Recognition memory for pictorial stimulibiasing effects of stimulus emotionality

  1. Fernández Rey, José
  2. Redondo Lago, Jaime Mauro
Revista:
Psicothema

ISSN: 0214-9915

Ano de publicación: 2007

Volume: 19

Número: 3

Páxinas: 375-380

Tipo: Artigo

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Outras publicacións en: Psicothema

Resumo

Memoria de reconocimiento para estímulos pictóricos: sesgos inducidos por la emocionalidad del estímulo. En la presente investigación se estudió la posibilidad de que la emocionalidad del estímulo, tanto en la dimensión de valencia como en la de arousal, pudiera afectar al sesgo de reconocimiento en una tarea de memoria a largo plazo. Para ello se emplearon 108 imágenes del IAPS (International Affective Picture System) representativas de todas las regiones del espacio afectivo bidimensional. Los análisis basados en la teoría de detección de señales, utilizando A' y BD como medidas de discriminación y sesgo, respectivamente, mostraron una mayor discriminación y un sesgo de respuesta más conservador para las imágenes agradables y las desactivadoras en comparación con las desagradables y las activadoras. Estos resultados proporcionan nueva evidencia con respecto al sesgo de reconocimiento inducido por la emoción en el rendimiento de memoria a largo plazo.

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