4.5 Article

Functional Cognitive Disorders (FCD): How Is Metacognition Involved?

Journal

BRAIN SCIENCES
Volume 11, Issue 8, Pages -

Publisher

MDPI
DOI: 10.3390/brainsci11081082

Keywords

functional cognitive disorders; metacognition; metamemory; anosognosia

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Functional cognitive disorders (FCD) have garnered increasing clinical interest in recent years due to their high prevalence among patients attending memory clinics. While empirical understanding of FCD is growing based on observational studies, theoretical understanding has been lacking. One novel suggestion posits FCD as metacognitive disorders, specifically disorders of metamemory. This metacognitive formulation of FCD may offer guidance for future hypothesis-driven research and management strategies despite its current lack of mechanistic sophistication.
Functional cognitive disorders (FCD) have become a subject of increasing clinical interest in recent years, in part because of their high prevalence amongst patients attending dedicated memory clinics. Empirical understanding of FCD based on observational studies is growing, suggesting a relationship to other functional neurological disorders (FND) based on shared phenomenology. However, understanding of FCD at the theoretical level has been lacking. One suggestion has been that FCD are disorders of metacognition, most usually of metamemory. In this article, a brief overview of these constructs is presented along with existing evidence for their impairment in FCD. Previous adaptations of theoretical models of FND to accommodate FCD are reviewed. A novel application to FCD of Nelson and Narens' monitoring and control model of metamemory is then attempted, positing an improper setting of the monitoring function, with examples of ecological relevance. Formulation of FCD in light of a metacognitive model of anosognosia is also considered. Although lacking mechanistic and neuroanatomical sophistication, this metacognitive formulation of FCD may give pointers for future hypothesis-driven research and a pragmatic basis for management strategies.

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