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Separate pathway characteristics of numerical surface form processing: evidence from operand-related error effects
Ming-Liang Zhang1, Ji-Wei Si, Xiao-Wen Zhu
1Shandong Administrative Institute, China.
The American Journal of Psychology
|March 20, 2013
Summary
Numerical surface form impacts cognitive processing. This study on multiplication errors suggests separate pathways for visual digits and spoken number words, with phonological codes interfering with retrieval.
Area of Science:
- Cognitive Psychology
- Numerical Cognition
- Psycholinguistics
Background:
- Debate exists on whether numerical magnitude processing uses a common pathway or separate pathways for different input formats.
- Understanding how numerical surface form (e.g., visual digits vs. spoken words) influences cognitive processing is crucial.
Purpose of the Study:
- To investigate the operand-related error effect in multiplication using both visual Arabic digits and auditory Mandarin number words.
- To determine whether numerical processing relies on common or separate pathways based on surface form.
- To examine the role of surface properties and phonological codes in numerical retrieval.
Main Methods:
- Examined the operand-related error effect in simple multiplication.
- Utilized a dual-format approach with visually presented Arabic digits and auditorily presented Mandarin number words.
- Analyzed retrieval processes influenced by different numerical surface forms.
Main Results:
- Numerical surface form significantly affected retrieval, indicating that surface properties are maintained as specific codes.
- Phonological codes activated by spoken Mandarin number words interfered with the retrieval of multiplication answers.
- Findings support the separate pathway perspective for numerical magnitude processing.
Conclusions:
- The numerical surface form (visual digits, spoken words) influences cognitive processing and retrieval.
- Separate pathways are likely involved in processing numerical information presented in different formats.
- Phonological interference from spoken number words impacts numerical retrieval, supporting distinct processing routes.
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