2026-05-05T19:36:36Zhttps://uvadoc.uva.es/oai/request
oai:uvadoc.uva.es:10324/786512025-10-15T19:01:11Zcom_10324_1181com_10324_931com_10324_894col_10324_1387
UVaDOC author Molina Rodríguez, Vicente author Ruiz Gómez, Saúl José author Fernández Linsenbarth, Ines author Beño Ruiz De La Sierra, Rosa María author Osorio Iriarte, María Emma author Roig, Alejandro author Mijancos Martínez, Gema author Rodríguez Valbuena, Claudia author Bachiller Matarranz, Alejandro author Mañanas, Miguel Ángel author Díez Revuelta, Álvaro 2025-10-15T08:55:08Z 2025-10-15T08:55:08Z 2025 Progress in Neuro-Psychopharmacology and Biological Psychiatry, 2025, vol. 141, p. 111471 0278-5846 https://uvadoc.uva.es/handle/10324/78651 10.1016/j.pnpbp.2025.111471 111471 Progress in Neuro-Psychopharmacology and Biological Psychiatry 141 Introduction: Transcranial magnetic stimulation (TMS) pulses applied to the cortex induce dynamic changes in brain network activity. These changes are useful for the in vivo study of functional connectivity, which may be characterized with the application of network parameters to the pre-stimulus (i. e., baseline) and the post- stimulus (i. e., response) of TMS-mediated electroencephalographic (EEG) recordings. These measures may be altered in schizophrenia, so we hypothesized a basal hyperactive network associated to hypomodulation with TMS in patients. Material and methods: Twenty-six schizophrenia patients and 26 healthy controls were subjected to TMS pulses during an EEG recording in order to assess the effect on connectivity strength (CS), a parameter summarizing the global EEG synchrony of the cortical network at baseline and its TMS-evoked modulation. Results: Patients showed a higher baseline CS in all bands except gamma. In controls, TMS increased CS in all bands, more notably on beta and gamma. In comparison to controls, patients showed a lower baseline-to- response multiband activity increase of CS, and significantly lower CS modulation values in the gamma band with TMS pulses. No relationships were found between these measures and antipsychotic dose or other clinical and cognitive variables. Conclusions: In the context of evidence supporting an inhibitory deficit in schizophrenia, these results may reflect the functional consequences of an inhibitory/GABAergic deficit in the cortex in this syndrome eng Attribution-NonCommercial-NoDerivatives 4.0 Internacional Effect of transcranial magnetic pulses on cortical network connectivity in schizophrenia info:eu-repo/semantics/article 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URL https://uvadoc.uva.es/bitstream/10324/78651/1/Effect-transcranial-magnetic-pulses.pdf File MD5 6c02a7c26ceb6d24b0cb9ff7962800cd 3771026 application/pdf Effect-transcranial-magnetic-pulses.pdf