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Screen position effects on task performance in a delayed match to sample task.

Jason Steffener1, Zoha Rana1, Sonia Dancey1

  • 1Neural Cognitive Mapping Laboratory, Interdisciplinary School of Health Science, University of Ottawa, Ottawa, ON, Canada.

Acta Psychologica
|June 26, 2020
PubMed
Summary
This summary is machine-generated.

Screen position significantly impacts working memory performance in delayed match-to-sample tasks. These screen position effects are crucial for interpreting results, especially in neuroimaging studies with limited trials.

Keywords:
Delayed match to sampleMemory loadScreen positionShort term memory

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human Computer Interaction

Background:

  • Working memory research often employs immediate and delayed recall tasks.
  • Serial position effects describe differential recall based on item placement in a list.
  • Screen presentation effects on working memory are not fully understood.

Purpose of the Study:

  • To investigate the impact of screen position on working memory performance.
  • To analyze how item location in a grid affects accuracy and response time.

Main Methods:

  • A delayed match-to-sample task was administered to 49 healthy young adults.
  • Items were presented in a 3x3 grid, with 1 to 9 items per trial.
  • Response time and accuracy were recorded, analyzing effects of item column and grid position.

Main Results:

  • The column in which items were studied significantly affected response time and accuracy.
  • Accuracy was also significantly influenced by the interaction between item position and task demands.
  • Simulations highlighted the potential range of accuracies influenced by screen effects with limited trials.

Conclusions:

  • Screen position is a critical factor influencing working memory task performance.
  • These findings have significant implications for designing and interpreting studies, particularly in time-constrained neuroimaging research.
  • Understanding screen position effects is essential for accurate assessment of working memory capacity.