The violence and sex abuse are a kind of stimulation for the story.
A number of American zoos have already built large, naturalistic enclosures that provide stimulation for the animals, he said.
In researching her book, Ms. Ramin said she found that novelty was crucial to providing stimulation for the aging brain.
Experts said the case, presented at the annual meeting of the Society for Neuroscience in Atlanta, could revive interest in electrical stimulation for the estimated 100,000 to 200,000 Americans subsisting in states of partial consciousness.
She criticised Masters and Johnson's ideas that "thrusting" alone should provide enough stimulation for the selfish woman.
A waterfall provides auditory stimulaton for the jaguars, and visual stimulation for the viewers, and a pool contains fish, even though the zoo-raised jaguars have shown little interest in catching them so far.
"Elsewhere... barriers went down, and people reached each other who had never been in touch before," exulted Mabel Dodge, the Buffalo heiress whose salon provided material and spiritual stimulation for the many restless and needy spirits of the new bohemia.
Cyanosis results and produces a stimulation for the formation of red blood cells, leading to a form of secondary polycythemia, or abnormally high red-blood-cell level.
This can strengthen the quads, buttocks and core, providing bone stimulation for the spine and hips and shock absorption for the knees.
The installation is part of the zoo's expanding trail system, designed to provide more variety and stimulation for the animals and bring them closer to visitors.
Stimulation for the production of TNF-α was also observed.
