ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The limits of high frequency sound perception are said to lie at 20 kc/s at 5 yr of age and to fall to 16 kc/s at 30 yr arid 10 kc/s at 60 yr of age4. At, or slightly above, these frequencies, some individuals 'hear' arid some 'feel' sound waves. At still higher frequencies all 'feelings' disappear ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/214099a0
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