To drink or not to drink: tests of anxiety and immobility in alcohol-preferring and alcohol-nonpreferring rat strains. 1995

I V Viglinskaya, and D H Overstreet, and O P Kashevskaya, and B A Badishtov, and A B Kampov-Polevoy, and S B Seredenin, and J A Halikas
Institute for Pharmacology, Russian Academy of Medical Sciences, Moscow.

Previous reports have provided mixed results about emotional states in rats that voluntarily drink substantial amounts of alcohol. The purpose of the present study was to compare several strains of alcohol-preferring rats (P, AA, FH) with several strains of alcohol-nonpreferring rats (NP, ANA, FRL), and the Maudsley strains on tests reflecting anxiety and immobility. At about 70 days of age the rats were placed in the elevated plus maze for a 5-min test; a forced swim test of 10 min was given 4 days later and this test was followed 4 days later by a modified forced swim test (the capsule), in which there were four false escape alleys. The FRL rats spent more time in the open arms of the elevated plus maze than any other strain, but there was no consistent relationship between elevated plus maze scores and alcohol intake. The alcohol-preferring P rats were the most active in the standard forced swim test and the alcohol-nonpreferring Maudsley Reactive rats were the least active, but there was no consistent relationship between immobility and alcohol intake overall. All rats were much more active in the capsule and there were no significant strain differences. However, the alcohol-preferring P and FH rats attempted to escape more than the other strains, resulting in an overall significant correlation between escape attempts and alcohol intake. These findings do not provide any support for the hypothesis that alcohol-preferring rats are drinking alcohol to reduce high anxiety states.

UI MeSH Term Description Entries
D008297 Male Males
D009043 Motor Activity Body movements of a human or an animal as a behavioral phenomenon. Activities, Motor,Activity, Motor,Motor Activities
D009949 Orientation Awareness of oneself in relation to time, place and person. Cognitive Orientation,Mental Orientation,Psychological Orientation,Cognitive Orientations,Mental Orientations,Orientation, Cognitive,Orientation, Mental,Orientation, Psychological,Orientations,Orientations, Cognitive,Orientations, Mental,Orientations, Psychological,Psychological Orientations
D011919 Rats, Inbred Strains Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations or by parent x offspring matings carried out with certain restrictions. This also includes animals with a long history of closed colony breeding. August Rats,Inbred Rat Strains,Inbred Strain of Rat,Inbred Strain of Rats,Inbred Strains of Rats,Rat, Inbred Strain,August Rat,Inbred Rat Strain,Inbred Strain Rat,Inbred Strain Rats,Inbred Strains Rat,Inbred Strains Rats,Rat Inbred Strain,Rat Inbred Strains,Rat Strain, Inbred,Rat Strains, Inbred,Rat, August,Rat, Inbred Strains,Rats Inbred Strain,Rats Inbred Strains,Rats, August,Rats, Inbred Strain,Strain Rat, Inbred,Strain Rats, Inbred,Strain, Inbred Rat,Strains, Inbred Rat
D003863 Depression Depressive states usually of moderate intensity in contrast with MAJOR DEPRESSIVE DISORDER present in neurotic and psychotic disorders. Depressive Symptoms,Emotional Depression,Depression, Emotional,Depressive Symptom,Symptom, Depressive
D004924 Escape Reaction Innate response elicited by sensory stimuli associated with a threatening situation, or actual confrontation with an enemy. Flight Reaction,Escape Reactions,Flight Reactions,Reaction, Escape,Reaction, Flight,Reactions, Escape,Reactions, Flight
D000428 Alcohol Drinking Behaviors associated with the ingesting of ALCOHOLIC BEVERAGES, including social drinking. Alcohol Consumption,Alcohol Intake,Drinking, Alcohol,Alcohol Drinking Habits,Alcohol Drinking Habit,Alcohol Intakes,Consumption, Alcohol,Drinking Habit, Alcohol,Habit, Alcohol Drinking,Habits, Alcohol Drinking,Intake, Alcohol
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001007 Anxiety Feelings or emotions of dread, apprehension, and impending disaster but not disabling as with ANXIETY DISORDERS. Angst,Anxiousness,Hypervigilance,Nervousness,Social Anxiety,Anxieties, Social,Anxiety, Social,Social Anxieties
D001143 Arousal Cortical vigilance or readiness of tone, presumed to be in response to sensory stimulation via the reticular activating system. Vigilance, Cortical,Arousals,Cortical Vigilance

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