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An examination of the lateralized abstractive/form specific model using MiXeD-CaSe primes
1Department of Psychology, University of York, England, UK. M.Lavidor@psych.york.ac.uk
Brain and Cognition
|May 28, 2002
Summary
Case alternation effects on cerebral hemispheres were studied. Results align with the two modes theory, showing no hemispheric differences in priming size for mixed-case words.
Area of Science:
- Cognitive Neuroscience
- Psycholinguistics
- Neuroscience
Background:
- Cerebral hemisphere lateralization influences cognitive processes.
- Two prominent theories explain case alternation effects: two processing modes and abstractive/form-specific models.
Purpose of the Study:
- To investigate case alternation effects on cerebral hemispheres.
- To compare predictions from the two processing modes and abstractive/form-specific theories.
Main Methods:
- A lateralized visual lexical decision task was used.
- The masked priming paradigm with mixed-case words was employed.
- Thirty-two right-handed participants were involved.
Main Results:
- No significant hemispheric differences in priming size were observed when prime and target words shared mixed case.
- Findings support the two modes theory of lateralization.
Conclusions:
- The study's results are consistent with the two modes theory.
- A revised interpretation of the abstractive/form-specific model may also explain the observed data.
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