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Behavioral sink. " Behavioral sink " is a term invented by ethologist John B. Calhoun to describe a collapse in behavior that can result from overpopulation. The term and concept derive from a series of over-population experiments Calhoun conducted on Norway rats between 1958 and 1962. [1] In the experiments, Calhoun and his researchers created ...
The Barnes maze. The Barnes maze is a tool used in psychological laboratory experiments to measure spatial learning and memory. The test was first developed by Dr. Carol Barnes in 1979. [1] The test subjects are usually rodents such as mice or lab rats, which either serve as a control or may have some genetic variable or deficiency present in ...
It was here that his most famous experiment, the mouse universes (the most famous of which is universe 25), was created. [1] In July 1968, four pairs of mice were introduced into the habitat. The habitat was a 9-foot (2.7 m; 110 in; 270 cm) square metal pen with 4.5-foot-high (1.4 m; 54 in; 140 cm) sides.
Duck test. A mallard, shown looking like a duck and swimming like a duck. The duck test is a frequently cited colloquial example of abductive reasoning. Its usual expression is: If it looks like a duck, swims like a duck, and quacks like a duck, then it probably is a duck. The test implies that a person can identify an unknown subject by ...
In other words, you have a distinct memory of something, like Mickey Mouse without a tail, but it turns out to be a false memory. (He does have a tail — after all, he's a mouse!) (He does have a ...
The XY sex-determination system is a sex-determination system used to classify many mammals, including humans, some insects (Drosophila), some snakes, some fish (guppies), and some plants (Ginkgo tree). In this system, the sex of an individual usually is determined by a pair of sex chromosomes. Typically, females have two of the same kind of ...
A house mouse (Mus musculus). Fear of mice and rats is one of the most common specific phobias.It is sometimes referred to as musophobia (from Greek μῦς "mouse") or murophobia (a coinage from the taxonomic adjective "murine" for the family Muridae that encompasses mice and rats, and also Latin mure "mouse/rat"), or as suriphobia, from French souris, "mouse".
A mouse rotarod apparatus. The rotarod performance test is a performance test based on a rotating rod with forced motor activity being applied, usually by a rodent. The test measures parameters such as riding time (seconds) or endurance. Some of the functions of the test include evaluating balance, grip strength and motor coordination of the ...