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Articles 1 - 10 of 10
Full-Text Articles in Life Sciences
Brain Activity And Medical Diagnosis: An Eeg Study, Laila M. Ribas, Fábio T. Rocha, Neli R. Ortega, Armando F. Rocha, Eduardo Massad
Brain Activity And Medical Diagnosis: An Eeg Study, Laila M. Ribas, Fábio T. Rocha, Neli R. Ortega, Armando F. Rocha, Eduardo Massad
Armando F Rocha
Despite new brain imaging techniques that have improved the study of the underlying processes of human decision-making, to the best of our knowledge, there have been very few studies that have attempted to investigate brain activity during medical diagnostic processing.The main purpose of this paper was to investigate brain electroencephalography (EEG) activity associated with diagnostic decision-making in the realm of veterinary medicine using X-rays as a fundamental auxiliary test. The principal component analysis revealed four patterns that accounted for 85% of the total variance in the EEG activity recorded while veterinary doctors read a clinical history, examined an X-ray image …
What We Learn About Global Systemic Risk With Neurosciences, Armando F. Rocha
What We Learn About Global Systemic Risk With Neurosciences, Armando F. Rocha
Armando F Rocha
Financial market crises are frequent events that trigger large financial losses and represent important global systemic risk (GSR). GSR forecasting is, therefore, a necessity to avoid the collapse of the global financial market. Understanding GSR dynamics is imperative if GSR is to be forecasted and controlled. Traditional finance theories have developed many tools for risk management that proved to be unreliable in the case of the 2008 Crisis. Recent results on financial decision-making provided by Neurosciences have being used to model the stock market dynamics. This approach is used, here, to model stock price evolution in 20 bourses during the …
A Neuromarketing Study Of Consumer Satisfaction, Armando F. Rocha, Fábio T. Rocha, Lucia H. Arruda
A Neuromarketing Study Of Consumer Satisfaction, Armando F. Rocha, Fábio T. Rocha, Lucia H. Arruda
Armando F Rocha
The interest of marketing science in using neuroscience techniques to understand the consumer’s thought processes, dates back to the 1970s, when EEG data were recorded while subjects were watching TV commercials. Recently, fMRI was used to study the neural correlates of culturally based brands and neural predictors of purchases. These studies have discovered important properties of the neural circuits that are associated with consumer decision-making process and satisfaction. Here, EEG brain mapping was used to study the dynamics of the brain activity associated with these processes. The present study validated the EEG technology as an adequate neuromarketing tool and shows …
Gun Control: What Goes On In Your Brain, Armando F. Rocha, Fabio T. Rocha, Eduardo Massad
Gun Control: What Goes On In Your Brain, Armando F. Rocha, Fabio T. Rocha, Eduardo Massad
Armando F Rocha
Arguments for and against gun control are polarized at two opposite ends of a broad spectrum: personal liberties and social benefits. Brazil has introduced a referendum regarding the prohibition of firearm commerce and propaganda arguments, similar to the present ongoing discussion in the U.S. It has invoked socially and personally driven issues in the promotion of voting in favor of and against firearm control, respectively. Here, we used electroencephalography (EEG) technology to study the brain activity associated with a voter’s perception one week prior to Election Day, of the truthfulness of these arguments and their influence on voting decisions. The …
Brain Activity Follow Up Of Stock Market Financial Variables, Armando F. Rocha, João Vieito, Fábio T. Rocha
Brain Activity Follow Up Of Stock Market Financial Variables, Armando F. Rocha, João Vieito, Fábio T. Rocha
Armando F Rocha
Efficiency Market hypothesis assume that all investors reason in the same way to make their financial decisions. In contrast, Neurosciences have provided strong evidences that cognitive diversity is the hallmark of human intelligence. Neurofinances has shown that volunteers learned different profitable financial decision-making strategies depending on the kind of market they begun to trade. Here, we decide to further explore this hypothesis by studying a possible correlation between brain activity and the financial variables in a stock market game and to test if this correlation differ between experimental groups that trade in different market conditions. Present results show that volunteers …
Free Will From The Neuroscience Point Of View, Armando F. Rocha, Fábio T. Rocha
Free Will From The Neuroscience Point Of View, Armando F. Rocha, Fábio T. Rocha
Armando F Rocha
There is still a controversy if human volitions and actions are governed by causal laws or obeys free will. Neurosciences start to study the neural correlates of free will by investigating how brains make decisions. Here, some of questions about free will are discussed from the neurosciences point of view taking into consideration a neuroeconomic model of decision making. This model is used here with the purpose of providing very formal definitions of key concepts raised in any free will discussion such as goals, necessity, motivation, etc., and to provide a formal background for discussing decision making. One of the …
The Brain As A Distributed Intelligent Processing System: An Eeg Study., Armando F. Rocha, Fábio T. Rocha, Eduardo Massad
The Brain As A Distributed Intelligent Processing System: An Eeg Study., Armando F. Rocha, Fábio T. Rocha, Eduardo Massad
Armando F Rocha
arious neuroimaging studies, both structural and functional, have provided support for the proposal that a distributed brain network is likely to be the neural basis of intelligence. The theory of Distributed Intelligent Processing Systems (DIPS), first developed in the field of Artificial Intelligence, was proposed to adequately model distributed neural intelligent processing. In addition, the neural efficiency hypothesis suggests that individuals with higher intelligence display more focused cortical activation during cognitive performance, resulting in lower total brain activation when compared with individuals who have lower intelligence. This may be understood as a property of the DIPS. In our study, a …
Neurosciences And Education: One Example Of A Two-Way Cooperation, Armando F. Rocha, Fábio T. Rocha
Neurosciences And Education: One Example Of A Two-Way Cooperation, Armando F. Rocha, Fábio T. Rocha
Armando F Rocha
The relationship between education and cognitive neuroscience is an old issue from which the idea of the ‘neuroeducators’ was proposed 25 years ago. The premise of this idea is that the knowledge about how the brain operates our learning could help teachers in the classrootm. Despite of being an old issue, there are yet some unsolved matters. Firstly, how neuroscience and education could integrate biological understanding about learning cerebral process has not been yet clearly discussed. The present paper presents the results from Enscer– Teaching the Brain Project – that has been developed in Brazil for five years. During that …
Brain Mappings Of The Arithmetic Processing In Children And Adults., Fábio T. Rocha, Armando F. Rocha, Eduardo Massad, Renee Menezes
Brain Mappings Of The Arithmetic Processing In Children And Adults., Fábio T. Rocha, Armando F. Rocha, Eduardo Massad, Renee Menezes
Armando F Rocha
Despite the increasing number of experimental mapping showing that human arithmetic cognition is supported by widely spread neural circuits; the theoretical reasoning about these data remains mostly metaphorical and guided by a connectionist approach. Although neurons at distinct areas in the brain are assumed to take charge of different duties in the solution of the experimental task, the results are always discussed by hypothesizing some association between the different areas without questioning any difference of behavior at the level of the neurons at each of these areas. Here, the brain is assumed as Distributed Intelligent Processing System (DIPS) formed by …
Language Plasticity Revealed By Electroencephalogram Mapping, Armando F. Rocha, Flávia B. Foz
Language Plasticity Revealed By Electroencephalogram Mapping, Armando F. Rocha, Flávia B. Foz
Armando F Rocha
Reasoning is the result of the computations made by intelligent systems, for instance those in the brain. It is not an abstract concept because calculations performed by computations are very concrete transactions among the different central processing unit components. Entropy measurements are proposed here to disclose the plasticity of the cerebral processing associated with language comprehension in video game playing. It is also assumed that entropy may be evaluated from the correlation coefficients obtained for the game event-related activity calculated for the different electroencephalogram derivations in the 10/20 system. The brain mapping derived from these entropy measurements clearly demonstrates the …