Andrés A González-Garrido

Andrés A González-Garrido
University of Guadalajara | UDG · Instituto de Neurociencias

M.D; M.Sc.; PhD

About

136
Publications
22,262
Reads
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Citations
Introduction
Andrés A González-Garrido currently works at the Instituto de Neurociencias, University of Guadalajara. Andrés does research in Cognitive Science. Their current project is 'Vibrotactile sound discrimination training affects brain connectivity in profoundly deaf individuals.'
Additional affiliations
September 1999 - present
University of Guadalajara
Position
  • Principal Investigator
September 1999 - present
University of Guadalajara
Position
  • Principal Investigator

Publications

Publications (136)
Article
Fact retrieval deficits have been documented in children with mathematical learning disabilities. We assessed the retrieval of arithmetic facts in neurotypical 9-to-10-year-old children with different mathematical achievement levels using event-related potential methods while performing an arithmetic verification task (addition, subtraction, and mu...
Article
Sex differences in cognition and their underlying brain mechanisms have attracted increasing attention. Brain electrical activity (EEG) represents a reliable, high-temporal resolution approach to assessing the neural correlates of ongoing cognitive activity. The aim of the present work was to provide a comprehensive review of the literature regardi...
Article
Modulation of reflex responses is crucial to adapt our behavior and cognition, and this is especially difficult when biological relevant stimuli are present such as emotional faces. The aim of this study was to identify the effect of peripherally presented happy and angry facial expressions in reflexive saccades and saccadic inhibition/re-orientati...
Article
The report of the electroencephalogram (EEG) results has traditionally been made using free-text formats with a huge variation in descriptions due to several factors. Recently, the International Federation of Clinical Neurophysiology (IFCN) endorsed the use of the Standardized Computer-based Organized Reporting of EEG (SCORE). This system has many...
Article
Visuospatial working memory (VSWM) deficits have been demonstrated to occur during the development of type-1-diabetes (T1D). Despite confirming the early appearance of distinct task-related brain activation patterns in T1D patients compared to healthy controls, the effect of VSWM load on functional brain connectivity during task performance is stil...
Article
Full-text available
Despite the recent literature on sex-related anatomic, maturational and functional brain differences, the study of significant individual developments in math learning and achievement has scarcely approached this perspective. We aimed to compare the influence of sex in functional brain connectivity and behavioral measures in a numerical comparison...
Article
Challenges in early oral language acquisition in profoundly deaf individuals have an impact on cognitive neurodevelopment. This has led to the exploration of alternative sound perception methods involving training of vibrotactile discrimination of sounds within the language spectrum. In particular, stimulus duration plays an important role in lingu...
Article
Brain-machine interfaces (BMIs) are useful tools for controlling assistive devices. One current approach in this field is continuous trajectory reconstruction (CTR), which decodes variables from electroencephalographic (EEG) signals. In this study, the CTR approach was applied to estimate kinetic variables from lower limb joints during pre-gait mov...
Article
Full-text available
Working Memory (WM) deficits have been suggested as an endophenotypic marker for schizophrenia. This neurocognitive marker proposal has been supported by evidence of WM deficits also observed in unaffected high-risk relatives (HR) of patients with schizophrenia. Furthermore, empirical evidence suggests that working memory (WM) load and the implicit...
Chapter
The infant brain tunes to acquire and understand the language in a prolonged and crucial process of vigorous neurodevelopment. Hence, early auditory deprivation may drastically affect this neurofunctional integration by compromising cognitive maturation and perceptual learning. Individuals with profound congenital deafness are impacted by sensory d...
Article
Objective Type-1 diabetes (T1D) is a disruptive metabolic disease that has an impact on neurodevelopment through its effects on the structure and function of the brain. One of the cognitive domains affected by T1D is sustained attention. The aim of this study was to analyze this process in children with T1D and compare their results to those of hea...
Article
This study examined Spanish spelling errors among 166 native Spanish-speaking students from Kindergarten to Grade 3 based on a spelling-to-diction task. Fifteen types of spelling errors were analyzed in a latent class analysis. Results suggested three phases of spellers: Phase 1 students had a high chance of committing almost all types of errors. P...
Article
Resumen La esquizofrenia es considerada como un trastorno mental heterogéneo que abarca amplios rangos de expresión perceptiva, cognoscitiva, emocional, funcional, estructural y del comportamiento, que además se vincula a una importante susceptibilidad genética. Es por ello que investigar sobre esta enfermedad implique seleccionar cuidadosamente a...
Article
Full-text available
Recent studies aiming to facilitate mathematical skill development in primary school children have explored the electrophysiological characteristics associated with different levels of arithmetic achievement. The present work introduces an alternative EEG signal characterization using graph metrics and, based on such features, a classification anal...
Article
Background: Type 1 diabetes (T1D) is a metabolic disorder characterized by recurrent hypo- and hyperglycemic episodes, whose clinical development has been associated with cognitive and working memory (WM) deficits. Objective: To contrast quantitative electroencephalography (qEEG) measures between young patients with T1D and healthy controls whil...
Article
The ability to modulate automatic responses, in order to favor voluntary actions is crucial for cognition and behavior, and this is particularly difficult when dealing with highly salient stimuli as emotional faces. The aim of this study was to evaluate the effects of angry faces on cortical activity during preparation of saccadic inhibition and vo...
Article
Full-text available
Introduction: There is an essential relationship between reading development and orthographic knowledge, which varies depending on a language’s orthographic characteristics. In transparent orthographies, such as Spanish, that relationship is closer, where reading speed and orthographic knowledge reflect the automation of the process in which crucia...
Article
The aim of this study was to compare a reconfigurable mobile electroencephalography (EEG) system (M-EMOTIV) based on the Emotiv Epoc ® (which has the ability to record up to 14 electrode sites in the 10/20 International System) and a commercial, clinical-grade EEG system (Neuronic MEDICID-05 ® ), and then validate the rationale and accuracy of reco...
Article
Full-text available
El dominio del lenguaje escrito se basa en la consolidación de representaciones neurales complejas de los patro-nes ortográficos de las palabras. En virtud de explorar las características presentes en procesos neurales relaciona-dos con la especialización ortográfica, se estudiaron con métodos de imagen por resonancia magnética funcional los nivele...
Article
Full-text available
The purpose of this study was to identify the effects of delayed response on inhibitory control in low- and high-impulsivity adolescents in the presence of an emotional context. Participants performed a Go/No-Go task in 4 conditions: a control context with and without delayed response, and a pleasant context with and without delayed response. The a...
Article
Several executive functions decline with the development of type-1 diabetes (T1D), particularly working memory (WM). In adults, WM ensures efficient cognitive processing by focusing on task-relevant information while suppressing distractors. It has been well documented that WM can be influenced by emotional stimuli, which may facilitate the retenti...
Article
Full-text available
Background Type 1 diabetes mellitus (T1D) affects the entire cellular network of the organism. Some patients develop cognitive disturbances due to the disease, but several authors have suggested that the brain develops compensatory mechanisms to minimize or prevent neuropsychological decline. The present study aimed to assess the effective connecti...
Article
Este artículo no pretende realizar una revisión sistemática ni completa de la literatura, sino que tiene como objetivo ofrecer una visión crítica por parte de los autores, acerca de la organización funcional cerebral durante la lectura en personas bilingües. Primeramente se presenta un análisis crítico de diferentes propuestas teóricas acerca del p...
Poster
A close relationship between the performance on symbolic numerical comparison tasks and math achievements in children, adolescents, and young adults has been reiteratively reported. Moreover, several studies have consistently shown that children with math difficulties have an impaired ability to process numerical representations. In this context, w...
Conference Paper
The development of neural substrates of spelling abilities is greatly influenced by the characteristics of the language. Orthographic consistency leads to the adoption of different reading strategies across languages. In this regard, it is crucial to understand the developing mechanisms underlying word recognition and reading fluency in a context i...
Article
The aim of the study was to evaluate the neurofunctional effect of gender in Type‐1 Diabetes Mellitus (T1DM) patients during a Visual Spatial Working Memory (VSWM) task. The study included 28 participants with ages ranging from 17‐28 years. Fourteen well‐controlled T1DM patients (7 female) and 14 controls matched by age, sex, and education level we...
Chapter
Full-text available
Motor imagery (MI)-based brain-machine interface (BMI) is a technology under development that actively modifies users’ perception and cognition through mental tasks, so as to decode their intentions from their neural oscillations, and thereby bringing some kind of activation. So far, MI as control task in BMIs has been seen as a skill that must be...
Article
Symbolic numerical magnitude processing is crucial to arithmetic development, and it is thought to be supported by the functional activation of several brain-interconnected structures. In this context, EEG beta oscillations have been recently associated with attention and working memory processing that underlie math achievement. Due to that EEG coh...
Article
Full-text available
Introduction The first rehabilitative intervention of a hearing impaired infant is hearing aid fitting. Functional gain is one of the most used measures in the verification of the prescribed parameters of hearing aids for evaluating their efficacy in achieving rehabilitation goals. This measure is defined as the relative decibel difference between...
Article
Full-text available
Introduction The occlusion effect (OE) is a well known phenomenon in audiology clinical practice. It is often defined as the increase in sound pressure in front of the tympanic membrane for low frequencies through 1000 Hz, and the subsequent improvement in hearing sensitivity at these frequencies when a bone conducted signal is presented to the sku...
Article
It has been generally accepted that skipping breakfast adversely affects cognition, mainly disturbing the attentional processes. However, the effects of short-term fasting upon brain functioning are still unclear. We aimed to evaluate the effect of skipping breakfast on cognitive processing by studying the electrical brain activity of young healthy...
Article
The study of orthographic errors in a transparent language such as Spanish is an important topic in relation to writing acquisition because in Spanish it is common to write pseudohomophones as valid words. The main objective of the present study was to explore the possible differences in activation patterns in brain areas while processing pseudohom...
Article
Orthographic competence allows automatic word recognition and reading fluency. To elucidate how the orthographic competence in Spanish-speaking adults might affect the neurofunctional mechanisms of visual word recognition, 32 young adults equally divided in two groups (HSS: High Spelling Skills, and LSS: Low Spelling Skills) were evaluated using fM...
Article
Full-text available
Type 1 diabetes (T1D) is commonly diagnosed in childhood and adolescence, and the developing brain has to cope with its deleterious effects. Although brain adaptation to the disease may not result in evident cognitive dysfunction, the effects of T1D on neurodevelopment could alter the pattern of BOLD fMRI activation. The aim of this study was to ex...
Article
Full-text available
Adolescents exhibit difficulties in behavioral regulation that become more evident when emotional contexts are involved, since these may hinder the development of socially-adaptive behaviors. The objectives of the present study were: to examine the influence of emotional contexts on adolescents’ ability to inhibit a prepotent response, evaluated by...
Article
Full-text available
La existencia de una correlación entre la frecuencia cardíaca (FC), la frecuencia respiratoria (FR) y las respuestas electrodérmicas de la piel (Skin Conductance Response, SCR) ha sido reportada en la literatura, así como también el uso de estos parámetros como medida del nivel de activación del sistema nervioso autónomo. Objetivo: Este trabajo pre...
Article
Full-text available
Early auditory deprivation has serious neurodevelopmental and cognitive repercussions largely derived from impoverished and delayed language acquisition. These conditions may be associated with early changes in brain connectivity. Vibrotactile stimulation is a sensory substitution method that allows perception and discrimination of sound and even s...
Article
Children with mathematical difficulties usually have an impaired ability to process symbolic representations. Functional MRI methods have suggested that early frontoparietal connectivity can predict mathematic achievements; however, the study of brain connectivity during numerical processing remains unexplored. With the aim of evaluating this in ch...
Poster
Full-text available
Adolescents seem to act on the spur of the moment, with a behavior guided by emotions, especially the most impulsive ones. Delaying response could improve motor inhibition and, hence, help to avoid too rapid or unplanned responses. The purpose of this study was to measure the effect of the delay over inhibitory control when an irrelevant pleasant c...
Article
The aim of the present study was to explore sex differences in the effects that emotional contexts exert on the temporal course of response inhibition using event-related potentials (ERP). Participants performed a Go-NoGo response inhibition task under 3 context conditions: with 1) neutral background stimuli, and 2) pleasant, and 3) unpleasant emot...
Poster
Full-text available
Está bien establecido que los problemas de multiplicación de un solo dígito se almacenan en memoria de largo plazo como una asociación fáctica de operación-resultado, lo que permite resolver problemas de manera automática, sin necesidad de ”operar” con los números. En la presente investigación se revisa la dificultad con la cual sujetos responden a...
Article
Full-text available
Performance monitoring depends on cortical structures that are also activated in vicarious monitoring. While many experiments have shown that vicarious and on-line monitoring have a similar basis, most such experiments have focused on simple tasks. In order to assess the effect of non-contingent feedback on vicarious monitoring, 23 young volunteer...
Article
Full-text available
Decision making has been found to be altered in suicide attempters, but little is known of their performance in social contexts. Twenty-seven depressed suicide attempters (DSA), 25 nonsuicidal depressed patients (DP), and 60 healthy participants (HC) were evaluated by a decision-making task in social context. Results indicated DSA and DP obtained l...
Article
Full-text available
La dislexia es uno de los trastornos del desarrollo más comunes en la etapa escolar y afecta aproximadamente del 5 a 15% de la población. La comprensión en «tiempo real» de un texto requiere del procesamiento de la información visual entrante a través de una compleja serie de fijaciones cortas de la mirada y movimientos sacádicos de los ojos, así c...
Article
Full-text available
Depression is a mental illness that presents alterations in brain connectivity in the Default Mode Network (DMN), the Affective Network (AN) and other cortical-limbic networks, and the Cognitive Control Network (CCN), among others. In recent years the interest in the possible effect of the different antidepressant treatments on functional connectiv...
Article
Ictal and interictal epileptiform discharges affect brain functional dynamics, but the issue of how they occur is still under debate. The present study evaluated the brain electrical activity that underlies epileptic seizures by focusing analysis on four electroencephalographic time stages around seizure onset. The dynamics of the functional organi...
Article
Full-text available
In recent years, increasing attention has been paid to the effects of Type 1 Diabetes (T1D) on cognitive functions. T1D onset usually occurs during childhood, so it is possible that the brain could be affected during neurodevelopment. We selected young patients of normal intelligence with T1D onset during neurodevelopment, no complications from dia...
Article
Full-text available
Orthographic knowledge is affected by language processing, which is associated with word exposure. This study used event-related potentials (ERP) to explore this association in Spanish-speaking adults with different levels of orthographic competence (High Spelling Skills: HSS; Low Spelling Skills: LSS) while they performed a lexical decision task o...
Article
Full-text available
The study of orthographic errors in a transparent language like Spanish is an important topic in relation to writing acquisition. The development of neuroimaging techniques, particularly functional magnetic resonance imaging (fMRI), has enabled the study of such relationships between brain areas. The main objective of the present study was to explo...