LEARNING AND EXPLORATORY ABILITY IN MICE SELECTED FOR DIFFERENT BRAIN-WEIGHT

Google Scholar
  • 1 January 1981
    • journal article
    • research article
    • Vol. 31  (3) , 550-555
Abstract
Ability for learning a simple food-searching reaction, and for extrapolation of a food stimulus movement was studied in 2 lines of laboratory mice selected throughout 15 generations for high (H-line) and low (L-line) brain weight. The mice from H-line learn the food-searching reaction more rapidly than those from L-line. In 1st presentation of the extrapolation task, the percentage of right solvings by mice from H- and L-lines does not differ from the 50% expected for the random alternative choice. In subsequent presentations, the percentage of right solvings steadily increases in both lines, and taken over all presentations significantly exceeds the 50% random level, while the mean time of performance gradually grows shorter. No difference is observed between H- and L-lines in solving the extrapolation task or in learning this practice, in contrast to a noticeable superiority of H-line in learning a simple motor reaction.

This publication has 2 references indexed in Scilit: