Impact of Hypoxia Undertaken In Different Periods of Ontogenesis on Bioelectrical Activity of The Brain in Rabbit Pups

The electrocorticogram (ECoG) of the 10, 20 and 30-day old rabbits, subjected to the effects of acute hypoxia, was registered. Under hypoxia in the 10 and 20-day old rabbits incidence of the low-frequency waves in the ECoG specter was upregulated by over 3-5%. Simultaneously, amplitudes of the waves of the ECoG increased. In the 30-day old rabbits there were no significant changes in the ECoG specter under hypoxia, whereas amplitudes of the waves decreased. Comparative analysis shows that while the age of the rabbits was growing up, vulnerability of ECoG to hypoxia decreased.

Keywords

Acute hypoxia, ontogenesis, electrocorticogram, rabbits

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