Timothy J Williamson1,2, KaMala S Thomas3, Naomi I Eisenberger4, Annette L Stanton4,5,6,7. 1. Department of Psychology, University of California, 1285 Franz Hall, Box 951563, Los Angeles, CA, 90095, USA. tjwilliamson@ucla.edu. 2. Department of Psychology, Pitzer College, Claremont, CA, USA. tjwilliamson@ucla.edu. 3. Department of Psychology, Pitzer College, Claremont, CA, USA. 4. Department of Psychology, University of California, 1285 Franz Hall, Box 951563, Los Angeles, CA, 90095, USA. 5. Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA, USA. 6. Cousins Center of Psychoneuroimmunology, Semel Institute, University of California, Los Angeles, CA, USA. 7. Center for Cancer Prevention and Control Research, Jonsson Comprehensive Cancer Center, University of California, Los Angeles, CA, USA.
Abstract
PURPOSE: Socially disconnected individuals have worse health than those who feel socially connected. The mechanisms through which social disconnection influences physiological and psychological outcomes warrant study. The current study tested whether experimental manipulations of social exclusion, relative to inclusion, influenced subsequent cardiovascular (CV) and affective reactivity to socially evaluative stress. METHODS:Young adults (N = 81) were assigned through block randomization to experience either social exclusion or inclusion, using a standardized computer-based task (Cyberball). Immediately after exposure to Cyberball, participants either underwent a socially evaluative stressor or an active control task, based on block randomization. Physiological activity (systolic blood pressure (SBP), diastolic blood pressure (DBP), heart rate (HR)) and state anxiety were assessed throughout the experiment. RESULTS: Excluded participants evidenced a significant increase in cardiovascular and affective responses to a socially evaluative stressor. Included participants who underwent the stressor evidenced similar increases in anxiety, but systolic blood pressure, diastolic blood pressure, and heart rate did not change significantly in response to the stressor. CONCLUSIONS: Results contribute to the understanding of physiological consequences of social exclusion. Further investigation is needed to test whether social inclusion can buffer CV stress reactivity, which would carry implications for how positive social factors may protect against the harmful effects of stress.
RCT Entities:
PURPOSE: Socially disconnected individuals have worse health than those who feel socially connected. The mechanisms through which social disconnection influences physiological and psychological outcomes warrant study. The current study tested whether experimental manipulations of social exclusion, relative to inclusion, influenced subsequent cardiovascular (CV) and affective reactivity to socially evaluative stress. METHODS: Young adults (N = 81) were assigned through block randomization to experience either social exclusion or inclusion, using a standardized computer-based task (Cyberball). Immediately after exposure to Cyberball, participants either underwent a socially evaluative stressor or an active control task, based on block randomization. Physiological activity (systolic blood pressure (SBP), diastolic blood pressure (DBP), heart rate (HR)) and state anxiety were assessed throughout the experiment. RESULTS: Excluded participants evidenced a significant increase in cardiovascular and affective responses to a socially evaluative stressor. Included participants who underwent the stressor evidenced similar increases in anxiety, but systolic blood pressure, diastolic blood pressure, and heart rate did not change significantly in response to the stressor. CONCLUSIONS: Results contribute to the understanding of physiological consequences of social exclusion. Further investigation is needed to test whether social inclusion can buffer CV stress reactivity, which would carry implications for how positive social factors may protect against the harmful effects of stress.
Entities:
Keywords:
Blood pressure; Cyberball; Social exclusion; Stress reactivity; TSST
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