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Genomic signal processing for DNA sequence clustering

Gerardo Mendizabal-Ruiz, Israel Román-Godínez, Sulema Torres-Ramos, Ricardo A. Salido-Ruiz, Hugo Vélez-Pérez, J. Alejandro Morales
2018 PeerJ  
We also propose a visualization method that facilitates the easy inspection and analysis of the results and possible hidden behaviors.  ...  In this paper, we propose a novel approach for performing cluster analysis of DNA sequences that is based on the use of GSP methods and the K-means algorithm.  ...  Mendizabal-Ruiz et al. (2018), PeerJ, DOI 10.7717/peerj.4264 3/21 Mendizabal-Ruiz et al. (2018), PeerJ, DOI 10.7717/peerj.4264 Mendizabal-Ruiz et al. (2018), PeerJ, DOI 10.7717/peerj.4264 5/21  ... 
doi:10.7717/peerj.4264 pmid:29379686 pmcid:PMC5786891 fatcat:bggv5nviszahrbchp46k4ygtpm

On DNA numerical representations for genomic similarity computation

Gerardo Mendizabal-Ruiz, Israel Román-Godínez, Sulema Torres-Ramos, Ricardo A. Salido-Ruiz, J. Alejandro Morales, Christos A. Ouzounis
2017 PLoS ONE  
GSP methods require the transformation or mapping of the genomic data to a numeric representation.  ...  The objective of this paper is to evaluate the behavior of each representation when used to measure the similarity of a given pair of DNA sequences.  ...  Mendizabal-Ruiz G, Román-Godínez I, Torres-Ramos S, Salido-Ruiz RA, Morales JA (2017) On DNA numerical representations for genomic similarity computation.  ... 
doi:10.1371/journal.pone.0173288 pmid:28323839 pmcid:PMC5360225 fatcat:26eiu62ex5d5fkdl7ehf52wq34

EEG Montage Analysis in Blind Source Separation

Ricardo A. Salido-Ruiz, Radu Ranta, Valérie Louis-Dorr
2009 IFAC Proceedings Volumes  
ECG, EEG, EMG) is to find a region in the human body whose bio-potential activity can be considered as neutral as possible i.e., a quasi-inactive reference place.  ...  In fact, a major problem in electrophysiological recording systems (e.g.  ...  A.  ... 
doi:10.3182/20090812-3-dk-2006.0084 fatcat:cyejqlxfcfhmbdklrwcmw76m4q

Vibrotactile Discrimination Training Affects Brain Connectivity in Profoundly Deaf Individuals

Andrés A. González-Garrido, Vanessa D. Ruiz-Stovel, Fabiola R. Gómez-Velázquez, Hugo Vélez-Pérez, Rebeca Romo-Vázquez, Ricardo A. Salido-Ruiz, Aurora Espinoza-Valdez, Luis R. Campos
2017 Frontiers in Human Neuroscience  
Vibrotactile stimulation is a sensory substitution method that allows perception and discrimination of sound, and even speech.  ...  However, a P3 with larger scalp distribution over parietal cortical areas and lateralized to the right was observed in the profoundly deaf.  ...  The vibrotactile oddball paradigm consisted of a train of 150 randomly presented stimuli, with a duration of 200 ms (ISI: 1500 ms) and a 20:80 rare stimulus frequency.  ... 
doi:10.3389/fnhum.2017.00028 pmid:28220063 pmcid:PMC5292439 fatcat:xy2x43b4andnbg67kgr7elhqo4

EEG montage analysis in the Blind Source Separation framework

Ricardo A. Salido Ruiz, Radu Ranta, Valerie Louis-Dorr
2011 Biomedical Signal Processing and Control  
ECG, EEG, EMG) is to find a region in the human body whose bio-potential activity can be considered as neutral as possible i.e., a quasiinactive reference place.  ...  In fact, a major problem in electrophysiological recording systems (e.g.  ...  s + n ABLM (26) and the elements of rows i = 1...M − 1 of A ABLM are: a ABLM i,j = (a i,j − a i+1,j ) (27) We can also rewrite equation (26) in a matrix representation as follows: x ABLM = T ABLM (A CRM  ... 
doi:10.1016/j.bspc.2010.06.007 fatcat:4rgcfdaufrfvhexr5kymbt5yba

Evaluation of Feature Selection Methods for Classification of Epileptic Seizure EEG Signals

Sergio E. Sánchez-Hernández, Ricardo A. Salido-Ruiz, Sulema Torres-Ramos, Israel Román-Godínez
2022 Sensors  
Epilepsy is a disease that decreases the quality of life of patients; it is also among the most common neurological diseases.  ...  A large diversity of features has been extracted from electroencephalograms to perform classification tasks; therefore, it is important to use feature selection methods to select those that leverage pattern  ...  form of a vector or a matrix.  ... 
doi:10.3390/s22083066 pmid:35459052 pmcid:PMC9031940 fatcat:miqgthu7cbhytgijysbgr4dkku

Numerical Comparisons and Sex-Related Brain Connectivity

Fabiola R. Gómez-Velázquez, Andrés A. González-Garrido, Ricardo A. Salido-Ruiz, Sulema Torres-Ramos, Aurora Espinoza-Valdez, Israel Román-Godínez, Erwin R. Villuendas-González
2021 International Journal of Psychological Studies  
Therefore, a group of school children with ages from 8 to 11 years old was evaluated during a number comparison task.  ...  We aimed to compare the influence of sex in functional brain connectivity and behavioral measures in a numerical comparison task.  ...  A sampling frequency of 200 Hz and a 0.05-30 Hz bandpass filter were used for obtaining EEG and EOG signals in a MEDICID-04 system (Neuronic Systems, Inc.).  ... 
doi:10.5539/ijps.v13n2p62 fatcat:7ox3fbllrncjtcl2ak5gnf7nve

Effect of Auditory Discrimination Therapy on Attentional Processes of Tinnitus Patients

Ingrid G. Rodríguez-León, Luz María Alonso-Valerdi, Ricardo A. Salido-Ruiz, Israel Román-Godínez, David I. Ibarra-Zarate, Sulema Torres-Ramos
2022 Sensors  
Tinnitus is an auditory condition that causes humans to hear a sound anytime, anywhere. Chronic and refractory tinnitus is caused by an over synchronization of neurons.  ...  Second, the deep representations of the scalograms were extracted using a previously trained Convolutional Neural Network (CNN) architecture (MobileNet v2).  ...  , had a negative effect.  ... 
doi:10.3390/s22030937 pmid:35161683 pmcid:PMC8839781 fatcat:5ux3aw4o2ffm7jhlc5ijsm5r4m

Dataset on the EEG time-frequency representation in children with different levels of mathematical achievement

Andrés A. González-Garrido, Fabiola R. Gómez-Velázquez, Rebeca Romo-Vázquez, Hugo Vélez-Pérez, Ricardo A. Salido-Ruiz, Aurora Espinoza-Valdez, Geisa B. Gallardo-Moreno, Vanessa D. Ruiz-Stovel, Alicia Martínez-Ramos
2018 Data in Brief  
LA) while performing a symbolic magnitude comparison task.  ...  The average brain patterns are shown through Time-Frequency Representations (TFR) for each group, and also grand-mean amplitudes within specific EEG epochs in a 19-electrode array are provided.  ...  Data accessibility Data is with this article Related research article González-Garrido, A.A., Gómez-Velázquez, F.R., Salido-Ruiz, R.A., Espinoza-Valdez, A., Vélez-Pérez, H., Romo-Vazquez, R., Gallardo  ... 
doi:10.1016/j.dib.2018.10.105 pmid:30450402 pmcid:PMC6226595 fatcat:qer672kwenb6detxifjxn5ldwa

Automatic estimation of continuous elbow flexion–extension movement based on electromyographic and electroencephalographic signals

Valeria del C. Silva-Acosta, Israel Román-Godínez, Sulema Torres-Ramos, Ricardo A. Salido-Ruiz
2021 Biomedical Signal Processing and Control  
A new methodology is proposed for estimating elbow angles based on EMG and EEG biosignals.  ...  Employing EEG signals generated an RMSE = 9.27 • ±1.85 • and R 2 = 0.95 with a 95% CI (0.94-0.95).  ...  Ricardo A. Salido-Ruiz: Table 1 1 depicts the angular displacement expected with the estimated EMG, EEG, and EMG/EEG values.  ... 
doi:10.1016/j.bspc.2021.102950 fatcat:77aj5ri6xbgbnmo6yb2yrt7kc4

A brain connectivity characterization of children with different levels of mathematical achievement based on graph metrics

Sulema Torres-Ramos, Ricardo A. Salido-Ruiz, Aurora Espinoza-Valdez, Fabiola R. Gómez-Velázquez, Andrés A. González-Garrido, Israel Román-Godínez, Constantine Dovrolis
2020 PLoS ONE  
The present work introduces an alternative EEG signal characterization using graph metrics and, based on such features, a classification analysis using a decision tree model.  ...  The use of a decision tree tool during the classification stage allows the identification of several brain areas that seem to be more specialized in numerical processing.  ...  Author Contributions Conceptualization: Sulema Torres-Ramos, Ricardo A. Salido-Ruiz, Aurora Espinoza-Valdez, Fabiola R. Gómez-Velázquez, Andrés A. González-Garrido, Israel Román-Godínez.  ... 
doi:10.1371/journal.pone.0227613 pmid:31951604 pmcid:PMC6968862 fatcat:nopg34kbw5g7dc5g5s5xce6mqm

Potencial Eléctrico en el Corazón: Representación Mediante un Grafo Heart Electrical Potential: a Graph Representation

Natalia González-Cervantes, Aurora Espinoza-Valdez, Ricardo Salido-Ruiz
unpublished
Resumen: De acuerdo a la Organización Mundial de la Salud (OMS), las enfermedades cardiovasculares constituyen un problema de salud pública por su alta frecuencia, además de que son la principal causa  ...  asociado a una respuesta contráctil.  ...  a favor de su gradiente electroquímico.  ... 
fatcat:dryzavq7i5h5tp4rd5cns5sgrq

Potencial Eléctrico en el Corazón: Representación Mediante un Grafo Heart Electrical Potential: a Graph Representation

Natalia González-Cervantes, Aurora Espinoza-Valdez, Ricardo Salido-Ruiz
2016 unpublished
Resumen: De acuerdo a la Organización Mundial de la Salud (OMS), las enfermedades cardiovasculares constituyen un problema de salud pública por su alta frecuencia, además de que son la principal causa  ...  asociado a una respuesta contráctil.  ...  a favor de su gradiente electroquímico.  ... 
fatcat:i52nv5aeerdhvmdqyx3fmivjpa

La Enfermedad de Carrión: la teoría unicista y el aporte de los campesinos

David Salinas Flores
2015 Revista médica de Chile (Impresa)  
Entre ellos figuran los del cirujano Gago de Vadillo, de Martín Delgar, y el sabio Hipólito Unánue, pero no hicieron mención a la teoría unicista.En 1777, el botánico Hipólito Ruiz 2 fue enviado por el  ...  Ruíz documentó en sus escritos el conocimiento tradicional desarrollado en Canta, relacionado a las dos fases de la enfermedad de Carrión:"En algunas quebradas, la enfermedad llamada verrugas es común  ... 
doi:10.4067/s0034-98872015000400020 pmid:26204550 fatcat:y5xbjon2ezhilhj4rf2pbchmfe

Page 411 of National Union Catalog Vol. 27, Issue [page]

1963 National Union Catalog  
(Selecci Poes{a espafiola) Introduction signed: Ricardo Gull6n.  ...  Los meiores romances a lo debino que hasta aora an salido; primera parte. Sevilla, F. Aylan, 1629. 1Cieza, A. Pérez y G6mez, 1963) lv. (unpaged) facsim.  ... 
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