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169reassurance seeking and body dissatisfaction, ASMC and both disordered eating and body dissatisfaction, and between both forms of social media use.POSTER 26EXAMINING THE APERIODIC COMPONENTS OF RESTING-STATE EEG ACTIVITY IN PRIMARY PSYCHOTIC DISORDERSPHOEBE HOLZ (MASSACHUSETTS GENERAL HOSPITAL), ELIZABETH CARON (THE UNIVERSITY OF CHICAGO), MOLLY ERICKSON (THE UNIVERSITY OF CHICAGO) The aperiodic components of EEG activity are a promising biomarker of the mechanisms of cognitive symptoms of primary psychotic disorders (PPDs). We examined group differences in these aperiodic components and their test-retest reliability in 17 people with PPDs and 28 controls. Despite their excellent test-retest reliability, we found no group differences in resting-state aperiodic components and no relationship with cognition or symptom severity, suggesting that they may not be a useful biomarker for future investigation.POSTER 27EXAMINING THE IMPACT OF DISCLOSURE ON PSYCHOLOGICAL OUTCOMES OF INTIMATE PARTNER STALKINGMATTHEW ABELL (TOWSON UNIVERSITY), BRYANNA FLORES (TOWSON UNIVERSITY), ANASTASSIA SOROKINA (TOWSON UNIVERSITY), EMMANUELA ONYILOKWU (TOWSON UNIVERSITY), CHRISTINA DARDIS (TOWSON UNIVERSITY) This study examined psychological outcomes of intimate partner stalking (IPS) among undergraduate students (N = 898). Of those experiencing IPS (29.73%; n = 267), 77.15% (n = 206) disclosed their experiences. Non-disclosure was associated with significantly higher PTSD and depression symptoms, while disclosure was associated with significantly higher alcohol use symptoms. These findings suggest disclosure may protect against PTSD and depression. Theories as to why disclosure is associated with alcohol use symptoms are explored.POSTER 28EXAMINING THE IMPACT OF PRE-EXISTING PSYCHIATRIC CONDITIONS ON POSTTRAUMATIC BRAIN INJURY SUICIDALITYNORMEEN SIDDIQUI (INDEPENDENT), JULIANA RICCARDI (JAMAICA HOSPITAL MEDICAL CENTER), JONATHAN ROBITSEK (JAMAICA HOSPITAL MEDICAL CENTER) Traumatic brain injury (TBI) is a risk factor for psychiatric complications, with growing evidence linking TBI to suicidality. This study aims to investigate suicidality in post-TBI patients, comparing those with and without a history of psychiatric illness. By analyzing cohort data on TBI patients with varied psychiatric backgrounds, this research seeks to clarify the impact of pre-existing mental health conditions on post-TBI suicidality, adding to a growing literature on TBI associated risk factors.POSTER 29EXPANDING INTEROCEPTIVE AWARENESS BEYOND EATING DISORDERS: IMPULSIVITY AND AGGRESSIONJAYDA MILLER (ITHACA COLLEGE), ETHAN SHUSTERMAN (ITHACA COLLEGE), HUGH STEPHENSON (ITHACA COLLEGE) Interoceptive awareness is the ability to identify and label one's bodily sensations and emotions. The current study sought to explore links between interoceptive awareness, impulsivity, aggression, and gender. A sample of 782 participants completed an anonymous online study to assess these traits. Statistical analysis found robust relationships between interoceptive awareness and levels of both impulsivity and aggression. In contrast to the established literature, men were found to have higher levels of interoceptive awareness than women.POSTER 30EXPLORING COPING AND MOTIVATIONAL STYLES IN GLASS CHILDRENTIANA MOREL (WASHINGTON COLLEGE), LAUREN LITTLEFIELD (WASHINGTON COLLEGE) Glass children are individuals who have a sibling with a chronic health condition. College students self-reflected on their relationship with their sibling and reported their motivation (intrinsic, extrinsic, amotivation) and coping (avoidant, problem-focused, emotion-focused) styles while partaking in the sibling relationship. Results demonstrated higher rates of avoidant coping, increased likelihood of substance use and denial, and greater amotivation in glass children who played a partial caregiving role when compared to noncaregivers.169Saturday, March 8