Altered circadian activity rhythms and sleep in mice devoid of prion protein

Article Abstract:

The circadian rhythms and sleep patterns are altered in mice lacking the prion protein (PrP), indicating that the loss of PrP results in neurological malfunction. The inherited prion disease fatal familial insomnia is related to the loss of the normal function of PrP. The period of activity of the circadian activity in transgenic mice is longer than that in wild-type mice and shorter than that in null PrP mutant mice.

Physiological aspects, Circadian rhythms, Prions, Prions (Proteins), Insomnia

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More than words

Article Abstract:

The concept of natural languages, and its usefulness for understanding primate communication, the role of syntax, and other issues relating to linguistics are explored in detail.

Primates, Linguistics

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Language rhythms in baby hand movements

Article Abstract:

Babies' hand movements are significant in that they are linked to the development of language. This is apparent even when the parents of the babies are deaf.

Infants

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