Publications by authors named "P A Barnwell"

Lost Mary is a popular e-cigarette brand among youth in the United States. This study aimed to analyze Lost Mary's branded social media activity and assess whether marketing efforts may have contributed to its youth appeal. We conducted a content analysis of 53 Lost Mary posts published on social media platforms from 2022 to 2023.

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College students' beliefs and attitudes concerning concussion, and masculinity norms, were examined in relation to stigma and willingness to seek treatment for possible concussion. Beliefs were measured using a revised Illness Perception Questionnaire (IPQ). : Participants were 631 undergraduates at a Northeastern university, most of whom were nonathletes with no concussion.

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To examine college students' conflicting COVID-19 information exposure, information-seeking, concern, and cognitive functioning. 179 undergraduates were recruited in March-April 2020, and 220 in September 2020 (Samples 1 and 2, respectively). Students completed the Attention Network Test, NASA Task Load Index, and COVID-related questions.

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Background: The late positive potential (LPP) is a neural marker of attention to emotional stimuli; dysregulations in those attentional processes might contribute to trauma-related psychopathology. Although higher LPP amplitudes to negative images have been found to be associated with anxiety symptoms, results have been mixed regarding depressive and PTSD symptoms, especially among trauma-exposed populations. Further, the relationships between the LPP to positive and neutral images and psychopathology symptoms have been underexamined.

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