Which of the following is a behavioral definition of cognitive behavior?

Which of the following is a possible mechanism by which maternal smoking can influence the baby’s health?

a. Maternal smoking opens blood vessels throughout the body, flooding the placenta. b. Maternal smoking increases methylation across a wide swath of the genome. c. Maternal smoking disrupts several aspects of early brain development and leads to loss of neurons later in the pregnancy. d. Maternal smoking raises carbon monoxide and lowers oxygen levels in the fetus’s bloodstream.

If you are sleeping fewer hours than your natural sleep need, then you

a. are at risk for developing chronic sleep deprivation psychosis. b. have trained yourself to be a short sleeper. c. are building a sleep debt. d. most likely have chronic insomnia that needs to be treated.