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Results: The Interplay Between Internal and External Memory

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Memory and Technology

Abstract

In this chapter we finish reporting the results of our comprehensive survey study on the interplay of internal and external memory in everyday life and how that is changing in the early twenty-first century (N = 476 Mechanical Turk participants). We report on the themes that emerged from the qualitative data on the interplay between internal and external memory, and we also report correlational analyses. Participants’ responses indicated that internal memory is used more than external memory for episodic and procedural purposes, and its strengths are in rich vivid recollection, phenomenology, personal relevance, creativity, and security; external memory is used more than internal memory for semantic and prospective purposes, and its strengths are in accuracy, precision, fidelity, longevity, and capacity. The overall picture is of a growing symbiosis between internal and external memory; the two complement and depend on each other.

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Notes

  1. 1.

    Remembering faces was coded as both episodic and semantic, because recognizing someone’s face could involve memory for a specific episode (e.g., someone you only just met yesterday) and/or more generalized memory (e.g., a colleague you see nearly every day). We thank Hal Pashler, Roddy Roediger, Sharda Umanath, and Carolina Kuepper-Tetzel for their thoughtful comments on this point.

  2. 2.

    Shopping/grocery and to-do lists were coded as both semantic and prospective, because such lists comprise knowledge not tied to a specific past episode, and they indicate tasks to be performed in the future. Unspecified types of lists were coded as just semantic. Note that list-learning in laboratory memory studies is considered an episodic task; however we consider the use of lists in everyday life as semantic and/or prospective, not episodic. For a sociological consideration of recipes as external memory, see Goody (1977, pp. 129–145).

  3. 3.

    In contrast, Schryer and Ross (2013) found no correlation between self-reported memory errors as measured by the Everyday Memory Questionnaire and use of external memory aids as measured by the Memory Compensation Questionnaire, for either younger or older adults (E. Schryer, personal communication, August 7, 2014).

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Finley, J.R., Naaz, F., Goh, F.W. (2018). Results: The Interplay Between Internal and External Memory. In: Memory and Technology. Springer, Cham. https://doi.org/10.1007/978-3-319-99169-6_4

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