Which of the following best describes the behavior of a gated channel A: It stays open continuously when stimulated. B: It opens more frequently in response to a given stimulus. C: It opens more widely as the stimulus becomes stronger. D: It remains closed if unstimulated.

If, after doing many conditioning trials, a researcher presents the conditioned stimulus but DOES NOT follow it with the unconditioned stimulus, the research is likely examining _______.

The patients with phobia have fearful emotion and avoidance behavior when facing the fear stimulus.

The movement of a microorganism or cell in response to a chemical stimulus is termed _____.

A．stimulusB．incentiveC．conduciveD．boost A: stimulus B: incentive C: conducive D: boost

6. Scientists say that kids can pick a foreign language quickly only if they are provided with enough language stimulus.

The patients with phobia have fearful emotion and avoidance behavior when facing the fear stimulus. A: 正确 B: 错误

What is the inhibition of inappropriate natural responses to a stimulus after repeated exposures called?

There seemed to be no motive for the murder. A: reason B: argument C: target D: stimulus

There is little or no incentive to adopt such measures. A: measure B: aim C: intention D: stimulus