MBBS Curriculum 2020

Delusional Reasoning

27 October 2016 - 16:30-18:00

LectureMatthew Parrott, KCL Philosophy

King’s Building, K-1.56, Strand Campus


In psychiatric textbooks and diagnostic manuals delusions are typically characterized in terms of impaired reasoning or as manifestations of irrationality. Yet it remains unclear what precisely is irrational about delusional patterns of thinking. In this presentation, we will examine several styles of reasoning exhibited in cases of delusion, some of which, as we shall see, appear surprisingly rational. This suggests, I shall claim, that delusional cognition is far more nuanced than standard textbooks and manuals might lead us to believe.

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