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- Title
Development of face discrimination abilities, and relationship to magnocellular pathway development, between childhood and adulthood.
- Authors
PALLETT, PAMELA M.; DOBKINS, KAREN R.
- Abstract
The current study tested the development of face and object processing in young children (mean age = 5.24 years), adolescents (mean age = 15.8 years), and adults (mean age = 21.1 years) using stimuli that were equated for low-level visual characteristics (luminance, contrast, and spatial frequency make-up) and methods that equate for difficulty across ages. We also tested sensitivity to luminance and chromatic contrast (i.e., thought to be mediated primarily by the subcortical Magnocellular (M) and Parvocellular (P) pathways, respectively) to determine whether age-related improvements in face or object discrimination were driven by age-related changes in the M and/or P pathways. Results showed a selective age-related improvement in face sensitivity and a relationship between age-related increases in face sensitivity and luminance contrast sensitivity. These results add to the mounting evidence that the M pathway may influence face processing.
- Publication
Visual Neuroscience, 2013, Vol 30, Issue 5/6, p251
- ISSN
0952-5238
- Publication type
Article
- DOI
10.1017/S0952523813000217