Several authors in communication studies have pointed out that head movements are relevant to feedback phenomena ( see McClave ( 2000 ) for an overview ) .
linguistic functions of head movements in the context of speech
Evelyn McClave
Several authors in communication studies have pointed out that head movements are relevant to feedback phenomena ( see McClave ( 2000 ) for an overview ) . Others have looked at the application of machine learning algorithms to annotated multimodal corpora .
Several authors in communication studies have pointed out that head movements are relevant to feedback phenomena ( see @@CITATION for an overview ) .