Which of the following are responsible for acting as a facilitator of communication between neurons?

Which of the following statements most closely represents Hobson and McCarley's activation-synthesis model of dreaming?

a. Dreams originate with an unconscious wish or motive. b. Dreams result from neural signals in the brain stem that stimulate areas of the brain's cortex. c. A dream will occur only if a person has an unresolved conflict or problem. d. Latent content is more important than manifest content in the interpretation of dreams.

The loudness of a sound seems to depend on ________

a. how rapidly the neurons in the ear fire when they are activated b. the frequency of the sound wave c. the quality of the sound wave d. how many neurons are activated