Resumo

LUNA, David; MANZANARES-SILVA, Moisés; RODRIGUEZ-GONZALEZ, Katia  e  LOPEZ-CRUZ, Héctor. Long-term spatial memory in humans trained in a virtual maze. Act.Colom.Psicol. [online]. 2018, vol.21, n.1, pp.70-94. ISSN 0123-9155.  https://doi.org/10.14718/acp.2018.21.1.4.

In this study we evaluated the long-term spatial memory in humans. A quasiexperimental design was used in which three groups of undergraduate students were trained in a virtual water maze to locate a hidden platform whose location was indicated by a set of cues. A pre-test without platform was performed prior to the training, and a post-test was conducted immediately after this (Group 0h), or after a retention interval of two (Group 48h) or seven days (Group 168h). For the pre-test, there was no evidence of preference for any area of the maze. Throughout the training trials, the time to find the goal decreased without differences between groups. During the post-test, all groups showed a preference for the reinforced quadrant, although the spent time, swimming distance, and accuracy of the search behavior in that area was equivalent between Group 0 h and Group 48 h, but higher than that shown by the Group 168 h. These data indicate changes in long-term spatial memory in humans, occurring after an interval of 48 h after its acquisition. The results are discussed on the basis of general memory processes and specific processes proposed by particular spatial memory theories. The clinical and comparative psychology implications are also addressed.

Palavras-chave : Virtual water maze; retention; spontaneous forgetting; spatial memory.

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