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Research Article

Do Facial Expressions Develop before Birth?

  • Nadja Reissland mail,

    n.n.reissland@durham.ac.uk

    Affiliation: Department of Psychology, University of Durham, Durham, United Kingdom

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  • Brian Francis,

    Affiliation: Department of Mathematics and Statistics, Lancaster University, Lancaster, United Kingdom

    X
  • James Mason,

    Affiliation: Wolfson Research Institute, University of Durham, Stockton, United Kingdom

    X
  • Karen Lincoln

    Affiliation: The James Cook University Hospital, Middlesbrough, United Kingdom

    X
  • Published: August 31, 2011
  • DOI: 10.1371/journal.pone.0024081

About the Authors

Nadja Reissland
Department of Psychology, University of Durham, Durham, United Kingdom
Brian Francis
Department of Mathematics and Statistics, Lancaster University, Lancaster, United Kingdom
James Mason
Wolfson Research Institute, University of Durham, Stockton, United Kingdom
Karen Lincoln
The James Cook University Hospital, Middlesbrough, United Kingdom

Corresponding Author

Email: n.n.reissland@durham.ac.uk

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NR. Performed the experiments: NR. Analyzed the data: BJF. Wrote the paper: NR BJF JM. Ethics: KL NR. Governance: KL.