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The missing link: Global-local processing relates to number-magnitude processing in women
Belinda Pletzer1, Andrea Scheuringer1, TiAnni Harris1
1Department of Psychology.
Journal of Experimental Psychology. General
|September 4, 2020
Summary
The unit-decade compatibility effect in number comparison is linked to global-local processing advantages in women, but not men. This suggests shared mechanisms between visual perception and numerical cognition, with sex-specific differences.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Visual Perception
Background:
- Number processing and visual hierarchical (global-local) processing share commonalities.
- The global advantage effect shows faster reactions to global than local aspects in visual stimuli.
- Multidigit numbers can be processed holistically or via decomposed single digits, with the unit-decade compatibility effect potentially measuring reliance on decomposed representations.
Purpose of the Study:
- To investigate the relationship between the unit-decade compatibility effect in number comparison and global advantage measures.
- To determine if global-local processing transcends into the numerical domain.
- To explore potential sex differences in the mechanisms underlying the compatibility effect.
Main Methods:
- Utilized existing data from participants who completed number comparison and global-local tasks.
- Assessed the compatibility effect during 2-digit number comparison.
- Measured global advantage using established global-local tasks.
Main Results:
- A negative relationship was found between the compatibility effect and global advantage measures in women.
- No significant relationship was observed between the compatibility effect and global advantage measures in men.
- These findings suggest that global-local processing influences numerical cognition.
Conclusions:
- Global-local processing principles extend to the domain of number cognition.
- The unit-decade compatibility effect may reflect different underlying mechanisms in men and women.
- This research highlights sex-specific differences in cognitive processing.
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