Author

A. S. Teixeira

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Review Open access Sep 2026

Tool or Companion? Reframing Conversational AI to Prevent Psychological Harm

Abstract People increasingly turn to conversational AI for companionship, emotional support, and well-being, using both purpose-built companion apps, such as Replika and Character.AI, and general-purpose assistants, such as ChatGPT and Claude. While some evidence suggests potential benefits, including short-term reduct...

Asia Maurich Novelli, S. Shergill, A. S. Teixeira · JMIR Mental Health · 0 citations

Open access Sep 2026

Dynamic social envirotypes demonstrate adolescent brain dysconnectivity is contextual

The adolescent social environment and dynamics therein have been linked to divergent brain organization and greater risk of psychopathology later in life, suggesting the neural underpinnings of mental health may depend on social context. To examine this, we leveraged longitudinal ABCD Study data to identify dynamic soc...

Haily Merritt, Marlen Z. Gonzalez, Stephanie Noble et al. · bioRxiv · 0 citations