La actividad electroencefalográfica asociada a la relación carga cognitiva, estrés y reconocimiento de emociones en un grupo focal de profesores universitarios de ciencias experimentales
DOI:
https://doi.org/10.1344/joned.v5i2.46837Palabras clave:
Carga cognitiva, Electroencefalografía, Enseñanza de las ciencias, Estrés, Funciones ejecutivas, Reconocimiento de emocionesResumen
Este artículo presenta el registro y análisis de la actividad eléctrica de señales EEG en situaciones de carga cognitiva, estrés y reconocimiento de emociones como parte de una investigación doctoral que se llevó a cabo con un grupo focal de profesores universitarios de ciencias experimentales colombianos. Uno de los propósitos del estudio fue analizar los cambios fisiológicos de la actividad eléctrica del cerebro debido a las actividades de enseñanza que implican la carga cognitiva, el estrés y el reconocimiento de las emociones que desencadena este proceso para el grupo de profesores. Para la adquisición de los ritmos de las señales EEG se utilizó el dispositivo Emotiv EPOC+ y un grupo de pruebas psicométricas adaptadas para inducir señales en relación con labores asociadas al ejercicio docente, como son la atención y la memoria. Se utilizó la densidad de potencia espectral como función matemática y las señales con PSD, entropía de permutación y entropía aproximada y se realizó una clasificación con k-NN vecinos más cercanos. Se concluye que hubo un predominio de ritmos theta-alfa en la mayoría de los docentes del estudio, además se identificaron actividades de atención, memoria de trabajo y otras funciones ejecutivas con un rendimiento del 75.1 ± 3.05% con el clasificador y, finalmente, se reconocen emociones mixtas, algunas predictoras de estrés laboral como fueron ansiedad y tensión que inciden en el ejercicio docente y en el desarrollo profesional.
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Derechos de autor 2025 Carolina María González Velásquez, Bartolomé Vázquez Bernal, María Ángeles De las Heras Pérez, Johnatan Alexander Mena Salcedo, Mateo Osorio Higuita, Juan Pablo Murillo Escobar
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