He needed something that would directly stimulate brain cells.

Thus, "the foot which is doing the dancing is stimulated directly."

What it does is directly stimulates the hearing nerve.

One possibility, she said, is that warmer temperatures have directly stimulated photosynthesis.

The killer also appears to be stimulated directly by human and animal sewage, which it uses for its metabolism.

In previous studies, researchers developed a neurochip that could directly stimulate and record brain cell activity.

Capital spending is usually harder to stimulate directly, although generous new depreciation allowances have already been created.

The first outbreak of urticaria can lead to others on body parts not directly stimulated, scraped, or scratched.

Ten minutes in the agonizer booth, which directly stimulated the pain center of the brain, was a virtual eternity.

These shots, called gonadotropins, directly stimulate the ovaries to produce mature eggs.