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From birth to adulthood, the human brain expands by a factor of 3.3, compared with 2.5 in chimpanzees [DeSilva J and Lesnik J (2006) Chimpanzee neonatal brain size: Implications for brain growth in Homo erectus. J Hum Evol 51: 207-212]. How the required extra amount of human brain growth is achieved and what its implications are for human life history and(More)
The globular braincase of modern humans is distinct from all fossil human species, including our closest extinct relatives, the Neandertals. Such adult shape differences must ultimately be rooted in different developmental patterns, but it is unclear at which point during ontogeny these group characteristics emerge. Here we compared internal shape changes(More)
The objective of the present study was to estimate the possibility of using the Russian version of the speech audiometry test with the verbal tasks and motor responses (VTMR test) for the examination of the patients of the advanced and senile age suffering from hearing impairment and cognitive disorders. A total of 20 subjects at the age between 60 and 83(More)
Results of the investigation of hearing of elderly people living in nursing houses in Saint-Petersburg, obtained through a tonal threshold audiometry are described in this article. The analysis of hearing-loss prevalence depending on the age, the hearing-loss degrees, the presence of complaints about the hearing loss are also represented as well as the(More)
Data about rehabilitation in hearing impaired elderly people living in nursing houses in Saint-Petersburg are presented in the article. Hearing aid demand depending on age and degree of hearing loss is analyzed and problems of electro acoustic correction of hearing loss and possibilities to increase its efficacy in studied age group are discussed as well.
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