Record Display for the EPA National Library Catalog

RECORD NUMBER: 438 OF 1084

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Main Title

Functional State of the Hippocampus during Prolonged Impulse and Stable Noise (O Funktsionalnom Sostoii Gippokampa pri Dlitelnom Vozdeistvii Impulsnogo i Stabilnogo Shuma).

Author

Suvorov., G. A. ;

CORP Author

Environmental Protection Agency, Research Triangle Park, N.C. Translation Services Section.

Year Published

1972

Report Number

EPA-TR-73-275;

Stock Number

PB-259 642-T

Additional Subjects

Hippocampus ; Noise(Sound) ; Physiological effects ; Electrophysiologic recording ; USSR ; Translations ; Brain ; Central nervous system ; Rabbits ; Laboratory animals ; Excitation ; Thresholds(Perception) ; Noise pollution ; Medical research ; Impulse noise ; Neurophysiology

Holdings

Library	Call Number	Additional Info	Location	Last Modified	Checkout Status
NTIS	PB-259 642-T	Some EPA libraries have a fiche copy filed under the call number shown.		07/26/2022

Collation

Abstract

Impulse noise causes maximum increase of excitability of the hippocampus 1 hour after the effect, whereas with application of stable noise, maximum increase of excitability is noted after 3 hours. Under conditions of prolonged chronic experiment, impulse and stable noise have a different effect on the functional state of the hippocampus. A stable noise stimulus causes persistent depression of the hippocampus even after the 1st month of the test. Impulse noise causes an increase of excitability of the hippocampus at the end of the chronic test. Immediately after the alternate effect of impulse and stable noise, at all stages of the chronic test, excitability of the hippocampus was increased.

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