In which condition does a stimulus such as color also produce another experience, such as sound?

Research on taste aversions demonstrates that

a. conditioning can occur to almost any CS. b. tastes can acquire CRs in the absence of temporal contiguity. c. taste aversion learning is most effective when the delay between the CS and US is more than 24 hours. d. nausea is largely ineffective as a US. e. taste stimuli lack a natural relation to gastric responses.

When a person is shadowing a message, he or she is

a. silently following it mentally. b. ignoring it while paying attention to another message. c. saying the message out loud. d. thinking about something closely related to the message.