Nobuhiko Kametani

We don’t have enough information about this author to calculate their statistics. If you think this is an error let us know.
Learn More
According to the Japan Vending Machine Manufacturers Association (J V M A), the number of installed vending machines and automatic service equipment in Japan has exceeded 5.6 million units, and annual sales of a variety of sold merchandise and offered service has exceeded 7.1 trillion yen. On average, there is one vending machine per 23 Japanese people and(More)
Six rats were trained with food deliveries contingent upon their pressing a lever and holding it down for fixed, cumulative durations. Hold requirements were varied from 7.5 seconds to 120 seconds. Lever holding was maintained reliably at hold requirements as long as 30 seconds to 105 seconds for different rats. At longer hold requirements, lever holding(More)
Six rats were trained with food deliveries contingent upon their pressing a lever and holding it down for either fixed or variable cumulative durations. Fixed-hold requirements ranged from 15 s to 90 s over experimental conditions; variable-hold requirements ranged from 15 s to 120 s. At most long and intermediate values, variable-hold requirements(More)
  • 1