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Silva, Jaime

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Author: Silva, Jaime ×

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Now showing 1 - 5 of 5
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    Publication
    Trajectories of Parental Daily Stress: An Ecological Momentary Assessment Study during the COVID-19 Lockdown
    (2023) Aldoney, Daniela; Coo, Soledad; Pérez, J. Carola; Muñoz-Najar, Andrés; González, Constanza; Montemurro, Manuel; Tapia, Leonel; Gana, Sofía; Silva, Luz María; Panesso, Carolina; Silva, Jaime
    The COVID-19 pandemic was a source of significant stress due to health and safety concerns and measures to control the virus’ spread, such as mobility restrictions. This measure was especially demanding for parents with school aged children, who had to find new work–family balance as their children participate in online education while attempting to work remotely. To evaluate parents’ stress trajectories during the pandemic, we conducted Ecological Momentary Assessments (EMAs) during lockdown for 29 days in 68 families in Santiago, Chile. In addition, we evaluated the role of educational level and income, co-parenting, and number of children in parents’ stress trajectories. Our results showed that during the first weeks of lockdown expected protective factors (i.e., income and co-parental support) were not able to influence parents’ daily stress management. Moreover, parents with higher educational levels reported worse stress adaptation than less educated parents. On the other hand, co-parental conflict was significantly associated with parent’s stress. Our study captured an acute response to COVID-19 related challenges. This study contributes to understanding how parents adjust to stress during adverse circumstances such as the COVID-19 pandemic.
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    Trajectories of parental daily stress: an ecological momentary assessment study during the COVID-19 lockdown
    (2023) Aldoney, Daniela; Coo, Soledad; Pérez Ewert, Janet Carola; Muñoz-Najar Pacheco, Andrés Omar; Montemurro Garcia, Manuel Fernelly; Tapia Aróstica, Leonel; Silva, Jaime; Gonzalez-Mathiesen, Constanza; Silva, Luz María; Gana Gajardo, Sofia; Panesso, Carolina
    The COVID-19 pandemic was a source of significant stress due to health and safety concerns and measures to control the virus’ spread, such as mobility restrictions. This measure was especially demanding for parents with school aged children, who had to find new work–family balance as their children participate in online education while attempting to work remotely. To evaluate parents’ stress trajectories during the pandemic, we conducted Ecological Momentary Assessments (EMAs) during lockdown for 29 days in 68 families in Santiago, Chile. In addition, we evaluated the role of educational level and income, co-parenting, and number of children in parents’ stress trajectories. Our results showed that during the first weeks of lockdown expected protective factors (i.e., incomeand co-parental support) were not able to influence parents’ daily stress management. Moreover, parents with higher educational levels reported worse stress adaptation than less educated parents. On the other hand, co-parental conflict was significantly associated with parent’s stress. Our study captured an acute response to COVID-19 related challenges. This study contributes to understanding how parents adjust to stress during adverse circumstances such as the COVID-19 pandemic.
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    A global experiment on motivating social distancing during the COVID-19 pandemic
    (2022) Legate, Nicole; Nguyen, Thuy-vy; Weinstein, Netta; Moller, Arlen; Legault, Lisa; Vally, Zahir; Tajchman, Zuzanna; Zsido, Andras N.; Zrimsek, Miha; Chen, Zhang; Ziano, Ignazio; Gialitaki, Zoi; Ceary, Chris D.; Jang, Yuna; Lin, Yijun; Kunisato, Yoshihiko; Yamada, Yuki; Xiao, Qinyu; Jiang, Xiaoming; Du, Xinkai; Yao, Elvin; Ryan, William S.; Wilson, John Paul; Cyrus-Lai, Wilson; Jimenez-Leal, William; Law, Wilbert; Unanue, Wenceslao; Collins, W. Matthew; Richard, Karley L.; Vranka, Marek; Ankushev, Vladislav; Schei, Vidar; Lerche, Veronika; Kovic, Vanja; Krizanic, Valerija; Kadreva, Veselina Hristova; Adoric, Vera Cubela; Tran, Ulrich S.; Yeung, Siu Kit; Hassan, Widad; Silva, Jaime; Olaya Torres, Adriana Julieth
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    The Psychological Science Accelerator's COVID-19 rapid-response dataset
    (2023) Buchanan, Erin M.; Lewis, Savannah C.; Paris, Bastien; Forscher, Patrick S.; Pavlacic, Jeffrey M.; Beshears, Julie E.; Drexler, Shira Meir; Gourdon-Kanhukamwe, Amélie; Mallik, Peter R.; Silan, Miguel Alejandro A.; Miller, Jeremy K.; IJzerman, Hans; Moshontz, Hannah; Beaudry, Jennifer L.; Suchow, Jordan W.; Chartier, Christopher R.; Coles, Nicholas A.; Sharifian, Mohammad Hasan; Todsen, Anna Louise; Levitan, Carmel A.; Azevedo, Flávio; Legate, Nicole; Heller, Blake; Rothman, Alexander J.; Dorison, Charles A.; Gill, Brian P.; Wang, Ke; Rees, Vaughan W.; Gibbs, Nancy; Goldenberg, Amit; Nguyen, Thuy-vy Thi; Gross, James J.; Kaminski, Gwenaêl; Bastian, Claudia C. von; Paruzel-Czachura, Mariola; Mosannenzadeh, Farnaz; Azouaghe, Soufian; Tejada Rivera, María del Carmen; Silva, Jaime; Olaya Torres, Adriana Julieth
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    Publication
    Impact of acute psychosocial stress on attentional control in humans. A study of evoked potentials and pupillary response
    (2023) Rojas-Thomas, F.; Artigas, C.; Wainstein, G.; Morales, Juan-Pablo; Arriagada, M.; Soto, D.; Dagnino-Subiabre, A.; Silva, Jaime; López, V.
    Psychosocial stress has increased considerably in our modern lifestyle, affecting global mental health. Deficits in attentional control are cardinal features of stress disorders and pathological anxiety. Studies suggest that changes in the locus coeruleus-norepinephrine system could underlie the effects of stress on top-down attentional control. However, the impact of psychosocial stress on attentional processes and its underlying neural mechanisms are poorly understood. This study aims to investigate the effect of psychosocial stress on attentional processing and brain signatures. Evoked potentials and pupillary activity related to the oddball auditory paradigm were recorded before and after applying the Montreal Imaging Stress Task (MIST). Electrocardiogram (ECG), salivary cortisol, and subjective anxiety/stress levels were measured at different experimental periods. The control group experienced the same physical and cognitive effort but without the psychosocial stress component. The results showed that stressed subjects exhibited decreased P3a and P3b amplitude, pupil phasic response, and correct responses. On the other hand, they displayed an increase in Mismatch Negativity (MMN). N1 amplitude after MIST only decreased in the control group. We found that differences in P3b amplitude between the first and second oddball were significantly correlated with pupillary dilation and salivary cortisol levels. Our results suggest that under social-evaluative threat, basal activity of the coeruleus-norepinephrine system increases, enhancing alertness and decreasing voluntary attentional resources for the cognitive task. These findings contribute to understanding the neurobiological basis of attentional changes in pathologies associated with chronic psychosocial stress.

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