Different Impact of Task Switching and Response-category Conflict on Subsequent Memory

Muhmenthaler, Michèle C.; Meier, Beat (2019). Different Impact of Task Switching and Response-category Conflict on Subsequent Memory. Psychological research / Psychologische Forschung, 85(2), pp. 679-696. Springer-Verlag 10.1007/s00426-019-01274-3

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The impact of cognitive control demands on long-term memory is mixed, with some conflicts leading to better, others leading to worse subsequent memory. The current study was designed to investigate how different types of cognitive control demands modulate the effects on memory. At study, participants had to switch between two classification tasks and later, free recall performance was assessed. The stimuli consisted of two interleaved words, one word had to be categorized and the other word had to be ignored. In four experiments, the congruency between target and ignored words was manipulated by changing the distractor category. This allowed us to investigate the impact of different types of conflict (i.e., task switching, perceptual load, response-category conflict, stimulus-category conflict). The results revealed that task switching impaired memory in all experiments. In Experiment 1, higher perceptual load also impaired memory. The Experiments 2-4 showed that the co-activation of two words which required different responses (i.e., response-category conflict) enhanced memory performance but only when the conflict stimuli were presented in pure blocks. Overall, memory performance seems to depend on attentional policies: withdrawing attention from target encoding results in lower memory performance. In contrast, focusing attention on the target results in enhanced memory performance.

Item Type:

Journal Article (Review Article)

Division/Institute:

07 Faculty of Human Sciences > Institute of Psychology > Cognitive Psychology, Perception and Methodology

UniBE Contributor:

Muhmenthaler, Michèle Christine, Meier, Beat

Subjects:

100 Philosophy > 150 Psychology

ISSN:

0340-0727

Publisher:

Springer-Verlag

Language:

English

Submitter:

Michèle Christine Muhmenthaler

Date Deposited:

11 Nov 2019 16:10

Last Modified:

29 Mar 2023 23:36

Publisher DOI:

10.1007/s00426-019-01274-3

PubMed ID:

31802223

BORIS DOI:

10.7892/boris.134669

URI:

https://boris.unibe.ch/id/eprint/134669

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