Interference in visual perception by verbal and spatial cognitive activity

  1. Pérez Moreno, Elisa 1
  2. Conchillo Jiménez, Ángela 1
  3. Recarte Goldaracena, Miguel Ángel 1
  1. 1 Universidad Complutense de Madrid
    info

    Universidad Complutense de Madrid

    Madrid, España

    ROR 02p0gd045

Revista:
The Spanish Journal of Psychology

ISSN: 1138-7416

Ano de publicación: 2011

Volume: 14

Número: 2

Páxinas: 556-568

Tipo: Artigo

DOI: 10.5209/REV_SJOP.2011.V14.N2.4 DIALNET GOOGLE SCHOLAR lock_openAcceso aberto editor

Outras publicacións en: The Spanish Journal of Psychology

Obxectivos de Desenvolvemento Sustentable

Resumo

Mediante dos experimentos hemos puesto a prueba la hipótesis de que el procesamiento cognitivo basado en imaginería espacial produce más deterioro en la percepción visual que el procesamiento basado en códigos verbales. Hemos estudiado el efecto de dos tareas cognitivas, una de imaginería espacial y otra verbal, sobre la percepción visual. En el primer experimento, con 30 participantes, analizamos la carga mental y el comportamiento ocular en ambas tareas cognitivas. En el segundo experimento, con 29 participantes, estudiamos el efecto de ambas tareas sobre una tarea de búsqueda visual, usando el paradigma experimental de doble tarea. La tarea verbal presentó mayor carga mental que la de imaginería espacial cuando ambas tareas se realizaron junto con la tarea de búsqueda visual y hubo un mayor deterioro en la detección de estímulos con la tarea verbal. Concluimos que (1) las tareas cognitivas producen un importante deterioro en capacidades de búsqueda visual e identificación de estímulos visuales; (2) este deterioro tiene dos componentes: (a) búsqueda ineficiente, asociada con alteraciones del patrón de mirada mientras se desarrollan tareas cognitivas, y (b) interferencia general, no específica de códigos espaciales, en el proceso de identificación de estímulos mirados; (3) esta interferencia cognitiva está relacionada con la carga mental o esfuerzo requerido por tareas cognitivas.

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Información de financiamento

This study is part of a project funded by the Spanish Ministerio de Educación y Ciencia, reference number SEJ2007-63495.

Financiadores

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Fonte de datos: Dialnet