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Fernández-Linsenbarth I, Mijancos-Martínez G, Bachiller A, Núñez P, Rodríguez-González V, Beño-Ruiz-de-la-Sierra RM, Roig-Herrero A, Arjona-Valladares A, Poza J, Mañanas MÁ, Molina V. Relation between task-related activity modulation and cortical inhibitory function in schizophrenia and healthy controls: a TMS-EEG study. Eur Arch Psychiatry Clin Neurosci 2024:10.1007/s00406-023-01745-0. [PMID: 38243018 DOI: 10.1007/s00406-023-01745-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 12/11/2023] [Indexed: 01/21/2024]
Abstract
Schizophrenia has been associated with a reduced task-related modulation of cortical activity assessed through electroencephalography (EEG). However, to the best of our knowledge, no study so far has assessed the underpinnings of this decreased EEG modulation in schizophrenia. A possible substrate of these findings could be a decreased inhibitory function, a replicated finding in the field. In this pilot study, our aim was to explore the association between EEG modulation during a cognitive task and the inhibitory system function in vivo in a sample including healthy controls and patients with schizophrenia. We hypothesized that the replicated decreased task-related activity modulation during a cognitive task in schizophrenia would be related to a hypofunction of the inhibitory system. For this purpose, 27 healthy controls and 22 patients with schizophrenia (including 13 first episodes) performed a 3-condition auditory oddball task from which the spectral entropy modulation was calculated. In addition, cortical reactivity-as an index of the inhibitory function-was assessed by the administration of 75 monophasic transcranial magnetic stimulation single pulses over the left dorsolateral prefrontal cortex. Our results replicated the task-related cortical activity modulation deficit in schizophrenia patients. Moreover, schizophrenia patients showed higher cortical reactivity following transcranial magnetic stimulation single pulses over the left dorsolateral prefrontal cortex compared to healthy controls. Cortical reactivity was inversely associated with EEG modulation, supporting the idea that a hypofunction of the inhibitory system could hamper the task-related modulation of EEG activity.
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Affiliation(s)
- Inés Fernández-Linsenbarth
- Psychiatry Department, School of Medicine, University of Valladolid, Av. Ramón y Cajal, 7, 47005, Valladolid, Spain
| | - Gema Mijancos-Martínez
- Biomedical Engineering Research Centre (CREB), Department of Automatic Control (ESAII), Polytechnic University of Catalonia, Barcelona, Spain
- Institute of Research Sant Joan de Déu, Barcelona, Spain
| | - Alejandro Bachiller
- Biomedical Engineering Research Centre (CREB), Department of Automatic Control (ESAII), Polytechnic University of Catalonia, Barcelona, Spain
- Institute of Research Sant Joan de Déu, Barcelona, Spain
| | - Pablo Núñez
- Coma Science Group, CIGA-Consciousness, University of Liège, Liège, Belgium
- Biomedical Engineering Group, University of Valladolid, Valladolid, Spain
- Biomaterials and Nanomedicine (BICER-BBN), CIBER of Bioengineering, Madrid, Spain
| | - Víctor Rodríguez-González
- Biomedical Engineering Group, University of Valladolid, Valladolid, Spain
- Biomaterials and Nanomedicine (BICER-BBN), CIBER of Bioengineering, Madrid, Spain
| | | | - Alejandro Roig-Herrero
- Psychiatry Department, School of Medicine, University of Valladolid, Av. Ramón y Cajal, 7, 47005, Valladolid, Spain
- Imaging Processing Laboratory, University of Valladolid, Valladolid, Spain
| | - Antonio Arjona-Valladares
- Psychiatry Department, School of Medicine, University of Valladolid, Av. Ramón y Cajal, 7, 47005, Valladolid, Spain
| | - Jesús Poza
- Biomedical Engineering Group, University of Valladolid, Valladolid, Spain
- Biomaterials and Nanomedicine (BICER-BBN), CIBER of Bioengineering, Madrid, Spain
- Instituto de Investigación en Matemáticas (IMUCA), University of Valladolid, Valladolid, Spain
| | - Miguel Ángel Mañanas
- Biomedical Engineering Research Centre (CREB), Department of Automatic Control (ESAII), Polytechnic University of Catalonia, Barcelona, Spain
- Institute of Research Sant Joan de Déu, Barcelona, Spain
- Biomaterials and Nanomedicine (BICER-BBN), CIBER of Bioengineering, Madrid, Spain
| | - Vicente Molina
- Psychiatry Department, School of Medicine, University of Valladolid, Av. Ramón y Cajal, 7, 47005, Valladolid, Spain.
- Psychiatry Service, Clinical Hospital of Valladolid, Valladolid, Spain.
- Neurosciences Institute of Castilla y Léon (INCYL), University of Salamanca, Salamanca, Spain.
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Beño-Ruiz-de-la-Sierra RM, Arjona-Valladares A, Hernández-García M, Fernández-Linsenbarth I, Díez Á, Fondevila Estevez S, Castaño C, Muñoz F, Sanz-Fuentenebro J, Roig-Herrero A, Molina V. Corollary Discharge Dysfunction as a Possible Substrate of Anomalous Self-experiences in Schizophrenia. Schizophr Bull 2023:sbad157. [PMID: 37951230 DOI: 10.1093/schbul/sbad157] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2023]
Abstract
BACKGROUND AND HYPOTHESIS Corollary discharge mechanism suppresses the conscious auditory sensory perception of self-generated speech and attenuates electrophysiological markers such as the auditory N1 Event-Related Potential (ERP) during Electroencephalographic (EEG) recordings. This phenomenon contributes to self-identification and seems to be altered in people with schizophrenia. Therefore, its alteration could be related to the anomalous self-experiences (ASEs) frequently found in these patients. STUDY DESIGN To analyze corollary discharge dysfunction as a possible substrate of ASEs, we recorded EEG ERP from 43 participants with schizophrenia and 43 healthy controls and scored ASEs with the 'Inventory of Psychotic-Like Anomalous Self-Experiences' (IPASE). Positive and negative symptoms were also scored with the 'Positive and Negative Syndrome Scale for Schizophrenia' (PANSS) and with the 'Brief Negative Symptom Scale' (BNSS) respectively. The N1 components were elicited by two task conditions: (1) concurrent listening to self-pronounced vowels (talk condition) and (2) subsequent non-concurrent listening to the same previously self-uttered vowels (listen condition). STUDY RESULTS The amplitude of the N1 component elicited by the talk condition was lower compared to the listen condition in people with schizophrenia and healthy controls. However, the difference in N1 amplitude between both conditions was significantly higher in controls than in schizophrenia patients. The values of these differences in patients correlated significantly and negatively with the IPASE, PANSS, and BNSS scores. CONCLUSIONS These results corroborate previous data relating auditory N1 ERP amplitude with altered corollary discharge mechanisms in schizophrenia and support corollary discharge dysfunction as a possible underpinning of ASEs in this illness.
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Affiliation(s)
| | | | | | | | - Álvaro Díez
- Psychiatry Department, School of Medicine, University of Valladolid, Valladolid, Spain
| | | | | | - Francisco Muñoz
- UCM-ISCIII Center for Human Evolution and Behaviour, Madrid, Spain
- Psychobiology and Behavioural Sciences Methods Department, Complutense University of Madrid, Madrid, Spain
| | | | - Alejandro Roig-Herrero
- Psychiatry Department, School of Medicine, University of Valladolid, Valladolid, Spain
- Imaging Processing Laboratory, University of Valladolid, Valladolid, Spain
| | - Vicente Molina
- Psychiatry Department, School of Medicine, University of Valladolid, Valladolid, Spain
- Psychiatry Service, University Clinical Hospital of Valladolid, Valladolid, Spain
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Beño-Ruiz-de-la-Sierra RM, Arjona-Valladares A, Fondevila Estevez S, Fernández-Linsenbarth I, Díez Á, Molina V. Corollary discharge function in healthy controls: Evidence about self-speech and external speech processing. Eur J Neurosci 2023; 58:3705-3713. [PMID: 37635264 DOI: 10.1111/ejn.16125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 08/02/2023] [Accepted: 08/04/2023] [Indexed: 08/29/2023]
Abstract
As we speak, corollary discharge mechanisms suppress the auditory conscious perception of the self-generated voice in healthy subjects. This suppression has been associated with the attenuation of the auditory N1 component. To analyse this corollary discharge phenomenon (agency and ownership), we registered the event-related potentials of 42 healthy subjects. The N1 and P2 components were elicited by spoken vowels (talk condition; agency), by played-back vowels recorded with their own voice (listen-self condition; ownership) and by played-back vowels recorded with an external voice (listen-other condition). The N1 amplitude elicited by the talk condition was smaller compared with the listen-self and listen-other conditions. There were no amplitude differences in N1 between listen-self and listen-other conditions. The P2 component did not show differences between conditions. Additionally, a peak latency analysis of N1 and P2 components between the three conditions showed no differences. These findings corroborate previous results showing that the corollary discharge mechanisms dampen sensory responses to self-generated speech (agency experience) and provide new neurophysiological evidence about the similarities in the processing of played-back vowels with our own voice (ownership experience) and with an external voice.
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Affiliation(s)
| | | | | | | | - Álvaro Díez
- Department of Psychiatry, School of Medicine, University of Valladolid, Valladolid, Spain
| | - Vicente Molina
- Department of Psychiatry, School of Medicine, University of Valladolid, Valladolid, Spain
- Psychiatry Service, University Clinical Hospital of Valladolid, Valladolid, Spain
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Fernández-Linsenbarth I, Planchuelo-Gómez Á, Díez Á, Arjona-Valladares A, de Luis R, Martín-Santiago Ó, Benito-Sánchez JA, Pérez-Laureano Á, González-Parra D, Montes-Gonzalo C, Melero-Lerma R, Morante SF, Sanz-Fuentenebro J, Gómez-Pilar J, Núñez-Novo P, Molina V. Neurobiological underpinnings of cognitive subtypes in psychoses: A cross-diagnostic cluster analysis. Schizophr Res 2021; 229:102-111. [PMID: 33221149 DOI: 10.1016/j.schres.2020.11.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 10/01/2020] [Accepted: 11/12/2020] [Indexed: 02/02/2023]
Abstract
Schizophrenia and bipolar disorder include patients with different characteristics, which may hamper the definition of biomarkers. One of the dimensions with greater heterogeneity among these patients is cognition. Recent studies support the identification of different patients' subgroups along the cognitive domain using cluster analysis. Our aim was to validate clusters defined on the basis of patients' cognitive status and to assess its relation with demographic, clinical and biological measurements. We hypothesized that subgroups characterized by different cognitive profiles would show differences in an array of biological data. Cognitive data from 198 patients (127 with chronic schizophrenia, 42 first episodes of schizophrenia and 29 bipolar patients) were analyzed by a K-means cluster approach and were compared on several clinical and biological variables. We also included 155 healthy controls for further comparisons. A two-cluster solution was selected, including a severely impaired group and a moderately impaired group. The severely impaired group was associated with higher illness duration and symptoms scores, lower thalamus and hippocampus volume, lower frontal connectivity and basal hypersynchrony in comparison to controls and the moderately impaired group. Moreover, both patients' groups showed lower cortical thickness and smaller functional connectivity modulation than healthy controls. This study supports the existence of different cognitive subgroups within the psychoses with different neurobiological underpinnings.
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Affiliation(s)
| | | | - Álvaro Díez
- Psychiatry Department, School of Medicine, University of Valladolid, Valladolid, Spain
| | | | - Rodrigo de Luis
- Imaging Processing Laboratory, University of Valladolid, Valladolid, Spain
| | | | | | | | | | | | | | | | | | - Javier Gómez-Pilar
- Biomedical Engineering Group, University of Valladolid, Valladolid, Spain; Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Spain
| | - Pablo Núñez-Novo
- Biomedical Engineering Group, University of Valladolid, Valladolid, Spain; Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Spain
| | - Vicente Molina
- Psychiatry Department, School of Medicine, University of Valladolid, Valladolid, Spain; Psychiatry Service, Clinical Hospital of Valladolid, Valladolid, Spain; Neurosciences Institute of Castilla y León (INCYL), University of Salamanca, Salamanca, Spain.
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Hernández-García M, Martín-Gómez C, Gómez-García M, Gomez-Pilar J, Núñez-Novo P, Arjona-Valladares A, Alejos-Herrera MV, Lozano-López MT, Gamonal Limcaoco S, Molina-Novoa C, Molina V. Abnormal self-experiences related to a hypersynchronic brain state in schizophrenia. Schizophr Res 2020; 222:538-540. [PMID: 32507377 DOI: 10.1016/j.schres.2020.03.056] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 03/25/2020] [Accepted: 03/27/2020] [Indexed: 10/24/2022]
Affiliation(s)
- Marta Hernández-García
- Psychiatry Service, Clinical Hospital of Valladolid, Ramón y Cajal, 3, 47003 Valladolid, Spain
| | - Carmen Martín-Gómez
- Psychiatry Service, Hospital Universitario de Salamanca, Instituto de Investigación Biomédica de Salamanca (IBSAL), Spain
| | - Marta Gómez-García
- Psychiatry Service, Clinical Hospital of Valladolid, Ramón y Cajal, 3, 47003 Valladolid, Spain
| | - Javier Gomez-Pilar
- Biomedical Engineering Group, University of Valladolid, Paseo de Belén, 15, 47011 Valladolid, Spain; Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Spain
| | - Pablo Núñez-Novo
- Biomedical Engineering Group, University of Valladolid, Paseo de Belén, 15, 47011 Valladolid, Spain
| | - Antonio Arjona-Valladares
- Psychiatry Department, School of Medicine, University of Valladolid, Av. Ramón y Cajal, 7, 47005 Valladolid, Spain; Instituto de Investigación Biomédica de Salamanca (IBSAL), Spain
| | - María Victoria Alejos-Herrera
- Neurophysiology Service, Hospital Universitario de Salamanca, Instituto de Investigación Biomédica de Salamanca (IBSAL), Spain
| | - Maria Teresa Lozano-López
- Psychiatry Service, Hospital Universitario de Salamanca, Instituto de Investigación Biomédica de Salamanca (IBSAL), Spain
| | - Sinta Gamonal Limcaoco
- Psychiatry Service, Hospital Universitario de Salamanca, Instituto de Investigación Biomédica de Salamanca (IBSAL), Spain
| | | | - Vicente Molina
- Psychiatry Service, Clinical Hospital of Valladolid, Ramón y Cajal, 3, 47003 Valladolid, Spain; Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Spain; Neurosciences Institute of Castilla y León (INCYL), School of Medicine, University of Valladolid, Av. Ramón y Cajal, 7, 47005 Valladolid, Spain.
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Rodríguez-Martínez EI, Angulo-Ruiz BY, Arjona-Valladares A, Rufo M, Gómez-González J, Gómez CM. Frequency coupling of low and high frequencies in the EEG of ADHD children and adolescents in closed and open eyes conditions. Res Dev Disabil 2020; 96:103520. [PMID: 31783276 DOI: 10.1016/j.ridd.2019.103520] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 10/23/2019] [Accepted: 10/26/2019] [Indexed: 06/10/2023]
Abstract
The present report examines the possible differences in absolute Power Spectral Density (PSD), the topography of brain rhythms, and low frequency (delta and theta) vs. beta PSD when attention deficit disorder (ADHD) children and controls are compared. These results would potentially be useful to test the validity of the developmental lag and differential developmental models for ADHD. The EEG resting state under the experimental conditions of open and closed eyes were recorded in samples of control subjects and children with ADHD (6-17 years old). The PSD from 0 to 46 Hz was calculated and ANOVAs were performed to compare the groups of subjects in the two experimental conditions. To observe differences in the co-maturation of the brain rhythms between the groups of subjects, correlations of the PSD of all frequency ranges were computed. These results showed an increase in delta power in children with ADHD compared to control subjects. The topographies of the different brain rhythms were similar in children with ADHD and controls. The maturational power-to-power frequency-coupling between low frequencies and beta rhythms was lower in children with ADHD. The increased delta PSD in ADHD and the similar brain rhythms topographies in children with ADHD and controls support the developmental lag model, whereas the decreased co-maturation of low frequencies vs. beta PSD in children with ADHD suggests a differential maturation rate for low and beta frequencies in children with ADHD compared to controls.
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Affiliation(s)
- Elena I Rodríguez-Martínez
- Human Psychobiology Lab, Experimental Psychology Department, University of Sevilla, 41018, Sevilla, Spain.
| | - Brenda Y Angulo-Ruiz
- Human Psychobiology Lab, Experimental Psychology Department, University of Sevilla, 41018, Sevilla, Spain.
| | - Antonio Arjona-Valladares
- Human Psychobiology Lab, Experimental Psychology Department, University of Sevilla, 41018, Sevilla, Spain.
| | - Miguel Rufo
- Instituto Hispalense de Pediatría, Seville, Spain.
| | | | - Carlos M Gómez
- Human Psychobiology Lab, Experimental Psychology Department, University of Sevilla, 41018, Sevilla, Spain.
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