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Furthering the language hypothesis of alexithymia: An integrated review and meta-analysis by Ka Shu Lee; Jennifer Murphy; Caroline Catmur; Geoffrey Bird; Hannah Hobson is a Neuroscience article available to read on EtoBox.

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Alexithymia, including the inability to identify and express one's own feelings, is a subclinical condition responsible for some of the socioemotional symptoms seen across a range of psychiatric conditions. The language hypothesis of alexithymia posits a language-mediated disruption in the development of discrete emotion concepts from ambiguous affective states, exacerbating the risk of developing alexithymia in language-impaired individuals. To provide a critical evaluation, a systematic review and meta-analysis of 29 empirical studies of language functioning in alexithymia was performed. A modest association was found between alexithymia and multi-domain language deficits (r = -0.14), including structural language, pragmatics, and propensity to use emotional language. A more theoretically-relevant subsample analysis comparing alexithymia levels in language-impaired and typical individuals revealed larger effects, but a limited number of studies adopted this approach. A synthesis of 11 emotional granularity studies also found an association between alexithymia and reduced emotional granularity (r = -0.10). Language impairments seem to increase the risk of alexithymia. Heterogeneou

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Author

Ka Shu Lee; Jennifer Murphy; Caroline Catmur; Geoffrey Bird; Hannah Hobson

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Neuroscience (Life Sciences)