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Does unconscious information affect cognitive activity?: a study using experimental priming
1St. Petersburg State University, Universitetskaya nab. 7/9, 199034 St. Petersburg, Russian Federation. box4fox@yandex.ru
The Spanish Journal of Psychology
|May 17, 2011
Summary
Unattended information, including subliminal stimuli and ignored distractors, impacts cognitive activity differently. Subliminal information aids tasks, while distractors and unconscious meanings of polysemantic words hinder cognitive performance.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Psycholinguistics
Background:
- Investigates the influence of unrecognized information on cognitive activity.
- Compares three types of stimuli: unconscious meanings of polysemantic information, subliminal stimuli, and intentionally ignored distractors.
- Assumes that all stimuli, even if not consciously perceived, are processed and impact cognitive functions.
Purpose of the Study:
- To compare the impact of different types of unattended stimuli on cognitive activity.
- To determine the priming effect of unperceived stimuli on directly associated information.
- To identify the overall interference effect of unperceived stimuli on cognitive task performance.
Main Methods:
- Employed an experimental priming paradigm combined with image-classification and lexical-decision tasks.
- Included control conditions to allow for unnoticed stimulus perception.
- Compared the effects of unconscious meanings, subliminal stimuli, and distractors.
Main Results:
- All types of unattended stimuli are assimilated, but their effects vary.
- Subliminal information facilitated task performance, while distractors hindered it.
- Unrecognized meanings of polysemantic words impeded both directly related tasks and overall cognitive activity.
Conclusions:
- Subliminal stimuli effects are explained by spreading activation in memory.
- Distractor effects are attributed to the inhibition of irrelevant representations.
- Unconscious meanings of polysemantic words may involve inhibition or an unconscious negative choice model.
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