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Author: Alvaro Diez

Home Articles Posted by Alvaro Diez (Page 4)
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RESEARCH SESSION: 10 NOVEMBER 2020

November 13, 2020Alvaro Diez

PATIENTS WITH GREATER HYPERACTIVATION AT RESTING STATE MODULATE THEIR BRAIN ACTIVITY LESS DURING A COGNITIVE TASK. EVIDENCE USING THE SPECTRAL ENTROPY MEASURE (Dr. María Iglesias and Dr. Álvaro Díez) Entropy is a thermodynamic function that was adapted to the context of information theory.  Applied in the power spectrum of the EEG it is called Spectral…

RESEARCH SESSION: 3 NOVEMBER 2020

November 6, 2020Alvaro Diez

BIBLIOGRAPHIC REVIEW: IMPAIRED COROLLARY DISCHARGE IN PSYCHOSIS AND AT-RISK STATES: INTEGRATING NEURODEVELOPMENTAL, PHENOMENOLOGICAL AND CLINICAL PERSPECTIVES (Poletti et al., 2019, Biol Psychiatry Cogn Neurosci Neuroimaging). In this article published in 2019 in Biol Psychiatry Cogn Neurosci Neurimaging, the authors (Michele Poletti, Antonio Tortorella and Andrea Raballo) start from the following conceptual framework: they understand the…

RESEARCH SESSION: 27 OCTOBER 2020

November 6, 2020Alvaro Diez

PRELIMINARY RESULTS: ALTERATIONS IN COROLLARY DISCHARGE IN SCHIZOPHRENIA Corollary discharge (CD) is a mechanism used to distinguish self-generated perceptions from those coming from external sources. To correctly make this distinction, a copy of the motor processing is sent to the sensory regions, predicting the sensory consequences that this motor act will generate. By comparing this…

RESEARCH SESSION: 29 SEPTEMBER 2020

October 1, 2020Alvaro Diez

General Cognition and Alteration in Self-experiences in Schizophrenia Abnormal Self-experiences (ASEs) are prevalent in patients with schizophrenia, even though it is considered a primary alteration in this mental illness. Although understanding of these abnormal experiences is still poor, it seems conceivable that those ASEs may be related to other altered functions in psychosis that require…

RESEARCH SESSION: 7 JULY 2020

August 3, 2020Alvaro Diez

Our colleague, Dr. Antonio Arjona, tells us his latest results on the alteration of Corolary Discharge in patients with schizophrenia: The term Corollary Discharge (CD) is used in the field of neuroscience to refer to copies of motor commands that allow our brain to predict the sensations generated by the execution of our own actions….

RESEARCH SESSION: 14 JULY 2020

July 20, 2020Alvaro Diez

One of our main research lines is the alterations of the Self experience in schizophrenia. Today, our colleague Isabel Santos, a psychiatry resident at the Hospital Clínico Universitario de Valladolid, has reviewed the following article on this topic: “Self-disorders and the Schizophrenia Spectrum: A Study of 100 First Hospital Admissions” by Julie Nordgaard and Josef…

RESEARCH SESSION: 25 FEBRUARY 2020

February 25, 2020Alvaro Diez

Today our PhD candidate Maria Iglesias, resident of neurophysiology at the University Hospital of Valladolid, has shown her bibliographic review on power alterations in different frequency bands (time-frequency analysis) in patients with schizophrenia or bipolar disorder during resting state. Recently Dr. Iglesias and Dr. Diez showed us their own results of alterations in EEG power…

RESEARCH SESSION: FEBRUARY 18, 2020 (II)

February 19, 2020Alvaro Diez

Bibliographic session by Dr. Óscar Martín: Characterization of different cognitive groups in schizophrenia. Cognitive deficits are essential in characterising schizophrenia spectrum disorders. However, at present there is no pharmacological or other treatment available that effectively treats these symptoms. Multiple studies have attempted to categorize distinct subgroups that perform similarly on cognitive tests. The definition and…

RESEARCH SESSION: FEBRUARY 18, 2020 (I)

February 19, 2020Alvaro Diez

Today, Professor Molina also briefly presented the preliminary analyses on the relationship between abnormal experiences of the Self and the anatomical data of those brain regions normally most involved in its generation. We found a high positive correlation coefficien between the thinning of the cortex in the caudal cingulate region and the intensity of those…

RESEARCH SESSION: FEBRUARY 4, 2020

February 12, 2020Alvaro Diez

RESEARCH FINDINGS: ABNORMAL “SELF” PERCEPTIONS RELATED TO THE STATE OF BRAIN HIPERACTIVATION IN SCHIZOPHRENIA. In today’s session, our colleague Dr. Marta Hernández from the Hospital Clínico Universitario de Valladolid, presented her new research results on personal abnormal perceptions or “self” in patients with schizophrenia. These anomalous perceptions are alterations in the understanding of or relationship…

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