A professor always makes a point of learning the names of al…

A professor always makes a point of learning the names of all the students in their class. Normally they are able to do this in their head, but has recently found that they need note cards to help remember. This change in behavior is best described as __________.

Two-year-old Idan’s parents recently bought  an aquarium and…

Two-year-old Idan’s parents recently bought  an aquarium and have begun to point at the tanks and saying “fish.” Despite having only heard the word “fish” a few times, Idan comes to understand the term refers to all of the moving things in the tank. Idan’s behavior is best explained by ______________.