Stimulus similarity decreases spontaneous object recognition regardless of the retention interval in rats

  1. Rocío Angulo 1
  2. Naiara Arriola 2
  3. Gumersinda Alonso 2
  1. 1 Universidad Autónoma de Chile
    info

    Universidad Autónoma de Chile

    Temuco, Chile

    ROR https://ror.org/010r9dy59

  2. 2 Universidad del País Vasco, UPV/EHU
Revista:
Psicológica: Revista de metodología y psicología experimental

ISSN: 1576-8597

Año de publicación: 2017

Volumen: 38

Número: 2

Páginas: 195-208

Tipo: Artículo

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Otras publicaciones en: Psicológica: Revista de metodología y psicología experimental

Resumen

El objetivo del experimento fue comprobar en una tarea de reconocimiento espontáneo de objetos el efecto de la similitud de los estímulos y el intervalo de retención entre esta tarea y un ensayo previo de familiarización. 1 hora o 24 horas después de la familiarización con dos copias idénticas del mismo objeto, se midió la exploración de uno de estos objetos y otro nuevo registrando la duración y número de aproximaciones a cada objeto. En la tarea los estímulos difirieron ligeramente en su forma (condición de Discriminación Difícil) o marcadamente en forma y color (Condición de discriminación Fácil). Independientemente del intervalo de retención, la condición Fácil pero no la condición Difícil, prefirió explorar el objeto nuevo. Después del intervalo de 24 horas, la condición Fácil exploró el objeto nuevo más que la condición Difícil pero no difirieron en la exploración del estímulo familiar. Entonces, las ratas de la condición Difícil podrían haber recordado el estímulo familiar tan bien como las ratas de la condición Fácil pero fueron incapaces de distinguirlo del estímulo nuevo. Se discuten las implicaciones de esta posibilidad en la utilización de tareas de reconocimiento espontáneo de objetos para el estudio del aprendizaje perceptivo y la memoria.

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Fuente de los datos: Dialnet