<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1028-9933</journal-id>
<journal-title><![CDATA[Revista Información Científica]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. inf. cient.]]></abbrev-journal-title>
<issn>1028-9933</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas Guantánamo]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1028-99332022000300005</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Corrección del efecto de desplazamiento angular horizontal de la cabeza en pruebas de estimulación visual en MATLAB]]></article-title>
<article-title xml:lang="en"><![CDATA[Correction of horizontal and angular head displacement effects by MATLAB visual stimulation tests]]></article-title>
<article-title xml:lang="pt"><![CDATA[Correção do efeito do deslocamento angular horizontal da cabeça em testes de estimulação visual no MATLAB]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Benítez-Fernández]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-Seisdedos]]></surname>
<given-names><![CDATA[Carlos Román]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Socarrás-Hernández]]></surname>
<given-names><![CDATA[Bárbaro Nicolás]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Oriente Facultad de Ingeniería en Telecomunicaciones, Informática y Biomédica ]]></institution>
<addr-line><![CDATA[ Santiago de Cuba]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Oriente Centro de Estudios de Neurociencias, Procesamiento de Imágenes y Señales ]]></institution>
<addr-line><![CDATA[ Santiago de Cuba]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>101</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1028-99332022000300005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1028-99332022000300005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1028-99332022000300005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  Las irregularidades en los movimientos oculares constituyen un indicador importante para diagnosticar determinadas enfermedades neurodegenerativas. La electrooculografía es la técnica más difundida para medir dichos movimientos oculares. Durante la realización de una prueba visual, el paciente puede realizar movimientos de cabeza indeseados que añaden perturbaciones a la señal electrooculográfica, modificando su morfología y, por tanto, alterando determinados parámetros diagnósticos.  Objetivo: Desarrollar un método para corregir el efecto del desplazamiento angular horizontal de la cabeza en la señal electrooculográfica.  Método: Se detalla un modelo matemático utilizado en la Universidad de Oriente desde marzo de 2021 a diciembre de 2021, para la implementación de la corrección en dos tipos de señales electrooculográficas artificiales con diferentes movimientos de cabeza horizontales.  Resultados: Se evalúo cualitativamente el comportamiento del método utilizado a través de su implementación en señales generadas artificialmente en MATLAB. Finalmente se caracterizaron los efectos de la corrección en los parámetros diagnósticos de la señal electrooculográfica.  Conclusiones: El método implementado demostró su validez para casos específicos, en el que se logra para dos tipos de señales eliminar los errores introducidos por el desplazamiento de la cabeza. La corrección mejora el error introducido en la amplitud de la señal electrooculográfica sin corregir y mantiene inalterables, a falta de un análisis más profundo, los demás parámetros diagnósticos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Eye movement disorders are an important indicator for the diagnosis of certain neurodegenerative diseases. Electrooculography is the most widespread technique for measuring such eye movements. During the performance of the eye test, patients may forge unwanted head movements that add disturbances to the electrooculographic signal, modifying its morphological characteristic and, therefore, changing certain diagnostic parameters.  Objective:  To develop a method for the correction of the effect of the horizontal and angular head displacement by the electrooculographic signal.  Method:  It is detailed the use of a mathematical model for the correction of two types of artificial electrooculographic signals with different horizontal head movements at the Universidad de Oriente, from March 2021 to December 2021.  Results:  The behavior of the method used was evaluated qualitatively through its implementation in the signals generated artificially in MATLAB. Finally, the correction effects on the diagnostic parameters of the electrooculographic signal were characterized.  Conclusions:  The implemented method proved its validity for specific cases, in which it is possible to eliminate the errors caused by head displacement in two types of signals. The correction minimizes the error introduced in the uncorrected electrooculographic signal amplitude and keeps unchanged the other diagnostic parameters in absence of further analyses.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[RESUMO  Introdução:  As irregularidades nos movimentos oculares são um importante indicador para diagnosticar certas doenças neurodegenerativas. A eletrooculografia é a técnica mais difundida para medir esses movimentos oculares. Durante um teste visual, o paciente pode realizar movimentos involuntários da cabeça que adicionam distúrbios ao sinal eletrooculográfico, modificando sua morfologia e, portanto, alterando alguns parâmetros diagnósticos.  Objetivo:  Desenvolver um método para corrigir o efeito do deslocamento angular horizontal da cabeça no sinal eletrooculográfico.  Método:  Um modelo matemático usado na Universidade de Oriente de março de 2021 a dezembro de 2021 é detalhado para a implementação da correção em dois tipos de sinais eletrooculográficos artificiais com diferentes movimentos horizontais da cabeça.  Resultados:  O comportamento do método utilizado foi avaliado qualitativamente através de sua implementação em sinais gerados artificialmente no MATLAB. Por fim, foram caracterizados os efeitos da correção sobre os parâmetros diagnósticos do sinal eletrooculográfico.  Conclusões:  O método implementado demonstrou sua validade para casos específicos, nos quais é possível eliminar os erros introduzidos pelo deslocamento da cabeça para dois tipos de sinais. A correção melhora o erro introduzido na amplitude do sinal eletrooculográfico não corrigido e mantém os demais parâmetros diagnósticos inalterados, na ausência de uma análise mais profunda.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[electrooculografía]]></kwd>
<kwd lng="es"><![CDATA[movimiento de cabeza]]></kwd>
<kwd lng="es"><![CDATA[corrección]]></kwd>
<kwd lng="es"><![CDATA[MATLAB]]></kwd>
<kwd lng="en"><![CDATA[electrooculography]]></kwd>
<kwd lng="en"><![CDATA[head movement]]></kwd>
<kwd lng="en"><![CDATA[correction]]></kwd>
<kwd lng="en"><![CDATA[MATLAB]]></kwd>
<kwd lng="pt"><![CDATA[eletrooculografia]]></kwd>
<kwd lng="pt"><![CDATA[movimentos da cabeça]]></kwd>
<kwd lng="pt"><![CDATA[correção]]></kwd>
<kwd lng="pt"><![CDATA[MATLAB]]></kwd>
</kwd-group>
</article-meta>
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