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Cultural and biological factors modulate spatial biases over development
Luisa Girelli1,2, Chiara Valeria Marinelli3,4, Giuseppe Grossi5
1a Department of Psychology , University Milano-Bicocca , Milano , Italy.
Laterality
|January 21, 2017
Summary
Visuospatial processing in children and adults shows age-dependent biases for different stimuli. Literacy and biological maturation influence these visuospatial asymmetries, with adult patterns emerging by age eight.
Area of Science:
- Cognitive Psychology
- Developmental Psychology
- Neuroscience
Background:
- Visuospatial processing is influenced by both biological and cultural factors.
- Understanding the interplay of perceptual and linguistic mechanisms is crucial for visuospatial development.
Purpose of the Study:
- To investigate how perceptual and linguistic mechanisms interact to shape visuospatial asymmetries.
- To examine age-related differences in visuospatial processing between preschoolers, school-aged children, and adults.
Main Methods:
- Participants (3-5, 8-year-olds, and adults) performed a bisection task on lines, words, and figure strings.
- Analysis focused on identifying directional biases (leftward/rightward) in visuospatial judgments.
Main Results:
- Adults showed a leftward bias for lines/words and a rightward bias for figure strings.
- Children exhibited age-dependent biases, with 8-year-olds displaying adult-like patterns, unlike younger preschoolers.
Conclusions:
- Visuospatial asymmetries are shaped by age, reflecting the combined influence of cultural factors (literacy, reading habits) and biological maturation.
- The development of visuospatial processing is a gradual process, with significant changes occurring between preschool and school age.
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