Addressing Future Changes in Communication Using Hypothetical Scenarios With People With Primary Progressive Aphasia and Care Partners: A Conversation Analytic Study.

Only four couples took part, and all were less than a year past diagnosis, so the study says nothing about people with logopenic or semantic PPA or about later stages of the disease. The same experienced therapist delivered all four sessions and is one of the authors. The other authors did the first analysis and checked it with outside conversation analysts, but the authors still name this as a limitation. This is one therapist's practice. Other therapists might handle the same conversations differently, and the paper says so. Three of the four sessions were recorded in a university laboratory rather than a real clinic, so how the conversation goes in ordinary practice is unknown. The paper records what was said, not what came of it. No measure shows whether the couples made plans, took up decisions or felt better prepared afterwards. The programme's manual lists the topics for session four but does not say how to raise them, so what happened here rested on the therapist's judgement.

The authors report no competing interests to declare. No funding source is named in the text provided.

Do not read this as evidence that the Better Conversations with PPA programme or hypothetical questions improve future planning. The study recorded four couples with one therapist and measured nothing afterwards. It describes how the conversations went, not that they helped.