Sentence examples for pressing lever from inspiring English sources

Following acquisition of sucrose consummatory behavior, subjects quickly learned (<3 days) an operant response by lever pressing (Lever) to receive sucrose reinforcement.

Most animal psychology uses overt actions – things like pressing levers – as measures.

Many studies have shown rats and monkeys will neglect food and drink in favour of pressing levers to obtain morphine (the lab form of heroin).

They will be strapped into restraint chairs and forced to perform behavioral tasks like pressing levers or touching a computer screen in response to visual stimuli.

Dominant pigs were found to do most of the lever pressing, but lever-press frequency declined in all pigs with increasing test duration, possibly because of satiation effects (Baldwin and Meese 1979).

One lever was designated as 'active'; lever pressing on this lever resulted in the delivery of one 45 mg pellet containing 45% fat and 34% carbohydrate (F05879, 5.85 kcal/g AFE; Bioserv, San Diego, CA).

The interesting thing happens when the red light is turned on while the rat is pressing the lever: The rat begins to press it more vigorously.

Impulsive rats in the fixed consecutive number schedule test had difficulty pressing first lever more than 6 7 times before switching to the other lever, thus making mainly inefficient chains of presses to obtain food.

Basically, the rat pressing the lever with its forepaws was judged as a "correct" or an "active" press; the lever pressing or hitting by other parts of the rat body was regarded as an "incorrect" or "passive" press.

If it continued pressing the lever, every hundredth time the rat would receive another pellet.

If rats learn that pressing a lever provides sucrose pellets and later learn that eating sucrose pellets makes them ill, they will subsequently put these two pieces of information together and refrain from pressing the lever.