Understanding chimpanzee facial expression: insights into the evolution of communication.

@article{Parr2006UnderstandingCF,
  title={Understanding chimpanzee facial expression: insights into the evolution of communication.},
  author={Lisa A. Parr and Bridget M Waller},
  journal={Social cognitive and affective neuroscience},
  year={2006},
  volume={1 3},
  pages={221-8}
}
To understand the evolution of emotional communication, comparative research on facial expression similarities between humans and related species is essential. Chimpanzees display a complex, flexible facial expression repertoire with many physical and functional similarities to humans. This paper reviews what is known about these facial expression repertoires, discusses the importance of social organization in understanding the meaning of different expressions, and introduces a new coding… CONTINUE READING