The earliest that a newborn has a chance of surviving is ____ weeks

Which of the following nonshared environmental influences would make Dani and Tami, who are sisters, different from one another?

A) the availability of video games in the home B) having a family pet C) unique treatment by their parents D) parental modeling of cognitively challenging activities

Higher level cognitive functions, such as attention, emotion, language, and memory, are thought to be associated most closely to activity in:

a. the myelin surrounding axons b. the cell axons themselves, but not the cell bodies c. the gray matter of the brain d. the white matter in the left cerebral hemisphere