Suicide "hotlines" are effective in reducing the risk of suicide, but they are not a complete solution. This is because they tend not to be accessed by individuals in some high-risk groups. Which group tends to avoid using suicide hotlines?

In constraint induced movement therapy, a person's good arm is immobilized, which forces the impaired arm to become more active and to increase which of the following processes in the damaged part of his brain?

a. ablation. b. neurogenesis. c. lateralization. d. localization of function.

Which memory process lasts for up to 30 seconds without rehearsal?

a. Sensory b. Trace c. Short-term d. Long-term