低年齢時の記憶はスナップショット化している : 記憶の断片化とスナップショット化の分化

概要

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This study examined snapshot and fragmentation phenomena. The snapshot phenomenon refers to an isolated memory in a context. On the other hand, the fragmentation phenomenon refers to the recall of piecemeal memories of events. Participants were asked to recall their earliest childhood memory and address 17 times relating to the characteristics of memory representation. Moreover, they were asked to report the age at which they experienced the event. As a result of the factor analysis of 17 times, the following four factors were obtained: snapshot, fragment, dynamic, and vivid. Participants were divided into the following three groups based on the age at which they experienced the event: young, middle-aged, and elderly. Analysis of variance showed that the snapshot scores in the young and middle-aged groups were higher than that in the elderly group. On the contrary, the other scores did not significantly differ among the three groups. These results showed that the earliest childhood memory is not fragmentary but isolates as the age at which they experienced the event was low.
2009-03-31