File:Fetal facial expression 01.jpg

From Embryology

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Fetal Facial Expression

Illustration of developmental progression in number of action units (AUs) over gestational age.

(a) One AU at 24 weeks.

(b) Two AUs at 27.5 weeks.

(c) and (d) two different combinations of 4 AUs at 32 weeks.

Original file name: Figure 1. Journal.pone.0024081.g001.jpg

Reference

Citation: Reissland N, Francis B, Mason J, Lincoln K (2011) Do Facial Expressions Develop before Birth? PLoS ONE 6(8): e24081. doi:10.1371/journal.pone.0024081

http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0024081

Copyright: © 2011 Reissland et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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current12:17, 2 September 2011Thumbnail for version as of 12:17, 2 September 20111,200 × 1,094 (122 KB)S8600021 (talk | contribs)==Fetal Facial Expression== Illustration of developmental progression in number of action units (AUs) over gestational age. (a) One AU at 24 weeks. (b) Two AUs at 27.5 weeks. (c) and (d) two different combinations of 4 AUs at 32 weeks. Original file n

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