizabeth D Capaldi Phillips, Devina Wadhera
Eating behaviors among a large population of children are studied as a dynamic process driven by nonlinear interactions in the sociocultural school environment. The impact of food association learning on diet dynamics, inspired by a pilot study conducted among Arizona children in Pre-Kindergarten to 8th grades, is used to build simple population-level learning models. Qualitatively, mathematical studies are used to highlight the possible ramifications of instruction, learning in nutrition, and health at the community level...
August 1, 2016: Mathematical Biosciences and Engineering: MBE
Enrico Ubaldi, Nicola Perra, Márton Karsai, Alessandro Vezzani, Raffaella Burioni, Alessandro Vespignani
The dynamic of social networks is driven by the interplay between diverse mechanisms that still challenge our theoretical and modelling efforts. Amongst them, two are known to play a central role in shaping the networks evolution, namely the heterogeneous propensity of individuals to i) be socially active and ii) establish a new social relationships with their alters. Here, we empirically characterise these two mechanisms in seven real networks describing temporal human interactions in three different settings: scientific collaborations, Twitter mentions, and mobile phone calls...
October 24, 2016: Scientific Reports
Sarah Raz, Jamie C Piercy, Andrew M Heitzer, Brittany N Peters, Julie Bapp Newman, Angela K DeBastos, Noa Ofen, Beau Batton, Daniel G Batton
OBJECTIVES: A limited body of research is available on the relationships between multiplicity of birth and neuropsychological functioning in preterm children who were conceived in the age of assisted reproductive technology and served by the modern neonatal intensive care unit. Our chief objective was to evaluate whether, after adjustment for sociodemographic factors and perinatal complications, twin birth accounted for a unique portion of developmental outcome variance in children born at-risk in the surfactant era...
October 2016: Journal of the International Neuropsychological Society: JINS
Ana F Teixeira, Sónia F Dias
OBJECTIVES: This study aims at examining how factors relating to immigrants' experience in the host country affect psychological distress (PD). Specifically, we analyzed the association among socio-economic status (SES), integration in the labor market, specific immigration experience characteristics, and PD in a multi-ethnic sample of immigrant individuals residing in Lisbon, Portugal. DESIGN: Using a sample (n = 1375) consisting of all main immigrant groups residing in Portugal's metropolitan area of Lisbon, we estimated multivariable linear regression models of PD regressed on selected sets of socio-economic independent variables...
October 24, 2016: Ethnicity & Health
Stephen J Sheinkopf, Elena J Tenenbaum, Daniel S Messinger, Cynthia L Miller-Loncar, Ed Tronick, Linda L Lagasse, Seetha Shankaran, Henrietta Bada, Charles Bauer, Toni Whitaker, Jane Hammond, Barry M Lester
Using existing longitudinal data from 570 infants in the Maternal Lifestyle Study, we explored the predictive value of maternal and infant affect and maternal vocalizations during 2 minutes of face-to-face interactions at 4 months on IQ scores at 4.5 and 7 years. After controlling for demographic factors, maternal depression, and prenatal drug exposure, maternal positive affect and maternal positive vocalizations emerged as predictors of both verbal and performance IQ at 4.5 and 7 years. Although infant positive affect during the interaction with the mother was not predictive of these outcome measures, infant positive affect towards an examiner predicted verbal but not performance IQ at 4...
October 23, 2016: Developmental Science
Donald Glowinski, Fabrizio Bracco, Carlo Chiorri, Didier Grandjean
The present contribution provides readers from diverse fields of psychology with a new and comprehensive model for the understanding of the characteristics of music ensembles. The model is based on a novel heuristic approach whose key construct is resilience, intended here as the ability of a system to adapt to external perturbations and anticipate future events. The paper clarifies the specificity of music ensemble as an original social and creative activity, and how some mechanisms, at an individual (cognitive) and group (coordination) level, are enacted in a particular way that endows these groups with exceptional capacity for resilience...
2016: Frontiers in Psychology
Helen E Vuong, Elaine Y Hsiao
Autism spectrum disorder (ASD) is a serious neurodevelopmental disorder that affects one in 45 children in the United States, with a similarly striking prevalence in countries around the world. However, mechanisms underlying its etiology and manifestations remain poorly understood. Although ASD is diagnosed based on the presence and severity of impaired social communication and repetitive behavior, immune dysregulation and gastrointestinal issues are common comorbidities. The microbiome is an integral part of human physiology; recent studies show that changes in the gut microbiota can modulate gastrointestinal physiology, immune function, and even behavior...
August 26, 2016: Biological Psychiatry
Adrian Viliami Bell, Daniel Hernandez
Understanding the prevalence of adaptive culture in part requires understanding the dynamics of learning. Here we explore the adaptive value of social learning in groups and how formal social groups function as effective mediums of information exchange. We discuss the education literature on Cooperative Learning Groups (CLGs), which outlines the potential of group learning for enhancing learning outcomes. Four qualities appear essential for CLGs to enhance learning: (1) extended conversations, (2) regular interactions, (3) gathering of experts, and (4) incentives for sharing knowledge...
October 22, 2016: Human Nature: An Interdisciplinary Biosocial Perspective
Leonardo de Carvalho Oliveira, Juliana Monteiro de Almeida Rocha, Paula Pedreira Dos Reis, James Dietz
The advantages of living in a group include feeding benefits and/or predation avoidance, while the disadvantages are typically related to competition. One way to avoid competition while maintaining the benefits of living in a group is to form interspecific associations with species with relatively little dietary overlap. Here we report a stable association between a male golden-headed lion tamarin (GHLT), Leontopithecus chrysomelas, and a group of Wied's black-tufted-ear marmosets (WBTMs), Callithrix kuhlii...
October 22, 2016: Primates; Journal of Primatology
Emily M Carrigan, Marie Coppola
Constructivist accounts of language acquisition maintain that the language learner aims to match a target provided by mature users. Communicative problem solving in the context of social interaction and matching a linguistic target or model are presented as primary mechanisms driving the language development process. However, research on the development of homesign gesture systems by deaf individuals who have no access to a linguistic model suggests that aspects of language can develop even when typical input is unavailable...
October 20, 2016: Cognition
Rubin Khoddam, Nicholas J Jackson, Adam M Leventhal
AIM: The complex interplay of externalizing and internalizing problems in substance use risk is not well understood. This study tested whether the relationship of conduct problems and several internalizing disorders with future substance use is redundant, incremental, or interactive in adolescents. METHODS: Two semiannual waves of data from the Happiness and Health Study were used, which included 3383 adolescents (M age=14.1years old; 53% females) in Los Angeles who were beginning high school at baseline...
October 17, 2016: Drug and Alcohol Dependence
Henry J Whittle, Kartika Palar, Hilary K Seligman, Tessa Napoles, Edward A Frongillo, Sheri D Weiser
RATIONALE: Food-insecure people living with HIV/AIDS (PLHIV) consistently exhibit worse clinical outcomes than their food-secure counterparts. This relationship is mediated in part through non-adherence to antiretroviral therapy (ART), sub-optimal engagement in HIV care, and poor mental health. An in-depth understanding of how these pathways operate in resource-rich settings, however, remains elusive. OBJECTIVE: We aimed to understand the relationship between food insecurity and HIV health among low-income individuals in the San Francisco Bay Area using qualitative methods...
October 4, 2016: Social Science & Medicine
R Esteban, P Verborgh, P Gauffier, D Alarcón, J M Salazar-Sierra, J Giménez, A D Foote, R de Stephanis
Killer whales (Orcinus orca) in the Mediterranean Sea are currently restricted to the Strait of Gibraltar and surrounding waters. Thirty-nine individuals were present in 2011, with a well-differentiated social structure, organized into five pods. Killer whale occurrence in the Strait is apparently related to the migration of their main prey, Atlantic bluefin tuna (Thunnus thynnus). In spring, whale distribution was restricted to shallow waters off the western coast of the Strait where all pods were observed actively hunting tuna...
2016: Advances in Marine Biology
Daniela Mier, Sarah Eisenacher, Franziska Rausch, Susanne Englisch, Martin Fungisai Gerchen, Vera Zamoscik, Andreas Meyer-Lindenberg, Mathias Zink, Peter Kirsch
Schizophrenia is associated with significant impairments in social cognition. These impairments have been shown to go along with altered activation of the posterior superior temporal sulcus (pSTS). However, studies that investigate connectivity of pSTS during social cognition in schizophrenia are sparse. Twenty-two patients with schizophrenia and 22 matched healthy controls completed a social-cognitive task for functional magnetic resonance imaging that allows the investigation of affective Theory of Mind (ToM), emotion recognition and the processing of neutral facial expressions...
October 21, 2016: European Archives of Psychiatry and Clinical Neuroscience
Erica Borgstrom
This review will outline various ways in which the notion of 'social death' can be understood, and how they can be related to clinical practice. The idea of social death is used to analytically represent how someone can be identified and treated as if they are ontologically deficient - meaning that they are not seen as being 'fully human.' This impacts on their position within society and how they are interacted with. This review will consider three examples of social death - often distinguished from physical or biological death - that are important for clinical practice: loss of agency and identity; treating people as if they are already dead; and, rituals and bereavement...
October 20, 2016: QJM: Monthly Journal of the Association of Physicians
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