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The Flexibility of Working Memory in Drawing on Episodic Long-Term Memory Representations in Serial Recall Cover

The Flexibility of Working Memory in Drawing on Episodic Long-Term Memory Representations in Serial Recall

Open Access
|Jul 2025

Figures & Tables

joc-8-1-451-g1.png
Figure 1

Events representing the Procedure of Experiment 1. Panel A: LTM learning Phase. Panel B: WM encoding Phase; three different Conditions from Left to Right: (a) LTM Word Pair (b) LTM Singletons from different Word Pairs (c) New Words. Panel C: WM testing Phase: Typed Recall

Note. Doted frames represent the LTM words.

joc-8-1-451-g2.png
Figure 2

Proportion of immediate Recall Performance as a Function of Condition. Panel A: Overall Performance. Panel B: Performance for LTM and new Words for LTM conditions.

joc-8-1-451-g3.png
Figure 3

Experiment 1. Panel A: Serial Position Curves depending on the Serial Positions in which the LTM words were introduced within the List. Panel B: Performance of Words at the Serial positions of interest (LTM Words in the word pairs and singletons Conditions, Words at matching Positions of the new Condition); proactive and retroactive Performance.

Note. The numbers (e.g., 1,2) denote the serial positions at which the LTM words were introduced within the list in both LTM conditions, and correspond to the same positions of words in the new condition. Proactive and retroactive effects indicate the aggregated performance of words presented in serial positions following or preceding the introduction of LTM words, respectively. These specific serial positions are the same for words in the new condition to ensure an unbiased comparison.

Table 1

Experiment 1. Bayes factors (BF10) of the pairwise comparisons between conditions for each serial position in which the LTM words were introduced in the lists.

WORD PAIRS VS SINGLETONSWORDS PAIRS VS NEWSINGLETONS VS NEW
Serial positions 1,21.44 [0.89–3.39]2041.03 [730.03–7191.33]4.51 [3.18–5.09]
Proactive0.08 [0.05–0.18]0.06 [0.03–0.15]0.09 [0.06–0.22]
Retroactive
Serial positions 2,32.51 [1.66–6.01]776.12 [394.52–1860.73]0.53 [0.34–0.76]
Proactive0.06 [0.04–0.15]0.07 [0.04–0.18]0.09 [0.05–0.21]
Retroactive0.17 [0.11–0.32]0.07 [0.14–0.36]0.35 [0.23–0.58]
Serial positions 3,40.82 [0.45–2.35]24.06 [17.96–48.80].24 [0.13–0.47]
Proactive0.08 [0.05–0.18]0.06 [0.03–0.14]0.09 [0.05–0.20]
Retroactive0.16 [0.10–0.28]0.12 [0.07–0.21]0.54 [0.41–0.66]
Serial positions 4,50.21 [0.10–0.83]0.34 [0.17–1.40]0.08 [0.04–0.19]
Proactive0.11 [0.06–0.22]0.09 [0.06–0.19]0.11 0.07–0.24]
Retroactive0.11 [0.07–0.22]0.10 [0.06–0.23]0.43 [0.27–0.73]
Serial positions 5,627.25 [15.27–41.91]18.65 [9.01– 37]0.13 [0.07–0.27]
Proactive
Retroactive0.08 [0.05–0.18]0.06 [0.03–0.15]0.09 [0.05–0.23]

[i] Note. Serial positions represent the positions in which the LTM words were introduced in the word pairs and singletons conditions, which are compared to the words presented at the same serial positions of the new condition.

Credible BFs are printed in bold.

joc-8-1-451-g4.png
Figure 4

Proportion of immediate Recall Performance as a Function of Condition. Panel A: overall Performance. Panel B: Performance for highlighted red Words and new Words presented in black.

Note. In both the word pairs and singletons conditions, the red words represent the LTM words. In the new condition, however, the red words indicate new words highlighted in color red to establish a baseline and control for any potential salience effects.

Table 2

Experiment 2. Bayes factors (BF10) of the pairwise comparisons between conditions for each serial position in which the highlighted red words were introduced in the lists.

WORD PAIRS VS SINGLETONSWORDS PAIRS VS NEWSINGLETONS VS NEW
Serial positions 1,222 [12.40–78.13]116.80 [58.17–704.42].14 [0.08–0.32]
Proactive0.96 [0.53–1.79]1.36 [0.78–3.19]0.08 [0.04–0.19]
Retroactive
Serial positions 2,33.87 [1.52–20.47]72.09 [21.50–572.80]0.17 [0.04–0.15]
Proactive0.08 [0.04–0.18]0.11 [0.06–0.26]0.06 [0.04–0.15]
Retroactive0.24 [0.17–0.38]0.21 [0.14–0.34]0.18 [0.11–0.35]
Serial positions 3,40.32 [0.14–1.97]13.47 [5.03–71.59]0.58 [0.36–0.92]
Proactive0.06 [0.03–0.13]0.08 [0.04–0.14]0.08 [0.04–0.18]
Retroactive0.09 [0.06–0.19]0.08 [0.05–0.18]0.12 [0.07–0.24]
Serial positions 4,50.32 [0.14–1.82]11.89 [5.38–96.11]0.37 [0.21–0.72]
Proactive0.14 [0.08–0.34]0.06 [0.04–0.14]0.14 [0.09–0.30]
Retroactive0.10 [0.06–0.19]0.07 [0.04–0.17]0.10 [0.06–0.22]
Serial positions 5,61.67 [0.77–9.39]37.39 [13.18–294.45]0.18 [0.11–0.38]
Proactive0.10 [0.06–0.21]0.45 [0.27–1.01]2.22 [1.64–2.50]
Retroactive0.29 [0.20–0.45]0.09 [0.05–0.20]0.12 [0.07–0.25]
Serial positions 6,742.34 [18.05–224.15]23.64 [9.61–117.43]0.10 [0.06–0.21]
Proactive
Retroactive0.23 [0.14–0.52]0.09 [0.06–0.23]0.08 [0.05–0.21]

[i] Note. Serial positions represent the positions in which the LTM words were introduced in the word pairs and singletons conditions, which are compared to the words presented at the same serial positions of the new condition.

Credible BF’s are printed in bold.

joc-8-1-451-g5.png
Figure 5

Experiment 2. Panel A: Serial Position Curves depending on the Serial Positions in which the highlighted Words were introduced within the list. Panel B: Performance of highlighted Words at the Serial Positions of interest; proactive and retroactive performance.

Note. The numbers (e.g., 1,2) denote the serial positions at which the highlighted red words were introduced within the list. They correspond to LTM words in both LTM conditions, and to the matching positions of words in the new condition. Proactive and retroactive effects indicate the aggregated performance of words presented in serial positions following or preceding the introduction of highlighted words, respectively.

joc-8-1-451-g6.png
Figure 6

Events representing the Procedure of Experiment 3. Panel A: LTM learning Phase. Panel B: on the Left Side, WM encoding phase; three different Conditions from Top to Bottom: (a) LTM Intact Structure Condition (b) LTM Disrupted Structure Condition (c) New Condition; on the Right Side, the different Templates used to create the Conditions; Panel C: WM testing Phase: Typed Serial Recall.

joc-8-1-451-g7.png
Figure 7

Proportion of immediate Recall Performance as a Function of Condition. Panel A: overall Performance. Panel B: Performance for LTM Word Pairs and new Words for LTM Conditions.

joc-8-1-451-g8.png
Figure 8

Experiment 3. Panel A: Serial Position Curves depending on the Serial Positions in which the LTM word pairs were introduced within the List. Panel B: Performance of Words at the Serial Positions of interest (LTM word pairs in the intact and disrupted Conditions; Words at matching Positions of the new Condition); proactive and retroactive Performance.

Note. The numbers (e.g., 1,2) denote the serial positions at which the LTM word pairs were introduced within the list in both LTM conditions, and correspond to the same positions of words in the new condition. Proactive and retroactive effects indicate the aggregated performance of words presented in serial positions following or preceding the introduction of LTM word pairs, respectively. These specific serial positions are the same for words in the new condition.

Table 3

Bayes factors (BF10) of the pairwise comparisons of new words between conditions in Experiment 3.

INTACT VS DISRUPTEDINTACT VS NEWDISRUPTED VS NEW
Serial positions 1,20.15
[0.08–0.45]
1.67 × 105
[1.96 × 104 –2.02 × 106]
5008.62
[2.55 × 103 –1.88 × 104]
Proactive0.04
[0.02–0.10]
15.71
[8.83–47.44]
401.45
[1.69 × 102–2.34 × 104]
Retroactive
Serial positions 3,45.51
[3.65–14.40]
5.41 × 105
[3.54 × 104–2.54 × 107]
156.06
[57.31–4094.10]
Proactive0.26
[0.15–0.52]
28.13
[16.66–51.10]
0.52
[0.32–1.06]
Retroactive
Serial positions 4,50.44
[0.27–1.87]
1.57 × 105
[1.26 × 104–1.72 × 106]
772.92
[432.20–5198.13]
Proactive0.16
[0.09–0.33]
0.08
[0.05–0.20]
0.05
[0.03–0.13]
Retroactive0.05
[0.03–0.12]
0.06
[0.04–0.15]
0.05
[0.03–0.12]
Serial positions 6,70.67
[0.42–2.51]
2.56 × 105
[4.50 × 104–9.12 × 106]
6217.68
[1060.70–1. 60 × 106]
Proactive
Retroactive1.50
[0.90–2.85]
0.05
[0.03–0.12]
0.89
[0.56–1.61]

[i] Note. Serial positions represent the positions in which the LTM words were introduced in the intact and disrupted conditions, which are compared to the words presented at the same serial positions of the new condition.

Credible BF’s are printed in bold.

DOI: https://doi.org/10.5334/joc.451 | Journal eISSN: 2514-4820
Language: English
Submitted on: Sep 9, 2024
Accepted on: Jun 22, 2025
Published on: Jul 18, 2025
Published by: Ubiquity Press
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year

© 2025 Ana Rodriguez, Philipp Musfeld, Lea M. Bartsch, published by Ubiquity Press
This work is licensed under the Creative Commons Attribution 4.0 License.