Final answer:
It is TRUE that narrative transformation in psychotherapy is linked to improved mental health, a topic that resides within the cultural systems model's understanding of treatment, which recognizes the complex interplay between culture and mental health practices.
Step-by-step explanation:
It is TRUE that cultural psychologists have traced the evolution of life narrative in psychotherapy, demonstrating that improvement in mental health follows narrative transformation. The work of anthropologist Summerson Carr shows how language in therapy embodies cultural notions of personhood and responsibility, and as patients embrace and reproduce 'healthy talk', they can illustrate their progress in handling their addiction. This aligns with the overall notion that psychological approaches to mental health problems are heavily informed by culture and that the integration of psychology into healthcare systems sometimes requires the nuanced approach of a medical anthropologist. Medical anthropologists utilize a cultural systems model to understand and compare various approaches to mental health across cultures, recognizing that local beliefs and practices, as well as psychosocial conditions, significantly influence mental well-being and treatment outcomes.