About the Authors
- Ulrike Griebel
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* E-mail: ulrikegriebel@gmail.com
Affiliations Institute for Intelligent Systems, The University of Memphis, Memphis, Tennessee, United States of America, The Konrad Lorenz Institute for Evolution and Cognition Research, Altenberg, Austria
- D. Kimbrough Oller
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Affiliations School of Communication Sciences and Disorders, The University of Memphis, Memphis, Tennessee, United States of America, The Konrad Lorenz Institute for Evolution and Cognition Research, Altenberg, Austria
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: UG. Performed the experiments: UG DKO. Analyzed the data: UG DKO. Contributed reagents/materials/analysis tools: UG DKO. Wrote the paper: UG DKO.