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Un proceso geométrico para la reorientación espacial en niños pequeños.

L Hermer1, E S Spelke

  • 1Department of Psychology, Cornell University, Ithaca, New York 14853.

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Resumen

Los adultos usan tanto la geometría ambiental como los puntos de referencia para la reorientación, a diferencia de los niños pequeños y las ratas que confían únicamente en la geometría. Esto pone de relieve los cambios de desarrollo en las estrategias de navegación espacial.

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Área de la Ciencia:

  • Psicología cognitiva psicología cognitiva.
  • Psicología del desarrollo psicología del desarrollo.
  • La neurociencia es la neurociencia.

Sus antecedentes:

  • Las ratas y los primates no humanos utilizan la geometría ambiental para reorientarse.
  • Esta reorientación basada en la geometría en ratas no se ve afectada por señales no geométricas como el color o el olor.
  • Investigaciones anteriores sugieren una dependencia de la información geométrica para las tareas espaciales.

Objetivo del estudio:

  • Para investigar si los adultos humanos, al igual que las ratas, dependen únicamente de la información geométrica para la reorientación.
  • Para comparar las estrategias de reorientación de adultos y niños pequeños.
  • Comprender la trayectoria del desarrollo de la reorientación espacial en los seres humanos.

Principales métodos:

  • Se administró una tarea de reorientación a humanos adultos y niños pequeños.
  • Se manipuló la geometría ambiental y las características no geométricas (por ejemplo, colores, olores).
  • El rendimiento se evaluó en función del uso de información geométrica versus no geométrica.

Principales resultados:

  • Los adultos utilizaron información ambiental tanto geométrica como no geométrica para la reorientación.
  • Los niños pequeños, al igual que las ratas maduras, utilizaban exclusivamente información geométrica.
  • Las señales no geométricas, incluso cuando se presentan de nuevo, no ayudaron a la reorientación de los niños pequeños.

Conclusiones:

  • La reorientación humana se alinea con la geometría ambiental.
  • La reorientación espacial de los niños pequeños se limita a señales geométricas, independientemente de la información no geométrica disponible.
  • La capacidad de integrar información geométrica y no geométrica se desarrolla durante la maduración humana.