Sentence examples for two levers one from inspiring English sources

In an experiment at Johns Hopkins, in 2010, mice were confronted with two levers, one that dispensed a treat after being pressed only once, another that required fifteen presses before it released a similar snack.

For the second test, the scientists trained the rodents to use two levers, one for each treat.

They then offered the rats a choice between two levers: one that delivered a food pellet immediately and another that delivered two pellets after a delay ranging from 1 to 30 seconds.

In the experiment, 43 rats were placed in cages with two levers, one of which delivered an intravenous dose of cocaine and the other a sip of highly sweetened water.

For the visual discrimination procedure, the feeder bin was on one wall, and there were two levers on the opposite wall: one to the left of center and one to the right.

It is exposed using two Homann levers (one anterior and one posterior), and a special retractor applied to the upper cotyloid rim (Fig. 6).

For example, the monkeys might be required to pull one of two levers, rather than to touch one of two flags, to make their choice, or the matching-to-sample test might be changed to a non-matching-to-sample test.

A variable interval 180 s schedule (VI 180 s) was in effect for 90 min on one of the two levers from session 13 to session 19 when all sixteen operant chambers were used (Table 1).

A variable interval 180 s schedule (VI 180 s) was in effect for 90 min on one of the two levers from session 13 to session 40 (see Table  2 for a summary of the experimental procedure).

Finally, in the non-match to position and non-match to lever tasks, the agent is first forced to enter one of two positions or press one of two levers.

Rats were first trained to press one of two levers to obtain sucrose pellets, and then separately conditioned to associate a Pavlovian cue with free sucrose pellets.