Trauma Isn’t One Size Fits All: How Online Support Communities Point to Different Diagnostic Criteria for C-PTSD and PTSD

References

• American Psychiatric Association. (1994). Diagnostic and statistical manual of mental disorders (4th ed.).
   Google Scholar
• American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.).
   Google Scholar
• Andalibi, N., Haimson, O. L., De Choudhury, M., & Forte, A. (2016, May). Understanding social media disclosures of sexual abuse through the lenses of support seeking and anonymity. Proceedings of the 2016 CHI Conference on Human Factors in Computing Systems (pp. 3906–3918). https://doi.org/10.1145/2858036.2858096
   Google Scholar
• Andy, A. U., Guntuku, S. C., Adusumalli, S., Asch, D. A., Groeneveld, P. W., Ungar, L. H., & Merchant, R. M. (2021). Predicting cardiovascular risk using social media data: Performance evaluation of machine-learning models. JMIR Cardio, 5(1), e24473. https://doi.org/10.2196/24473
   PubMedGoogle Scholar
• Atwood, M. E., Friedman, A., Meisner, B. A., & Cassin, S. E. (2018). The exchange of social support on online bariatric surgery discussion forums: A mixed-methods content analysis. Health Communication, 33(5), 628–635. https://doi.org/10.1080/10410236.2017.1289437
   PubMed Web of Science ®Google Scholar
• Bennett, V., Gill, C., Miller, P., Sayers, C., & Appleton, J. V. (2023). ‘From their own words’: A co-produced study interpreting children and young people’s experiences of emotional abuse and neglect expressed in anonymous, online peer-peer message forums. Child Abuse Review, 32(5). https://doi.org/10.1002/car.2818
   Web of Science ®Google Scholar
• Biester, L., Pennebaker, J., & Mihalcea, R. (2022). Emotional and cognitive changes surrounding online depression identity claims. PLoS One, 17(12), e0278179. https://doi.org/10.1371/journal.pone.0278179
   PubMed Web of Science ®Google Scholar
• Blackburn, K., Wang, W., Pedler, R., Thompson, R., & Gonzalez, D. (2020). Linguistic markers in women’s discussions on miscarriage and abortion illustrate psychological responses to their experiences. Journal of Language and Social Psychology, 40(3), 398–411. https://doi.org/10.1177/0261927X20965643
   Web of Science ®Google Scholar
• Blackburn, K. G., Yilmaz, G., & Boyd, R. L. (2018). Food for thought: Exploring how people think and talk about food online. Appetite, 123, 390–401. https://doi.org/10.1016/j.appet.2018.01.022
   PubMed Web of Science ®Google Scholar
• Boyd, R. L., Ashokkumar, A., Seraj, S., & Pennebaker, J. W. (2022). The development and psychometric properties of LIWC-22. University of Texas at Austin. https://www.liwc.app
   Google Scholar
• Boyd, R. L., & Schwartz, H. A. (2021). Natural language analysis and the psychology of verbal behavior: The past, present, and future states of the field. Journal of Language and Social Psychology, 40(1), 21–41. https://doi.org/10.1177/0261927X20967028
   PubMed Web of Science ®Google Scholar
• Brewin, C. R., Cloitre, M., Hyland, P., Shevlin, M., Maercker, A., Bryant, R. A., Humayun, A., Jones, L. M., Kagee, A., Rousseau, C., Somasundaram, D., Suzuki, Y., Wessely, S., van Ommeren, M., & Reed, G. M. (2017). A review of current evidence regarding the ICD-11 proposals for diagnosing PTSD and complex PTSD. Clinical Psychology Review, 58, 1–15. https://doi.org/10.1016/j.cpr.2017.09.001
   PubMed Web of Science ®Google Scholar
• Bryan, C. J. (2016). Treating PTSD within the context of heightened suicide risk. Current Psychiatry Reports, 18(8), 73. https://doi.org/10.1007/s11920-016-0708-z
   PubMed Web of Science ®Google Scholar
• Caetano, R. (2011). There is potential for cultural and social bias in DSM-V. Addiction, 106(5), 885–897. https://doi.org/10.1111/j.1360-0443.2010.03308.x
   PubMed Web of Science ®Google Scholar
• Cohn, M. A., Mehl, M. R., & Pennebaker, J. W. (2004). Linguistic markers of psychological change surrounding September 11, 2001. Psychological Science, 15(10), 687–693. https://doi.org/10.1111/j.0956-7976.2004.00741.x
   PubMed Web of Science ®Google Scholar
• Coulson, N. S., Buchanan, H., & Aubeeluck, A. (2007). Social support in cyberspace: A content analysis of communication within a Huntington’s disease online support group. Patient Education and Counseling, 68(2), 173–178. https://doi.org/10.1016/j.pec.2007.06.002
   PubMed Web of Science ®Google Scholar
• Coulson, N. S., & Greenwood, N. (2011). Families affected by childhood cancer: An analysis of the provision of social support within online support groups. Child: Care, Health, and Development, 38(6), 870–877. https://doi.org/10.1111/j.1365-2214.2011.01316.x
   PubMed Web of Science ®Google Scholar
• Courtois, C. A. (2004). Complex trauma, complex reactions: Assessment and treatment. Psychotherapy Theory, Research, Practice, Training, 41(4), 412–425. https://doi.org/10.1037/0033-3204.41.4.412
   Web of Science ®Google Scholar
• De Choudhury, M., Counts, S., & Horvitz, E. (2013, April). Predicting postpartum changes in emotion and behavior via social media. Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (pp. 3267–3276). Association for Computing Machinery. https://doi.org/10.1145/2470654.2466447
   Google Scholar
• De Choudhury, M., Counts, S., Horvitz, E. J., & Hoff, A. (2014, February). Characterizing and predicting postpartum depression from shared Facebook data. Proceedings of the 17th ACM Conference on Computer Supported Cooperative Work & Social Computing (pp. 626–638). Association for Computing Machinery. https://doi.org/10.1145/2531602.2531675
   Google Scholar
• De Choudhury, M., & De, S. (2014). Mental health discourse on Reddit: Self-disclosure, social support, and anonymity. Proceedings of the International AAAI Conference on Web & Social Media, 8(1), 71–80. https://doi.org/10.1609/icwsm.v8i1.14526
   Google Scholar
• Dorahy, M. J., Corry, M., Shannon, M., Webb, K., McDermott, B., Ryan, M., & Dyer, K. F. W. (2013). Complex trauma and intimate relationships: The impact of shame, guilt, and dissociation. Journal of Affective Disorders, 147(1–3), 72–79. https://doi.org/10.1016/j.jad.2012.10.010
   PubMed Web of Science ®Google Scholar
• Dugan, L., Rosenfeld, R., & Nagin, D. S. (2003). Exposure reduction or retaliation? The effects of domestic violence resources on intimate-partner homicide. Law & Society Review, 37(1), 169–198. https://doi.org/10.1111/1540-5893.3701005
   Web of Science ®Google Scholar
• Eichstaedt, J. C., Schwartz, H. A., Kern, M. L., Park, G., Labarthe, D. R., Merchant, R. M., Jha, S., Agrawal, M., Dziurzynski, L. A., Sap, M., Weeg, C., Larson, E. E., Umgar, L. H., & Seligman, M. E. P. (2015). Psychological language on Twitter predicts county-level heart disease mortality. Psychological Science, 26(2), 159–169. https://doi.org/10.1177/0956797614557867
   PubMed Web of Science ®Google Scholar
• Ernst, M., Kallenbach-Kaminski, L., Kaufhold, J., Negele, A., Bahrke, U., Hautzinger, M., Beutel, M. E., & Leuzinger-Bohleber, M. (2020). Suicide attempts in chronically depressed individuals: What are the risk factors? Psychiatry Research, 287, 112481. https://doi.org/10.1016/j.psychres.2019.112481
   PubMed Web of Science ®Google Scholar
• Fergie, G., Hunt, K., & Hilton, S. (2016). Social media as a space for support: Young adults’ perspectives on producing and consuming user-generated content about diabetes and mental health. Social Science & Medicine, 170, 46–54. https://doi.org/10.1016/j.socscimed.2016.10.006
   PubMed Web of Science ®Google Scholar
• Fernández-Fillol, C., Pitsiakou, C., Perez-Garcia, M., Teva, I., & Hidalgo-Ruzzante, N. (2021). Complex PTSD in survivors of intimate partner violence: Risk factors related to symptoms and diagnoses. European Journal of Psychotraumatology, 12(1), 2003616. https://doi.org/10.1080/20008198.2021.2003616
   PubMed Web of Science ®Google Scholar
• Ford, J. D., Grasso, D., Greene, C., Levine, J., Spinazzola, J., & van der Kolk, B. (2013). Clinical significance of a proposed developmental trauma disorder diagnosis: Results of an international survey of clinicians. The Journal of Clinical Psychiatry, 74(8), 841–849. https://doi.org/10.4088/JCP.12m08030
   PubMed Web of Science ®Google Scholar
• Fraga, B. S., da Silva, A. P. C., & Murai, F. (2018, December). Online social networks in health care: A study of mental disorders on Reddit. 2018 IEEE/WIC/ACM International Conference on Web Intelligence (pp. 568–573). Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/WI.2018.00-36
   Google Scholar
• Friedman, M. J. (2013). Finalizing PTSD in DSM-5: Getting here from there and where to go next. Journal of Traumatic Stress, 26(5), 548–556. https://doi.org/10.1002/jts.21840
   PubMed Web of Science ®Google Scholar
• Gewirtz-Meydan, A., & Lassri, D. (2021). #Me2PT: A qualitative analysis of a social media network campaign to raise awareness of the consequences of childhood sexual abuse. Child Abuse & Neglect, 121, 105267. https://doi.org/10.1016/j.chiabu.2021.105267
   PubMed Web of Science ®Google Scholar
• Glasgow, K., Fink, C., & Boyd-Graber, J. (2014). “Our grief is unspeakable’’: Automatically measuring the community impact of a tragedy. Proceedings of the International AAAI Conference on Web & Social Media, 8(1), 161–169. https://doi.org/10.1609/icwsm.v8i1.14535
   Google Scholar
• Gortner, E. M., & Pennebaker, J. W. (2003). The archival anatomy of a disaster: Media coverage and community-wide health effects of the Texas A&M bonfire tragedy. Journal of Social and Clinical Psychology, 22(5), 580–603. https://doi.org/10.1521/jscp.22.5.580.22923
   Web of Science ®Google Scholar
• Guina, J., Baker, M., Stinson, K., Maust, J., Coles, J., & Broderick, P. (2017). Should posttraumatic stress be a disorder or a specifier? Towards improved nosology within the DSM categorical classification system. Current Psychiatry Reports, 19(10), 66. https://doi.org/10.1007/s11920-017-0821-7
   PubMed Web of Science ®Google Scholar
• Hamilton, A. B., Poza, I., & Washington, D. L. (2011). “Homelessness and trauma go hand-in-hand”: Pathways to homelessness among women veterans. Women’s Health Issues, 21(4), S203–S209. https://doi.org/10.1016/j.whi.2011.04.005
   PubMed Web of Science ®Google Scholar
• Harik, J. M., Batteo, R. A., Hermann, B. A., & Hamblen, J. L. (2016). What people with PTSD symptoms do (and do not) know about PTSD: A national survey. Depression and Anxiety, 34(4), 374–382. https://doi.org/10.1002/da.22558
   PubMed Web of Science ®Google Scholar
• Herman, J. L. (1992). Complex PTSD: A syndrome in survivors of prolonged and repeated trauma. Journal of Traumatic Stress, 5(3), 377–391. https://doi.org/10.1002/jts.2490050305
   Web of Science ®Google Scholar
• Holmes, D., Alpers, G. W., Ismailji, T., Classen, C., Wales, T., Cheasty, V., Miller, A., & Koopman, C. (2007). Cognitive and emotional processing in narratives of women abused by intimate partners. Violence Against Women, 13(11), 1192–1205. https://doi.org/10.1177/1077801207307801
   PubMed Web of Science ®Google Scholar
• Jaidka, K., Giorgi, S., Schwartz, H. A., Kern, M. L., Ungar, L. H., & Eichstaedt, J. C. (2020). Estimating geographic subjective well-being from Twitter: A comparison of dictionary and data-driven language methods. Proceedings of the National Academy of Science of the United States of America, 117(19), 10165–10171. https://doi.org/10.1073/pnas.1906364117
   PubMed Web of Science ®Google Scholar
• Jennings, A. N., Soder, H. E., Wardle, M. C., Schmitz, J. M., & Vujanovic, A. A. (2021). Objective analysis of language use in cognitive-behavioral therapy: Associations with symptom change in adults with co-occurring substance use disorders and posttraumatic stress. Cognitive Behaviour Therapy, 50(2), 89–103. https://doi.org/10.1080/16506073.2020.1819865
   PubMed Web of Science ®Google Scholar
• Kacewicz, E., Pennebaker, J. W., Davis, M., Jeon, M., & Graesser, A. C. (2013). Pronoun use reflects standings in social hierarchies. Journal of Language and Social Psychology, 33(2), 125–143. https://doi.org/10.1177/0261927X13502654
   Web of Science ®Google Scholar
• Kahn, J. H., Tobin, R. M., Massey, A. E., & Anderson, J. A. (2007). Measuring emotional expression with the linguistic inquiry and word count. The American Journal of Psychology, 120(2), 263–286. https://doi.org/10.2307/20445398
   PubMed Web of Science ®Google Scholar
• Karatzias, T., Hyland, P., Bradley, A., Cloitre, M., Roberts, N. P., Bisson, J. I., & Shevlin, M. (2019). Risk factors and comorbidity of ICD-11 PTSD and complex PTSD: Findings from a trauma-exposed population based sample of adults in the United Kingdom. Depression and Anxiety, 36(9), 887–894. https://doi.org/10.1002/da.22934
   PubMed Web of Science ®Google Scholar
• Karatzias, T., Shevlin, M., Fyvie, C., Hyland, P., Efthymiadou, E., Wilson, D., Roberts, N., Bisson, J. I., Brewin, C. R., & Cloitre, M. (2017). Evidence of distinct profiles of posttraumatic stress disorder (PTSD) and complex posttraumatic stress disorder (CPTSD) based on the new ICD-11 trauma questionnaire (ICD-TQ). Journal of Affective Disorders, 207, 181–187. https://doi.org/10.1016/j.jad.2016.09.032
   PubMed Web of Science ®Google Scholar
• Kleim, B., Horn, A. B., Kraehenmann, R., Mehl, M. R., & Ehlers, A. (2018). Early linguistic markers of trauma-specific processing predict post-trauma adjustment. Frontiers in Psychiatry, 9, 645. https://doi.org/10.3389/fpsyt.2018.00645
   PubMed Web of Science ®Google Scholar
• Lord, S. P., Sheng, E., Imel, Z. E., & Baer, J. (2014). More than reflections: Empathy in motivational interviewing includes language style synchrony between therapist and client. Behavior Therapy, 46(3), 296–30. https://doi.org/10.1016/j.beth.2014.11.002
   PubMed Web of Science ®Google Scholar
• MacGeorge, E. L., Samter, W., Feng, B., Gillihan, S. J., & Graves, A. R. (2007). After 9/11: Goal disruption, emotional support, and psychological health in a lower exposure sample. Health Communication, 21(1), 11–22. https://doi.org/10.1080/10410230701283272
   PubMed Web of Science ®Google Scholar
• Maercker, A., & Hecker, T. (2016). Broadening perspectives on trauma and recovery: A socio-interpersonal view of PTSD. European Journal of Psychotraumatology, 7(1), 29303. https://doi.org/10.3402/ejpt.v7.29303
   PubMed Web of Science ®Google Scholar
• Maercker, A., & Horn, A. B. (2013). A socio-interpersonal perspective on PTSD: The case for environments and interpersonal processes. Clinical Psychology & Psychotherapy, 20(6), 465–481. https://doi.org/10.1002/cpp.1805
   PubMed Web of Science ®Google Scholar
• Marin, K. A., & Shkreli, A. (2019). An examination of trauma narratives: Narrative rumination, self-reflection, and identity in young adulthood. Journal of Adolescence, 76(1), 139–151. https://doi.org/10.1016/j.adolescence.2019.08.007
   PubMedGoogle Scholar
• Markowitz, D. M., & Hancock, J. T. (2016). The 27 club: Music lyrics reflect psychological distress. Communication Reports, 30(1), 1–13. https://doi.org/10.1080/08934215.2016.1210663
   Google Scholar
• Mergenthaler, E., & Bucci, W. (1999). Linking verbal and nonverbal representations: Computer analysis of referential activity. British Journal of Medical Psychology, 72(3), 339–354. https://doi.org/10.1348/000711299160040
   PubMed Web of Science ®Google Scholar
• Morrow, P. R. (2006). Telling about problems and giving advice in an Internet discussion forum: Some discourse features. Discourse Studies, 8(4), 531–548. https://doi.org/10.1177/1461445606061876
   Web of Science ®Google Scholar
• Muldoon, O. T., Haslam, S. A., Haslam, C., Cruwys, T., Kearns, M., & Jetten, J. (2019). The social psychology of responses to trauma: Social identity pathways associated with divergent traumatic responses. European Review of Social Psychology, 30(1), 311–348. https://doi.org/10.1080/10463283.2020.1711628
   Web of Science ®Google Scholar
• Murphy, N. (2019, December 4). Reddit’s 2019 year in review. Retrieved November 1, 2020, from https://redditblog.com/2019/12/04/reddits-2019-year-in-review/
   Google Scholar
• O’Kearney, R., & Perrott, K. (2006). Trauma narratives in posttraumatic stress disorder: Reviews. Journal of Traumatic Stress, 19(1), 81–93. https://doi.org/10.1002/jts.20099
   PubMed Web of Science ®Google Scholar
• Orvell, A., Kross, E., & Gelman, S. A. (2020). “You” speaks to me: Effects of generic-you in creating resonance between people and ideas. Proceedings of the National Academy of Sciences of the United States of America, 117(49), 31038–31045. https://doi.org/10.1073/pnas.2010939117
   PubMed Web of Science ®Google Scholar
• Ozcan, M., Shepard, K. C., Burns, A. I., Raikes, A., Dailey, N., Alkozei, A., Grandner, M. A., & Killgore, W. D. (2019). PTSD severity and use of negative emotion words in trauma narratives predict nightmares in individuals with PTSD. Sleep, 42(Supplement_1), A350–A350. https://doi.org/10.1093/sleep/zsz067.869
   Google Scholar
• Palic, S., Zerach, G., Shevlin, M., Zeligman, Z., Elklit, A., & Solomon, Z. (2016). Evidence of complex posttraumatic stress disorder (CPTSD) across populations with prolonged trauma of varying interpersonal intensity and ages of exposure. Psychiatry Research, 246, 692–699. https://doi.org/10.1016/j.psychres.2016.10.062
   PubMed Web of Science ®Google Scholar
• Paquet, C. B., Cogan, C. M., & Davis, J. L. (2024). Implications of language use in posttraumatic nightmares on psychological symptoms. Psychological Trauma: Theory, Research, Practice, & Policy, 16(2), 312–320. https://doi.org/10.1037/tra0001266
   PubMedGoogle Scholar
• Patel, D., Blandford, A., Warner, M., Shawe, J., & Stephenson, J. (2019). “I feel like only half a man”: Online forums as a resource for finding a “new normal” for men experiencing fertility issues. Proceedings of the Association for Computing Machinery Human-Computer Interaction, 3(82), 1–20. https://doi.org/10.1145/3359184
   Google Scholar
• Paulus, T. M., & Varga, M. A. (2015). “Please know that you are not alone with your pain”: Responses to newcomer posts in an online grief support forum. Death Studies, 39(10), 633–640. https://doi.org/10.1080/07481187.2015.1047060
   PubMed Web of Science ®Google Scholar
• Pennebaker, J. W. (2011). The secret life of pronouns: What our words say about us. Bloomsbury Press/Bloomsbury Publishing.
   Google Scholar
• Pennebaker, J. W., Booth, R. J., Boyd, R. L., & Francis, M. E. (2015). Linguistic inquiry and word count: LIWC 2015 [Computer software]. Pennebaker Conglomerates. https://www.LIWC.net/
   Google Scholar
• Pennebaker, J. W., Boyd, R. L., Jordan, K., & Blackburn, K. (2015). The development and psychometric properties of LIWC2015. https://doi.org/10.15781/T29G6Z
   Google Scholar
• Pennebaker, J. W., & Seagal, J. D. (1999). Forming a story: The health benefits of narrative. Journal of Clinical Psychology, 55(10), 1243–1254. https://doi.org/10.1002/(SICI)1097-4679(199910)55:10<1243:AID-JCLP6>3.0.CO;2-N
   PubMed Web of Science ®Google Scholar
• Pulverman, C. S., Lorenz, T. A., & Meston, C. M. (2015). Linguistic changes in expressive writing predict psychological outcomes in women with history of childhood sexual abuse and adult sexual dysfunction. Psychological Trauma: Theory, Research, Practice, & Policy, 7(1), 50–57. https://doi.org/10.1037/a0036462
   PubMed Web of Science ®Google Scholar
• Reddit. (2020a). Reddit by the numbers. https://www.redditinc.com/press
   Google Scholar
• Reddit. (2020b). Reddit Wiki system guide. https://www.reddit.com/wiki/wiki
   Google Scholar
• Resick, P. A., Bovin, M. J., Calloway, A. L., Dick, A. M., King, M. W., Mitchell, K. S., Suvak, M. K., Wells, S. Y., Stirman, S. W., & Wolf, E. J. (2012). A critical evaluation of the complex PTSD literature: Implications for DSM-5. Journal of Traumatic Stress, 25(3), 241–251. https://doi.org/10.1002/jts.21699
   PubMed Web of Science ®Google Scholar
• Robbins, M. L., Mehl, M. R., Smith, H. L., & Weihs, K. L. (2012). Linguistic indicators of patient, couple, and family adjustment following breast cancer. Psycho-Oncology, 22(7), 1501–1508. https://doi.org/10.1002/pon.3161
   PubMed Web of Science ®Google Scholar
• Robertson, S. P., Douglas, S., Maruyama, M., & Semaan, B. (2013). Political discourse on social networking sites: Sentiment, in-group/out-group orientation and rationality. Information Polity, 18(2), 107–126. https://doi.org/10.3233/IP-130303
   Google Scholar
• Robinaugh, D. J., Marques, L., Traeger, L. N., Marks, E. H., Sung, S. C., Beck, J. G., Pollack, M. H., & Simon, N. M. (2011). Understanding the relationship of perceived social support to post-trauma cognitions and posttraumatic stress disorder. Journal of Anxiety Disorders, 25(8), 1072–1078. https://doi.org/10.1016/j.janxdis.2011.07.004
   PubMed Web of Science ®Google Scholar
• Roscoe, R. A. (2021). The battle against mental health stigma: Examining how veterans with PTSD communicatively manage stigma. Health Communication, 36(11), 1378–1387. https://doi.org/10.1080/10410236.2020.1754587
   PubMed Web of Science ®Google Scholar
• Rude, S., Gortner, E., & Pennebaker, J. (2010). Language use of depressed and depression-vulnerable college students. Cognition and Emotion, 18(8), 1121–1133. https://doi.org/10.1080/02699930441000030
   Google Scholar
• Saladin, M. E., Brady, K. T., Danskey, B. S., & Kilpatrick, D. G. (1995). Understanding comorbidity between PTSD and substance use disorders: Two preliminary investigations. Addictive Behaviors, 20(5), 643–655. https://doi.org/10.1016/0306-4603(95)00024-7
   PubMed Web of Science ®Google Scholar
• Schoch-Ruppen, J., Ehlert, U., Uggowitzer, F., Weymerskirch, N., & La Marca-Ghaemmaghami, P. (2018). Women’s word use in pregnancy: Associations with maternal characteristics, prenatal stress, and neonatal birth outcome. Frontiers in Psychology, 9, 1234. https://doi.org/10.3389/fpsyg.2018.01234
   PubMed Web of Science ®Google Scholar
• Seih, Y. T., Chung, C. K., & Pennebaker, J. W. (2011). Experimental manipulations of perspective taking and perspective switching in expressive writing. Cognition and Emotion, 25(5), 926–938. https://doi.org/10.1080/02699931.2010.512123
   PubMed Web of Science ®Google Scholar
• Sekulic, I., Gjurković, M., & Šnajder, J. (2018, March). Not just depressed: Bipolar disorder prediction on Reddit. In Proceedings of the 9th Workshop on Computational Approaches to Subjectivity, Sentiment and Social Media Analysis (pp. 72–78). https://doi.org/10.18653/v1/W18-6211
   Google Scholar
• Seraj, S., Blackburn, K. G., & Pennebaker, J. W. (2021). Language left behind on social media exposes the emotional and cognitive costs of a romantic breakup. Proceedings of the National Academy of Sciences of the United States of America, 118(7). https://doi.org/10.1073/pnas.2017154118
   PubMed Web of Science ®Google Scholar
• Simmons, R. A., Gordon, P. C., & Chambless, D. L. (2005). Pronouns in marital interaction: What do “You” and “I” say about marital health? Psychological Science, 16(12), 932–936. https://doi.org/10.1111/j.1467-9280.2005.01639.x
   PubMed Web of Science ®Google Scholar
• Sloan, D. M., Marx, B. P., Epstein, E. M., & Dobbs, J. L. (2008). Expressive writing buffers against maladaptive rumination. Emotion, 8(2), 302–306. https://doi.org/10.1037/1528-3542.8.2.302
   PubMed Web of Science ®Google Scholar
• Smith-Frigerio, S. (2021). “You are not alone”: Linking peer support to information and resources for mental health concerns in advocacy groups’ social media messaging. Health Communication, 36(14), 1980–1989. https://doi.org/10.1080/10410236.2020.1808415
   PubMed Web of Science ®Google Scholar
• Smith-Merry, J., Goggin, G., Campbell, A., McKenzie, K., Ridout, B., & Baylosis, C. (2019). Social connection and online engagement: Insights from interviews with users of a mental health online forum. JMIR Mental Health, 6(3), e11084. https://doi.org/10.2196/11084
   PubMed Web of Science ®Google Scholar
• Stirman, W., Shannon, M. A., & Pennebaker, J. W. (2001). Word use in the poetry of suicidal and nonsuicidal poets. Psychosomatic Medicine, 63(4), 517–522. https://doi.org/10.1097/00006842-200107000-00001
   PubMed Web of Science ®Google Scholar
• St Vil, N. M., Carter, T., & Johnson, S. (2018). Betrayal trauma and barriers to forming new intimate relationships among survivors of intimate partner violence. Journal of Interpersonal Violence, 36(7–8), NP3495–NP3509. https://doi.org/10.1177/0886260518779596
   PubMedGoogle Scholar
• SV, P., Ittamalla, R., Mahipalan, M., Mahitha, M., & Priya, D. H. (2023). What do veterans discuss the most about post-combat distress on social media? A text analytics study. Journal of Loss and Trauma, 28(2), 187–189. https://doi.org/10.1080/15325024.2022.2068662
   Web of Science ®Google Scholar
• Tang, L., Bie, B., Park, S., & Zhi, D. (2018). Social media and outbreaks of emerging infectious diseases: A systematic review of literature. American Journal of Infection Control, 46(9), 962–972. https://doi.org/10.1016/j.ajic.2018.02.010
   PubMed Web of Science ®Google Scholar
• Tarrier, N., & Gregg, L. (2004). Suicide risk in civilian PTSD patients--predictors of suicidal ideation, planning and attempts. Social Psychiatry and Psychiatric Epidemiology, 39(8), 655–661. https://doi.org/10.1007/s00127-004-0799-4
   PubMed Web of Science ®Google Scholar
• Tausczik, Y. R., & Pennebaker, J. W. (2010). The psychological meaning of words: LIWC and computerized text analysis methods. Journal of Language and Social Psychology, 29(1), 24–54. https://doi.org/10.1177/0261927X09351676
   Web of Science ®Google Scholar
• Tsai, J., Shen, J., Southwick, S. M., Greenberg, S., Pluta, A., & Pietrzak, R. H. (2018). Public attitudes and literacy about posttraumatic stress disorder in U.S. adults. Journal of Anxiety Disorders, 55, 63–69. https://doi.org/10.1016/j.janxdis.2018.02.002
   PubMed Web of Science ®Google Scholar
• Villalta, L., Khadr, S., Chua, K.-C., Kramer, T., Clarke, V., Viner, R. M., Stringaris, A., & Smith, P. (2020). Complex post-traumatic stress symptoms in female adolescents: The role of emotion dysregulation in impairment and trauma exposure after an acute sexual assault. European Journal of Psychotraumatology, 11(1), 1710400. https://doi.org/10.1080/20008198.2019.1710400
   PubMed Web of Science ®Google Scholar
• Vine, V., Boyd, R. L., & Pennebaker, J. W. (2020). Natural emotion vocabularies as windows on distress and well-being. Nature Communications, 11(1), 1–9. https://doi.org/10.1038/s41467-019-13993-7
   PubMed Web of Science ®Google Scholar
• Wang, W., Hernandez, I., Newman, D. A., He, J., & Bian, J. (2016). Twitter analysis: Studying US weekly trends in work stress and emotion. Applied Psychology, 65(2), 355–378. https://doi.org/10.1111/apps.12065
   Web of Science ®Google Scholar
• Wardecker, B. M., Edelstein, R. S., Quas, J. A., Cordon, I. M., & Goodman, G. S. (2017). Emotion language in trauma narratives is associated with better psychological adjustment among survivors of childhood sexual abuse. Journal of Language and Social Psychology, 36(6), 628–653. https://doi.org/10.1177/0261927X17706940
   PubMed Web of Science ®Google Scholar
• World Health Organization. (2019). International statistical classification of diseases and related health problems (11th ed.).
   Google Scholar
• Yeo, T. E. D. (2021). “Do you know how much I suffer?”: How young people negotiate the tellability of their mental health disruption in anonymous distress narratives on social media. Health Communication, 36(13), 1606–1615. https://doi.org/10.1080/10410236.2020.1775447
   PubMed Web of Science ®Google Scholar
• Yoo, M., Lee, S., & Ha, T. (2019). Semantic network analysis for understanding user experiences of bipolar and depressive disorders on Reddit. Information Processing & Management, 56(4), 1565–1575. https://doi.org/10.1016/j.ipm.2018.10.001
   Web of Science ®Google Scholar
• Zoellner, L. A., Bedard-Gilligan, M. A., Jun, J. J., Marks, L. H., & Garcia, N. M. (2013). The evolving construct of posttraumatic stress disorder (PTSD): DSM-5 criteria changes and legal implications. Psychological Injury and Law, 6(4), 277–289. https://doi.org/10.1007/s12207-013-9175-6
   PubMedGoogle Scholar
• Zomick, J., Levitan, S., & Serper, M. (2019). Linguistic analysis of schizophrenia in Reddit posts. Proceedings of the Sixth Workshop on Computational Linguistics and Clinical Psychology (pp. 74–83). Association for Computational Linguistics. https://doi.org/10.18653/v1/W19-3009
   Google Scholar