Effect of ethanol on hippocampal neurons depends on their behavioural specialization

ALEXANDROV, Y.I.; GRINCHENKO, Y.V.; LAUKKA, S.; JÄRVILEHTO, T.; MAZ, V.N.; KORPUSOVA, A.V.

Авторы: ALEXANDROV Yu I., GRINCHENKO Yu V., LAUKKA S., JÄRVILEHTO T., MAZ V.N., KORPUSOVA A.V.
Журнал: Acta physiologica Scandinavica
Том: 149
Номер: 1
Год издания: 1993
Издательство: Blackwell Scientific Publications
Местоположение издательства: Oxford, England
Первая страница: 105
Последняя страница: 115
DOI: 10.1111/j.1748-1716.1993.tb09598.x
Аннотация: Acute effect of ethanol on hippocampal neurons was studied during food acquisition behaviour in seven rabbits. The rabbits were taught to acquire food from a feeder by pressing a pedal on the same side of the cage. The behaviourally specialized units (L units related to newly learned behaviour and M units related to behaviour formed before learning, e.g. certain movements) were comparable with the ‘plac’ (projectional pyramidal and granular cells) and ‘displac’ (non-pyramidal interneurons) units of the current classification. The same direction of ethanol effects was found as for the limbic cortex; the number of certain kinds of L units decreased and that of M units increased but there was no significant change in the relative number of L and M units as a whole. The background frequency of L units decreased, but the frequency within activations increased. The results confirm our earlier findings on the most marked depressive effect of ethanol on L units and show that it is the behavioural specialization, not the morphological unit type, which is a major determinant of the ethanol influence.
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Effect of ethanol on hippocampal neurons depends on their behavioural specializationстатья

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