Formal Thought Disorder (FTD) is an anomalies in how a person organizes and expresses their thoughts—is often presented as the core of psychosis. Yet it remains a paradox: a robust indicator of risk and poor

prognosis, but one that is poorly defined, misunderstood, and rarely measured in clinical practice.

Our review of 50 years of research reveals that FTD is not a single entity, but rather a probabilistic cluster of linguistic and cognitive traits that collectively lead to communication difficulties.

Read the full article here: Why is it hard to assess thought disorder? Clarifying the third domain of psychosis.