The physical world & executive functions - Hidden objects

6 important questions on The physical world & executive functions - Hidden objects

Experiment Hidden objects - Jean Piaget

He showed children below certain age don't have object permanence
-> A not B error

Plunkett & Harris elaborated a computational model that incorporated the basic architectural constraints - Hypothesis:

Object-directed action toward hidden object requires a degree of interaction between the 2 pathways, thus discrepancy between looking and reaching due to a relative lack of integration between the 2 pathways

"Dual route" processing model

  • Object recognition route (ventral)
  • Trajectory prediction route (dorsal)
  • (integration of the internal representations)
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Object recognition route

  • Ventral pathway
  • spatially invariant representation of the object

Trajectory prediction route

  • Dorsal pathway
  • learns to predict the next "retinal' position of the object

Response integration network

It integrates the internal representations generated by the 2 pathways as required by a retrieval response task

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