Anomalous self-experiences are related to general cognition deficits in schizophrenia
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ORIGINAL PAPER
Anomalous self‑experiences are related to general cognition deficits in schizophrenia Marta Hernández‑García1 · Marta Gómez‑García1 · Eva Sotelo1 · Inés Fernández‑Linsenbarth3 · Pilar Andrés‑Olivera2 · Rubén de Alarcon‑Gómez2 · María Fe Muñoz‑Moreno4 · Vicente Molina1,3 Received: 2 May 2020 / Accepted: 7 November 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Anomalous self-experiences (ASEs) are prevalent in schizophrenia, but its underpinnings are not completely understood. Given the likely complex substrate of the experience of the self, neurocognitive functions requiring coordinate cerebral activity may relate to ASEs. Moreover, cognitive deficits functioning may be involved in the link between self-experience disturbances and some aspects of social dysfunction in schizophrenia. We have assessed ASEs in 41 schizophrenia patients (11 first episodes) using the Inventory of Psychotic-Like Anomalous Self-Experiences (IPASE), and the general cognition using the Brief Assessment of Cognition in Schizophrenia (BACS). Besides, social cognition was assessed using two complementary tools Meyer, Salovey and Caruso Emotional Intelligence Test (MSCEIT) and GEOPTE (Grupo Español para la Optimización del Tratamiento de la Esquizofrenia). The results revealed that Self-awareness/presence and Somatization IPASE scores were inversely explained by motor speed in the BACS; Consciousness IPASE scores were inversely explained by problem solving performance in the BACS. These data reveal a significant relationship between certain domains of general cognition and anomalous self-experiences, that may be useful in further investigation on the substrates of ASEs. Keywords Self-experiences · Neurocognition · Motor speed · Schizophrenia · Social cognition
Introduction Anomalous self-experiences (ASEs) are prevalent among schizophrenia [1] patients, even at its first stages [2] and seem to remain stable in this illness [3]. Indeed, some theorists have defined schizophrenia as primarily a self-disorder Electronic supplementary material The online version of this article (https://doi.org/10.1007/s00406-020-01213-z) contains supplementary material, which is available to authorized users. * Vicente Molina [email protected] 1
Psychiatry Service, Clinical Hospital of Valladolid, Valladolid, Spain
2
Psychiatry Service, Instituto de Investigación Biomédica de Salamanca (IBSAL), University Hospital of Salamanca, Salamanca, Spain
3
Psychiatry Department, Instituto de Investigación Biomédica de Salamanca (IBSAL), School of Medicine, University of Valladolid, Valladolid, Spain
4
Methodology and Statistics Support, Clinical Hospital of Valladolid, Valladolid, Spain
[4]. Although the bases of ASEs are still poorly understood, given the complex neural network involved in experiencing oneself, it seems conceivable that ASEs may relate to other functions altered in psychoses that require coordinated neurocognitive processing. A relation between ASEs and neurocognition seems coherent
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