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. 2019 Dec 12;14(12):e0226297.
doi: 10.1371/journal.pone.0226297. eCollection 2019.

Absence of posture-dependent and posture-congruent memory effects on the recall of action sentences

Antonio M Díez-Álamo  1   2 , Emiliano Díez  1   2 , María A Alonso  2   3   4 , Angel Fernandez  1   2
Affiliations

Absence of posture-dependent and posture-congruent memory effects on the recall of action sentences

Antonio M Díez-Álamo et al. PLoS One. .

Abstract

In two experiments with large samples of participants, we explored contextual memory effects associated with body posture, which was considered a physical and proprioceptive context and, therefore, potentially relevant to the encoding and retrieval of information. In Experiment 1 (N = 128), we studied the effect of context dependence on memory by manipulating the body posture adopted by the participants during the incidental encoding and subsequent recall of a series of action sentences not intrinsically associated with particular body postures (e.g., "to put on a pair of glasses", "to look at a postcard"). Memory performance was not affected by context manipulation, as reflected by the absence of significant differences between remembering while in the posture adopted at study or in a different posture. Experiment 2 (N = 85) was designed to analyze context congruency memory effects, and for that purpose we manipulated the participants' body posture during the recall of sentences that described actions usually performed in body postures that were congruent or incongruent with the posture of the participants (e.g., recalling the sentence "to travel by taxi" while sitting or while standing). A content-neutral posture (lying) was used for the incidental encoding phase. Memory performance was not affected by contextual congruency at the time of recall, as evidenced by the lack of significant differences between recalling in a posture congruent with the content to be recalled and recalling in an alternative posture. Bayesian analyses supported the strength of null findings in the two experiments, adding to the evidence that, when taken together, the results in this study clearly failed to show contextual memory effects of body posture on the recall of action-related verbal statements.

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Conflict of interest statement

The authors have declared that no competing interests exist.

Figures

Fig 1
Fig 1. Proportion of correctly recalled sentences (literal scoring) as a function of sentence type and body posture at retrieval.
Error bars represent a 95% confidence interval (CI).
See this image and copyright information in PMC

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