Diferencias en potenciales evocados de larga latencia y respuesta motriz en sujetos con alto y bajo CI

• Autores: M. García de León Álvarez, Eduardo Martínez Castillo, Tomás Ortiz Alonso, José Ignacio Robles Sánchez, Fernando Maestro, Alberto Fernández Lucas
• Localización: Psicothema, ISSN-e 1886-144X, ISSN 0214-9915, Vol. 11, Nº. 1, 1999, págs. 53-63
• Idioma: español
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• Resumen

  • Esta investigación trata de demostrar la relación entre componentes de los potenciales evocados, respuesta motriz y medidas de inteligencia (CI). Los veinte sujetos participantes son divididos en dos grupos: Cl mayor de 110, y CI menor de 84. Se registraron los potenciales evocados de larga latencia (PELLs) en línea media, al mismo tiempo que los tiempos de reacción (TR) y respuestas electromiográficas (EMG). Los resultados muestran correlaciones entre las latencias negativas de los PELLs con el final del movimiento y el intervalo de movimiento, siendo éste mayor en el grupo con bajo CI. Las amplitudes de los potenciales evocados en el grupo con bajo CI, en respuesta al estímulo sin respuesta motriz, son mayores que las amplitudes en el grupo de alta CI. Estos resultados sugieren una asociación entre la inteligencia con componentes negativos de los potenciales evocados y el tiempo de respuesta motriz.

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