biostudies-literatureVizer LNIMH NIH HHS8https://www.ebi.ac.uk/biostudies/studies/S-EPMC12092297biostudies-literatureUnknown3(1)Language features may reflect underlying cognitive and emotional processes following a traumatic event that portend clinical outcomes. The authors sought to determine whether language features from usual smartphone use were markers associated with concurrent posttraumatic symptoms and worsening or improving posttraumatic symptoms over time following a traumatic exposure. This investigation was a secondary analysis of the Advancing Understanding of RecOvery afteR traumA study, a longitudinal study of traumatic outcomes among survivors recruited from 33 emergency departments across the United States. Adverse posttraumatic sequelae were assessed over the six months following the initial traumatic exposure. Language features were extracted from usual smartphone use in a specialized app. BivariNPP - digital psychiatry and neuroscienceSmartphone language features may help identify adverse post-traumatic neuropsychiatric sequelae and their trajectories.PMC12092297U01 MH110925Sergot PLiu MClifford GDPierce JRauch SLVizer LJovanovic TMerchant RCHudak LANeylan TCO'Neil BJUngar LKessler RCMcLean SAStevens JSGermine LTBollen KALinnstaedt SDKoenen KCAn XDomeier RMBucher MAStorrow ABXing ZHaran JPHarte SEPascual JLBeaudoin FLHendry PLPunches BEPearson CPeak DAHouse SLMusey PISeamon MJLewandowski CSheikh SBruce SEGiorgi SHarris ESanchez LDJi YZeng DJones CWfalseSmartphone language features may help identify adverse post-traumatic neuropsychiatric sequelae and their trajectories.Language features may reflect underlying cognitive and emotional processes following a traumatic event that portend clinical outcomes. The authors sought to determine whether language features from usual smartphone use were markers associated with concurrent posttraumatic symptoms and worsening or improving posttraumatic symptoms over time following a traumatic exposure. This investigation was a secondary analysis of the Advancing Understanding of RecOvery afteR traumA study, a longitudinal study of traumatic outcomes among survivors recruited from 33 emergency departments across the United States. Adverse posttraumatic sequelae were assessed over the six months following the initial traumatic exposure. Language features were extracted from usual smartphone use in a specialized app. Bivari2025-01-01T00:00:00Z20252026-06-06T16:13:12.07Z2026-06-02T03:11:32.934ZS-EPMC120922974040620710.1038/s44277-025-00028-x