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Transmission and learning of tongue gymnastic ability
Author(s) -
Hirschhorn Howard H.
Publication year - 1970
Publication title -
american journal of physical anthropology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.146
H-Index - 119
eISSN - 1096-8644
pISSN - 0002-9483
DOI - 10.1002/ajpa.1330320315
Subject(s) - tongue , transmission (telecommunications) , communication , twist , first language , psychology , linguistics , computer science , telecommunications , mathematics , philosophy , geometry
Observations were made for two weeks on the ability to roll, twist, and fold the tongue in the four members of an American family of northern European background. Photographs and questions were mailed to relatives, thus providing data for a total of 13 persons in three generations. It was found that ample time and example must be provided for learning tongue tricks, even if they be genetically determined. Also, there was evidence for the independent transmission of folding and rolling, and of transitory intermediate positions of the tongue before full expression of the abilities appeared.