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  The development of vernier acuity in human infants

Zanker, J., Mohn, G., Weber, U., Zeitler-Driess, K., & Fahle, M. (1992). The development of vernier acuity in human infants. Vision Research, 32(8), 1557-1564. doi:10.1016/0042-6989(92)90211-Z.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-11F9-F Version Permalink: http://hdl.handle.net/21.11116/0000-0006-0E48-B
Genre: Journal Article

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Zanker, J1, 2, Author              
Mohn, G, Author
Weber, U, Author
Zeitler-Driess, K, Author
Fahle, M, Author              
Affiliations:
1Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              
2Former Department Structure and Function of Natural Nerve-Net , Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497803              

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 Abstract: Vernier acuity, i.e. the detection of a small misalignment between lines, is about one order of magnitude finer than the resolution of periodic gratings in adult humans. This hyperacuity is generally attributed to cortical mechanisms, and the time-course of its development seems to differ from the development of grating resolution that probably is limited by retinal factors. We investigated 271 human infants and children between 2 months and 8 yr of age with essentially identical stimuli and experimental procedures. Vernier thresholds for Vernier targets were compared to grating resolution. The preferential looking experiments led to the following results: (i) Vernier acuity starts below grating resolution. (ii) Like grating resolution, Vernier acuity develops gradually, but more rapidly and longer; at the age of 5 yr performance becomes comparable to that of adults. (iii) Flanking borders without offset, added to the Vernier targets at various distances, did not affect thresholds consistently across distances and age groups.

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 Dates: 1992-08
 Publication Status: Published in print
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 Identifiers: DOI: 10.1016/0042-6989(92)90211-Z
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Title: Vision Research
  Other : Vision Res.
Source Genre: Journal
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Publ. Info: Amsterdam : Pergamon
Pages: - Volume / Issue: 32 (8) Sequence Number: - Start / End Page: 1557 - 1564 Identifier: ISSN: 0042-6989
CoNE: https://pure.mpg.de/cone/journals/resource/954925451842