[Psychophysiological signs of aging in mice F1 (C57BL/6×DBA/2).] 2019

K A Nikolskaya, and V V Tolchennikova, and M V Kondashevskaya
M.V.Lomonosov Moscow State University, 1 build, 12 Leninskie gory, Moscow 119234, Russian Federation, e-mail: nikolskaya.kira@yandex.ru.

The psychophysiological effects of aging in mice of the line F1 (C57BL/6×DBA/2) at the age of 3, 7, and 14 months were investigated. It was found that the cognitive abilities, memory and spatial orientation in all animals did not depend on age, they were able to form a 4-link food-getting habit. The instability of behavior found in all mice at the stereotyped stage of in the form of periodic reproduction of false and irrational realizations was determined by the peculiarities of the basic nervous processes - increased excitability and weakness of inhibition. It was possible to establish that the consistent reduction of the excitation phase during the aging process caused the instability of the dominant state and motivational activity, negatively affecting the attention stable and, consequently, the ability to consistently reproduce the optimal variant of habit.

UI MeSH Term Description Entries
D008568 Memory Complex mental function having four distinct phases: (1) memorizing or learning, (2) retention, (3) recall, and (4) recognition. Clinically, it is usually subdivided into immediate, recent, and remote memory.
D008810 Mice, Inbred C57BL One of the first INBRED MOUSE STRAINS to be sequenced. This strain is commonly used as genetic background for transgenic mouse models. Refractory to many tumors, this strain is also preferred model for studying role of genetic variations in development of diseases. Mice, C57BL,Mouse, C57BL,Mouse, Inbred C57BL,C57BL Mice,C57BL Mice, Inbred,C57BL Mouse,C57BL Mouse, Inbred,Inbred C57BL Mice,Inbred C57BL Mouse
D008811 Mice, Inbred DBA An inbred strain of mouse. Specific substrains are used in a variety of areas of BIOMEDICAL RESEARCH such as DBA/1J, which is used as a model for RHEUMATOID ARTHRITIS. Mice, DBA,Mouse, DBA,Mouse, Inbred DBA,DBA Mice,DBA Mice, Inbred,DBA Mouse,DBA Mouse, Inbred,Inbred DBA Mice,Inbred DBA Mouse
D003071 Cognition Intellectual or mental process whereby an organism obtains knowledge. Cognitive Function,Cognitions,Cognitive Functions,Function, Cognitive,Functions, Cognitive
D000072458 Orientation, Spatial Change in position or alignment in response to an external stimulus. Orientations, Spatial,Spatial Orientation,Spatial Orientations
D000375 Aging The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time. Senescence,Aging, Biological,Biological Aging
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
D001522 Behavior, Animal The observable response an animal makes to any situation. Autotomy Animal,Animal Behavior,Animal Behaviors
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus

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