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Metacognition in functional cognitive disorder- a potential mechanism and treatment target

Research output: Contribution to journalArticle

Rohan Bhome, Andrew McWilliams, Jonathan D. Huntley, Stephen M. Fleming, Robert J. Howard

Original languageEnglish
Pages (from-to)311-321
Number of pages11
JournalCognitive Neuropsychiatry
Volume24
Issue number5
DOIs
Publication statusPublished - 3 Sep 2019

King's Authors

Abstract

Introduction: Functional Cognitive Disorder (FCD) is common. Despite this, there is no evidence-based consensus on how to treat FCD. Poor metacognitive ability has been suggested as a key mechanism underlying the disorder. This paper evaluates the proposal that strategies which improve metacognition could provide a mechanistically plausible translational therapy. Methods: We reviewed the existing literature relating to metacognition in FCD, previous strategies to improve metacognitive ability in FCD and whether metacognitive performance can be modulated. Results: Though limited, there is evidence to suggest that metacognition is impaired in FCD. Converging evidence from neuroimaging studies suggests that metacognitive performance can be modulated. The effectiveness of existing strategies to improve metacognition including cognitive training, psychoeducation and lifestyle interventions have been equivocal. Recently, a potential treatment option has emerged in the form of a computer-based metacognitive training paradigm. Conclusions: There is an urgent need for effective treatments in FCD. Impaired metacognition may be a plausible therapeutic target but, in the first instance, further research is required to demonstrate deficits in “local” metacognitive ability in FCD patients when measured objectively. If so, clinical trials of interventions, such as computerised metacognitive training, are required to evaluate their effectiveness in improving FCD symptoms.

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