To evaluate the extent to which features may vary with passing time, we further attempted to determine the rate of growth of the external ear during adult life. Additionally, we explored if the duration of listening, and whether the ear had been recently cleaned or not, affected the appearance of an earprint. We also investigated whether presence or absence of a target sound was of influence. As the amount of force that is applied by the ear to the listening surface influences the appearance of the earprint, we investigated factors potentially affecting this force, such as the level and frequency of a target sound, and the level of ambient noise. In order to determine the limits to intra-individual variation, we need to explore its potential causes. Summary: The feasibility of earprint individualization depends upon the amount of variation in prints of different ears, but also upon that in prints of a single ear. Country of Publication: Netherlands Publisher: Leiden : Barge's Anthropologica, Description: 1 online resource (1 PDF file (228 pages)) : illustrationsĮnglish(Summary), Dutch(Summary) ISBN: 9789080645691 Author(s): Meijerman, L (Lynn), author Rijksuniversiteit te Leiden Title(s): Inter- and intra individual variation in earprints / Lynn Meijerman.
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