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Attention and perceptual priming in the perceptual identification task
1Department of Psychology, Southern Methodist University, Dallas, Texas 75275-0442, USA. mulligan@mail.smu.edu
Summary
Attention during encoding impacts perceptual implicit memory. Manipulating attention by identifying color, not just stimulus identification, reduced priming, supporting the distractor-selection hypothesis.
Area of Science:
- Cognitive Psychology
- Neuroscience
Background:
- Attention during encoding influences perceptual implicit memory.
- Two hypotheses explain this: disruption of stimulus identification or distractor selection.
Purpose of the Study:
- Investigate the role of attention in perceptual implicit memory.
- Differentiate between stimulus-identification and distractor-selection accounts.
Main Methods:
- Utilized a Stroop task variant.
- Participants performed word reading, color identification, or both.
- Varied stimulus presentation (single vs. separate objects) and response order.
Main Results:
- Identifying color reduced priming, even with overt word identification.
- This effect persisted regardless of stimulus presentation format.
- Response order did not alter the priming reduction.
Conclusions:
- Findings challenge the stimulus-identification hypothesis.
- Results support the distractor-selection hypothesis for attention's role in priming.