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Start Over Descriptor "Event Related Potentials (ERPs)" Topic electroencephalogram (eeg)
8 results on '"Event Related Potentials (ERPs)"'

1. The neurogenesis of P1 and N1: A concurrent EEG/LFP study.

Author

Bruyns-Haylett, Michael, Luo, Jingjing, Kennerley, Aneurin J., Harris, Sam, Boorman, Luke, Milne, Elizabeth, Vautrelle, Nicolas, Hayashi, Yurie, Whalley, Benjamin J., Jones, Myles, Berwick, Jason, Riera, Jorge, and Zheng, Ying

Subjects
*DEVELOPMENTAL neurobiology, *ELECTROENCEPHALOGRAPHY, *PYRAMIDAL neurons, *SOMATOSENSORY cortex, *EVOKED potentials (Electrophysiology), *BICUCULLINE
Abstract

It is generally recognised that event related potentials (ERPs) of electroencephalogram (EEG) primarily reflect summed post-synaptic activity of the local pyramidal neural population(s). However, it is still not understood how the positive and negative deflections (e.g. P1, N1 etc) observed in ERP recordings are related to the underlying excitatory and inhibitory post-synaptic activity. We investigated the neurogenesis of P1 and N1 in ERPs by pharmacologically manipulating inhibitory post-synaptic activity in the somatosensory cortex of rodent, and concurrently recording EEG and local field potentials (LFPs). We found that the P1 wave in the ERP and LFP of the supragranular layers is determined solely by the excitatory post-synaptic activity of the local pyramidal neural population, as is the initial segment of the N1 wave across cortical depth. The later part of the N1 wave was modulated by inhibitory post-synaptic activity, with its peak and the pulse width increasing as inhibition was reduced. These findings suggest that the temporal delay of inhibition with respect to excitation observed in intracellular recordings is also reflected in extracellular field potentials (FPs), resulting in a temporal window during which only excitatory post-synaptic activity and leak channel activity are recorded in the ERP and evoked LFP time series. Based on these findings, we provide clarification on the interpretation of P1 and N1 in terms of the excitatory and inhibitory post-synaptic activities of the local pyramidal neural population(s). [ABSTRACT FROM AUTHOR]

Published
2017
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2. Behavioral and Electrophysiological Correlates of Memory Binding Deficits in Patients at Different Risk Levels for Alzheimer's Disease.

Author

Pietto, Marcos, Parra, Mario A., Trujillo, Natalia, Flores, Facundo, García, Adolfo M., Bustin, Julian, Richly, Pablo, Manes, Facundo, Lopera, Francisco, Ibáñez, Agustín, and Baez, Sandra

Subjects
*ALZHEIMER'S disease, *MEMORY loss, *SHORT-term memory, *PRESENILINS, *BIOMARKERS, *ELECTROPHYSIOLOGY, *BRAIN, *COLOR vision, *DISEASE susceptibility, *ELECTROENCEPHALOGRAPHY, *EVOKED potentials (Electrophysiology), *NEUROPSYCHOLOGICAL tests, *MEMBRANE proteins, *MEMORY disorders, *RESEARCH funding, *VISUAL perception, *RELATIVE medical risk, *GENETIC carriers, *EARLY diagnosis
Abstract

Deficits in visual short-term memory (VSTM) binding have been proposed as an early and specific marker for Alzheimer's disease (AD). However, no studies have explored the neural correlates of this domain in clinical categories involving prodromal stages with different risk levels of conversion to AD. We assessed underlying electrophysiological modulations in patients with mild cognitive impairment (MCI), patients in the MCI stages of familial AD carrying the mutation E280A of the presenilin-1 gene (MCI-FAD), and healthy controls. Moreover, we compared the behavioral performance and neural correlates of both patient groups. Participants completed a change-detection VSTM task assessing recognition of changes between shapes or shape-color bindings, presented in two consecutive arrays (i.e., study and test) while event related potentials (ERPs) were recorded. Changes always occurred in the test array and consisted of new features replacing studied features (shape-only) or features swapping across items (shape-color binding). Both MCI and MCI-FAD patients performed worse than controls in the shape-color binding condition. Early electrophysiological activity (100-250 ms) was significantly reduced in both clinical groups, particularly over fronto-central and parieto-occipital regions. However, shape-color binding performance and their reduced neural correlates were similar between MCI and MCI-FAD. Our results support the validity of the VSTM binding test and their neural correlates in the early detection of AD and highlight the importance of studies comparing samples at different risk for AD conversion. The combined analysis of behavioral and ERP data gleaned with the VSTM binding task can offer a valuable memory biomarker for AD. [ABSTRACT FROM AUTHOR]

Published
2016
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3. A machine learning approach for distinguishing age of infants using auditory evoked potentials

Author

Ravan, Maryam, Reilly, James P., Trainor, Laurel J., and Khodayari-Rostamabad, Ahmad

Subjects
*DEVELOPMENTAL neurobiology, *MACHINE learning, *AUDITORY evoked response, *INFANT development, *ELECTROENCEPHALOGRAPHY, *BRAIN stimulation, *BRAIN physiology
Abstract

Abstract: Objective: To develop a high performance machine learning (ML) approach for predicting the age and consequently the state of brain development of infants, based on their event related potentials (ERPs) in response to an auditory stimulus. Methods: The ERP responses of twenty-nine 6-month-olds, nineteen 12-month-olds and 10 adults to an auditory stimulus were derived from electroencephalogram (EEG) recordings. The most relevant wavelet coefficients corresponding to the first- and second-order moment sequences of the ERP signals were then identified using a feature selection scheme that made no a priori assumptions about the features of interest. These features are then fed into a classifier for determination of age group. Results: We verified that ERP data could yield features that discriminate the age group of individual subjects with high reliability. A low dimensional representation of the selected feature vectors show significant clustering behavior corresponding to the subject age group. The performance of the proposed age group prediction scheme was evaluated using the leave-one-out cross validation method and found to exceed 90% accuracy. Conclusions: This study indicates that ERP responses to an acoustic stimulus can be used to predict the age and consequently the state of brain development of infants. Significance: This study is of fundamental scientific significance in demonstrating that a machine classification algorithm with no a priori assumptions can classify ERP responses according to age and with further work, potentially provide useful clues in the understanding of the development of the human brain. A potential clinical use for the proposed methodology is the identification of developmental delay: an abnormal condition may be suspected if the age estimated by the proposed technique is significantly less than the chronological age of the subject. [Copyright &y& Elsevier]

Published
2011
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4. Original Investigation.

Author

Rao, Anling, Henglong Hu, and Nobre, Anna Christina

Subjects
*HUMAN behavior, *BRAIN, *PLACEBOS, *METHYLXANTHINES, *ELECTROPHYSIOLOGY, *INFORMATION processing, *THERAPEUTICS
Abstract

The objective of this research was to measure the effects of energising drinks containing caffeine and glucose, upon mental activity during sustained selective attention. Non-invasive electrophysiological brain recordings were made during a behavioural study of selective attention in which participants received either energising or placebo drinks. We tested specifically whether energising drinks have significant effects upon behavioural measures of performance during a task requiring sustained visual selective attention, as well as on accompanying components of the event-related potential (ERPs) related to information processing in the brain. Forty healthy volunteers were blindly assigned to receive either the energising drink or a similar-tasting placebo drink. The behavioural task involved identifying predefined target stimulus among rapidly presented streams of peripheral visual stimuli, and making speeded motor responses to this stimulus. During task performance, accuracy, reaction times and ongoing brain activity were stored for analysis. The energising drink enhanced behavioural performance both in terms of accuracy and speed of reactions. The energising drink also had significant effects upon the event-related potentials. Effects started from the enhancement of the earliest components (C1/P1), reflecting early visual cortical processing in the energising-drink group relative to the placebo group over the contralateral scalp. The later N1, N2 and P3 components related to decision-making and responses were also modulated by the energising drink. Energising drinks containing caffeine and glucose can enhance behavioural performance during demanding tasks requiring selective attention. The behavioural benefits are coupled to direct effects upon neural information processing. [ABSTRACT FROM AUTHOR]

Published
2005
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5. Virtual EEG: A Software-Based Electroencephalogram Designed for Undergraduate Neuroscience-Related Courses

Author

Benjamin Miller, Troyer, M., and Busey, T.

Subjects
electroencephalogram (EEG), neuroscience education, laboratory course, event related potentials (ERPs), Article, object recognition, visual processing
Abstract

A current topic in neuroscience addresses the link between brain activity and visual awareness. The electroencephalogram (EEG), which uses non-invasive high temporal resolution scalp recordings to measure brain activity, is a common tool used to probe this question. EEG recordings, however, are difficult to implement in the curriculum of laboratory-based courses. Thus, undergraduate students often lack experience with EEG experiments. We report here an EEG program (Virtual EEG) that can be used in undergraduate courses to analyze averaged EEG data, termed Event Related Potentials (ERPs). The program was designed so that students can generate hypothesis-driven studies that address how the brain encodes categories of visual stimuli. The Virtual EEG is a large database of EEG recordings consisting of 32 channels taken from real human subjects who were shown 256 pictures of visual stimuli. The program provides a number of possible ways to group the stimuli. After selecting the appropriate stimuli, the program constructs graphs of the ERPs. The channels can be selected for statistical analysis. Because the program uses real data, students are encouraged to interpret their results in light of previously published work. Thus, students have the opportunity to discover something new about how the brain processes visual information. This article also includes a tutorial and summarizes the results of an assessment survey. Finally, we include information regarding the companion Virtual EEG website. The Virtual EEG has been used successfully for the past six years at Indiana University with over a thousand undergraduate students in a research methods course, and the assessment results illustrate its strengths and limitations.

Published
2008

6. Effect of electromagnetic radiation of wireless devices on the electrical signals of the brain

Author

Chountala, Chrysanthi D., Καψάλης, Χρήστος, Κωττής, Παναγιώτης, Φικιώρης, Γεώργιος, Παπαγεωργίου, Χαράλαμπος, Παναγόπουλος, Αθανάσιος, Κακλαμάνη, Δήμητρα-Θεοδώρα, Γιόβα, Διδώ, and Εθνικό Μετσόβιο Πολυτεχνείο. Σχολή Ηλεκτρολόγων Μηχανικών & Μηχανικών Υπολογιστών. Τομέας Συστημάτων Μετάδοσης Πληροφορίας και Τεχνολογίας Υλικών. Εργαστήριο Ασυρμάτου και Επικοινωνίας Μεγάλων Αποστάσεων

Subjects
Ηλεκτροεγκεφαλογράφημα, EEG frequency bands, Wechsler test, Electromagnetic radiation effect, Spectral Power Coherence (SPC), Gender, Μετασχηματισμός Fourier, Event Related Potentials (ERPs), Προκλητά δυναμικά, Hayling test, Electroencephalogram (EEG), Συσχέτιση φασματικής ισχύος, Fourier transform, Ρυθμοί ηλεκτροεγκεφαλογραφήματος, Επίδραση ηλεκτρομαγνητικής ακτινοβολίας, Wi-Fi
Abstract

217 σ., Αντικείμενο της παρούσας διδακτορικής διατριβής είναι η μελέτη της επίδρασης ηλεκτρομαγνητικής ακτινοβολίας από ασύρματο τερματικό εξοπλισμό στα ηλεκτρικά σήματα του εγκεφάλου. Χρησιμοποιήθηκαν ήδη υπάρχοντα δεδομένα και διεξήχθησαν καινούργια πειράματα για τη συλλογή νέων μετρήσεων με σκοπό τη μελέτη εγκεφαλικών σημάτων παρουσία ακτινοβολίας. Έγινε επεξεργασία και στατιστική ανάλυση των μετρήσεων με διάφορες μεθόδους για την εξαγωγή αποτελεσμάτων και συμπερασμάτων. Αρχικά παρουσιάζεται η δομή των νευρικών κυττάρων και τα δυναμικά που αναπτύσσονται σε αυτά με αποτέλεσμα τη δημιουργία και μετάδοση των ηλεκτρικών σημάτων. Περιγράφεται ο τρόπος καταγραφής του εγκεφαλικού σήματος και αναλύονται τα κύρια χαρακτηριστικά του, όπως οι φασματικές συνιστώσες και οι βασικές κορυφώσεις σε σχέση με το χρόνο των προκλητών δυναμικών. Στη συνέχεια παρουσιάζεται μία βιβλιογραφική επισκόπηση για την εξέλιξη της έρευνας στο θέμα της επίδρασης ακτινοβολίας στην ανθρώπινη εγκεφαλική λειτουργία και περιγράφονται οι πειραματικές διατάξεις που χρησιμοποιήθηκαν για τη συλλογή των δεδομένων. Αναλύεται η πειραματική διαδικασία στην οποία υπεβλήθησαν συνολικά 39 άτομα, κατά τη διάρκεια δύο πειραμάτων, υπό και χωρίς την επίδραση ηλεκτρομαγνητικής ακτινοβολίας στις συχνότητες που λειτουργούν τα κινητά τηλέφωνα (900 και 1800 MHz) καθώςκαι η οργάνωση των καταγεγραμμένων δεδομένων. Όσον αφορά στo ηλεκτροεγκεφαλογράφημα που καταγράφεται εν ηρεμία γίνεται εφαρμογή του μετασχηματισμού Fourier και παρουσιάζονται τα αποτελέσματα που προέκυψαν για την ενέργεια των φασματικών συνιστωσών του σήματος ύστερα από στατιστική επεξεργασία. Στα μετασχηματισμένα δεδομένα εφαρμόζεται η μέθοδος της συσχέτισης φασματικής ισχύος για την εξαγωγή περαιτέρω συμπερασμάτων. Ακολούθως περιγράφονται οι μέθοδοι επεξεργασίας των δεδομένων του ηλεκτροεγκεφαλογραφήματος στο τμήμα που αφορά στα προκλητά δυναμικά, δηλαδή της δραστηριότητας του εγκεφάλου ύστερα από την έλευση ενός εξωτερικού ερεθίσματος. Παρουσιάζονται τα αποτελέσματα της επεξεργασίας όπου μελετώνται οι διαφοροποιήσεις των κορυφώσεων του σήματος σε σχέση με την επίδραση της ακτινοβολίας καθώς και άλλων παραγόντων (φύση ερεθισμού, φύλο εξετασθέντων, σειρά ερωτήσεων). Στη συνέχεια περιγράφεται η πειραματική διαδικασία που διενεργήθηκε για τη συλλογή δεδομένων υπό την επίδραση Wi-Fi σήματος και στην οποία υπεβλήθησαν 30 άτομα. Παρουσιάζεται η επεξεργασία αυτών και αναλύονται αποτελέσματα για το τμήμα του σήματος που αφορά στα προκλητά δυναμικά ως προς την επίδραση ακτινοβολίας, φύλου και ψυχολογικής δοκιμασίας που ακολουθήθηκε., The purpose of the present thesis is to study the effect of electromagnetic radiation from wireless terminal equipment on the electrical brain signals. Existing data were used and new experiments were conducted to collect new measurements in order to study brain signals in the presence of radiation. The measurements were processed and statistical analyzed using various methods for the extraction of results and conclusions. In the beginning of the thesis, the structure of nerve cells and the potentials developed in them resulting in the creation and transmission of electrical signals are described. The technique that brain signals are captured is presented and the main features, such as spectral components and main peaks in relation to time of evoked potentials are analyzed. Then, literatures review on the evolution of research into the effects of radiation on human brain function is presented and the experimental setups used to collect data are described. The experimental procedure and the organization and processing of the data are then described. A total of 39 subjects participated in two experiments with and without the influence of electromagnetic radiation of 900 and 1800 MHz. Regarding the resting electroencephalogram, Fourier transformation was applied and the results obtained for the energy of the spectral components of the signal are presented. The transformed data were analyzed using the method of spectral power coherence in order to extract further conclusions. The procedure of processing the evoked related potentials, ie the activity of the brain after the onset of an external stimulus, is then explained. The results of this processing are analyzed illustrating the variation of the signal peaks in relation to the effects of radiation and other factors (type of stimulation, gender, sequence of questions). In addition the experimental procedure that was conducted to collect data under the influence of Wi-Fi signal, in which 30 people participated, is presented. The EEG data processing is described and results for the evoked related potentials are analyzed concerning the effect of the radiation, the gender and the psychological test that was undertaken., Χρυσανθη Δ. Χουνταλα

Published
2012
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7. Συνδυασμός μεθόδων απεικόνισης ανθρωπίνου εγκεφάλου και υποσυνείδητη αντίληψη

Author

Ουζούνογλου, Νικόλαος, Korini, Panagiota, Νικήτα, Κωνσταντίνα, and Ματσόπουλος, Γιώργος

Subjects
Functional magnetic resonance imaging (fMRI), Λειτουργική απεικόνιση μαγνητικού συντονισμού (fMRI), Event related potentials (ERPs), Ηλεκτροεγκεφαλογράφημα (EEG), 612.8, Εγκεφαλικά προκλητά δυναμικά (ERPs), EEGLAB, Υποσυνείδητη αντίληψη, Electroencephalogram (EEG), Subliminal perception
Abstract

H προβολή υποσυνείδητων μηνυμάτων είναι η διαδικασία έκθεσης ερεθισμάτων κάτω από το κατώφλι της συνειδητοποίησης. Με τον τρόπο αυτό μπορεί να επηρεαστούν οι σκέψεις, τα συναισθήματα και ενέργειες του ανθρώπου. Η υποσυνείδητη αντίληψη συμβαίνει όταν οι πληροφορίες αποθηκεύονται στο ανθρώπινο μυαλό, χωρίς ο δέκτης να έχει συνειδητά επίγνωση του προβλήματος. Οι πληροφορίες φτάνουν στο μυαλό, γιατί ενώ δεν είναι συνειδητά αντιληπτές, γίνονται αντιληπτές από το υποσυνείδητο κομμάτι του εγκεφάλου. Αντικείμενο της παρούσας διπλωματικής εργασίας είναι η αποτίμηση των πιθανών διαφορών στις καταγραφές ηλεκτροεγκεφαλογραφήματος (ΕΕG) και προκλητών δυναμικών (ERPs) κατά την υποβολή ενός ατόμου σε οπτικά υποσυνείδητα ερεθίσματα σε σύγκριση με καταγραφές χωρίς ερέθισμα. Στην εργασία χρησιμοποιήθηκε ένα ερευνητικό πρωτόκολλο το οποίο εξετάζει το πώς επηρεάζουν τα υποσυνείδητα ερεθίσματα τη λήψη αποφάσεων και την εγκεφαλική λειτουργία. Στο πρώτο μέρος της εργασίας (κεφάλαια 1 και 2) γίνεται μια συνοπτική αναφορά στις κυριότερες μεθόδους απεικόνισης εγκεφάλου, όπως το ηλεκτροεγκεφαλογράφημα και την λειτουργική απεικόνιση Μαγνητικού Συντονισμού καθώς και στον συνδυασμό τους για πιο ικανοποιητικά αποτελέσματα. Το κεφάλαιο 3 αναφέρεται κυρίως σε θέματα σχετικά τα προκλητά δυναμικά, καθώς και την υποσυνείδητη αντίληψη. Στο κεφάλαιο 4 περιγράφεται η πειραματική διαδικασία και η μετρητική διάταξη που χρησιμοποιήθηκε καθώς και η παρουσίαση της επεξεργασίας των μετρήσεων μέσω του eeglab. Τέλος, στο κεφάλαιο 5 παρουσιάζονται τα αποτελέσματα της επεξεργασίας σε διαγράμματα προκλητών δυναμικών και φασματικής ισχύος καθώς επίσης και τα συμπεράσματα της εργασίας αυτής. The display of subliminal messages is the process of stimuli exposure below the threshold of awareness. Through this procedure the thoughts, feelings and actions of a human can be influenced. The subliminal perception occurs when information stored in the human mind without the receiver being consciously aware of it. The information reaching the brain is perceived by the subconscious part of the brain. The object of this diploma thesis is to assess the possible differences in electroencephalogram (EEG) and event - related potentials (ERPs) recordings during the presentation of visual subliminal stimuli compared to non – subliminal conditions. A protocol that examines how subliminal stimuli influence the decision making and the cerebral operation is used. In the first part of the thesis (chapters 1 and 2) there is a brief review of the main brain imaging methods such as EEG and fMRI as well as the combination of them. Chapter 3 reveals issues about event - related potentials and mostly about subliminal perception. In chapter 4, the experiment and the measuring devices used are described, and there is also a presentation of the analysis by using the eeglab. Finally, chapter 5 includes the results of analysis on event - related potential and spectral power graphs, as well as the conclusions of this work.

Published
2012

8. Behavioral and Electrophysiological Correlates of Memory Binding Deficits in Patients at Different Risk Levels for Alzheimer's Disease

Author

Sandra Baez, Agustín Ibáñez, Pablo Richly, Marcos Luis Pietto, Natalia Trujillo, Facundo Manes, Mario A. Parra, Facundo Flores, Adolfo M. García, Julián Bustin, and Francisco Lopera

Subjects
MILD COGNITIVE IMPAIRMENT, Disease, Neuropsychological Tests, Electroencephalography, Psicología especial, 0302 clinical medicine, EVENT RELATED POTENTIALS (ERPS), Evoked Potentials, medicine.diagnostic_test, General Neuroscience, MEMORY BINDING, 05 social sciences, Brain, General Medicine, Psychiatry and Mental health, Clinical Psychology, Memory, Short-Term, Pattern Recognition, Visual, Biomarker (medicine), Psychology, Color Perception, FAMILIAL ALZHEIMER'S DISEASE, Cognitive psychology, Risk, SHORT-TERM MEMORY, Heterozygote, Prodromal Symptoms, Short-term memory, ELECTROENCEPHALOGRAM (EEG), behavioral disciplines and activities, 050105 experimental psychology, CIENCIAS SOCIALES, 03 medical and health sciences, Alzheimer Disease, Event-related potential, mental disorders, Presenilin-1, medicine, Humans, Cognitive Dysfunction, Genetic Predisposition to Disease, 0501 psychology and cognitive sciences, In patient, Aged, Memory Disorders, Neural correlates of consciousness, Psicología, Electrophysiology, RC0321, Geriatrics and Gerontology, Neuroscience, 030217 neurology & neurosurgery
Abstract

Deficits in visual short-term memory (VSTM) binding have been proposed as an early and specific marker for Alzheimer?s disease (AD). However, no studies have explored the neural correlates of this domain in clinical categories involving different risk levels of conversion to AD. To bridge such a gap, we assessed underlying electrophysiological modulations in patients with mild cognitive impairment (MCI), patients in the MCI stages of familial AD carrying the mutation E280A of the presenilin-1 gene (MCI-FAD), and healthy controls. Moreover, we compared the behavioral performance of both patient groups. Participants completed a change-detection VSTM task assessing recognition of changes between shapes or shape-color bindings, presented in two consecutive arrays (i.e., study and test). Changes always occurred in the test array and consisted of new features replacing studied features (shape only) or features swapping across items (shape-color binding). Both MCI and MCI-FAD patients performed worse than controls in the shape-color binding condition. Moreover, multi-domain MCI patients were outperformed by pure amnestic and non-amnestic MCI patients. Early electrophysiological activity (100-250 ms) was significantly reduced in both clinical groups, particularly over fronto-central and parieto-occipital regions. However, shape-color binding performance was similar between MCI and MCI-FAD. Our results support the validity of the VSTM binding test in the early detection of AD and highlight the importance of studies comparing samples at different risk for AD conversion. Fil: Pietto, Marcos Luis. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Neurociencia Cognitiva. Fundación Favaloro. Instituto de Neurociencia Cognitiva; Argentina. Universidad Favaloro; Argentina Fil: Parra, Mario A.. Universidad Autonoma del Caribe; Colombia. University of Edinburgh; Reino Unido. Heriot-Watt University; Reino Unido Fil: Trujillo, Natalia. Universidad de Antioquia; Colombia Fil: Flores, Facundo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Neurociencia Cognitiva. Fundación Favaloro. Instituto de Neurociencia Cognitiva; Argentina. Universidad Favaloro; Argentina Fil: García, Adolfo Martín. Universidad Nacional de Cuyo; Argentina. Universidad Favaloro; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Neurociencia Cognitiva. Fundación Favaloro. Instituto de Neurociencia Cognitiva; Argentina Fil: Bustin, Julian. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Neurociencia Cognitiva. Fundación Favaloro. Instituto de Neurociencia Cognitiva; Argentina. Universidad Favaloro; Argentina Fil: Richly, Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Neurociencia Cognitiva. Fundación Favaloro. Instituto de Neurociencia Cognitiva; Argentina. Universidad Favaloro; Argentina Fil: Manes, Facundo Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Neurociencia Cognitiva. Fundación Favaloro. Instituto de Neurociencia Cognitiva; Argentina. Macquarie University.; Australia. Universidad Favaloro; Argentina Fil: Lopera, Francisco. Universidad de Antioquia; Colombia Fil: Ibáñez, Santiago Agustín. Macquarie University.; Australia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Neurociencia Cognitiva. Fundación Favaloro. Instituto de Neurociencia Cognitiva; Argentina. Universidad Autonoma del Caribe; Colombia. Universidad Favaloro; Argentina. Universidad Adolfo Ibanez; Chile Fil: Báez Buitrago, Sandra Jimena. Universidad Favaloro; Argentina. Grupo de Investigación Cerebro y Cognición Social; Colombia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Neurociencia Cognitiva. Fundación Favaloro. Instituto de Neurociencia Cognitiva; Argentina

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