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The attentional boost effect and source memory.

Neil W Mulligan1, Pietro Spataro2, Clelia Rossi-Arnaud3

  • 1Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill.

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Summary
This summary is machine-generated.

The attentional boost effect (ABE) enhances memory for items studied with targets. This study confirms ABE in source memory, attributing prior discrepancies to differences in how source and context memory rely on inferential processes.

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Area of Science:

  • Cognitive Psychology
  • Human Memory
  • Attention and Perception

Background:

  • The attentional boost effect (ABE) improves memory for stimuli presented with targets compared to distractors.
  • ABE is consistently observed for item memory but shows conflicting results for associative memory, specifically source and context memory.
  • Prior research suggests methodological variations (e.g., stimuli, presentation frequency, measurement techniques) may explain these discrepancies.

Purpose of the Study:

  • To investigate the reasons for conflicting findings regarding the attentional boost effect (ABE) in source memory versus context memory.
  • To determine if methodological differences account for the inconsistent ABE results in associative memory tasks.
  • To clarify the role of informational bases and inferential processes in source and context memory performance.

Main Methods:

  • Conducted three experiments manipulating study materials, number of study presentations, and source memory measurement techniques.
  • Assessed both source memory (item-context association) and context memory (perceptual details/list membership).
  • Utilized traditional and multinomial modeling approaches for source memory measurement where applicable.

Main Results:

  • Consistently found a significant attentional boost effect (ABE) in source memory across all experiments.
  • Ruled out differences in study materials, number of study presentations, and source memory measurement techniques as causes for prior discrepancies.
  • Identified differences in the informational bases of source and context memory tests as the primary factor influencing ABE findings.

Conclusions:

  • The attentional boost effect (ABE) is reliably present in source memory.
  • Discrepancies in prior research stem from inherent differences in what source and context memory tests measure.
  • Source memory's reliance on associations with monitoring task information and susceptibility to inferential processes explains the observed ABE.