The Nun Study found that a very strong predictor of Alzheimer's disease was:

When first exposed to a stimulus, our sensory receptors tend to respond strongly. However, if the stimulus remains unchanged, the activity of the receptors tends to decrease. This process is called ________________

A) selective attention B) top-down processing C) sensory adaptation D) transduction

Which of the following is a type of play that demonstrates cognitive development consistent with the stages identified by Piaget?

A) Isolatory play B) Substitute pretend play C) Enigmatic play D) Creative exploratory play