An inflow of sodium causes a nerve cell to become depolarized

Babies of mothers who smoked heavily during pregnancy do NOT show which of the following characteristics?

a. being overweight b. having lower scores on tests of language and mental ability c. being more likely to be miscarried or to die soon after birth d. receiving significantly less oxygen during prenatal development

Wegner's research has led him to suggest that

a. all humans have free will. b. free will develops around age 2. c. free will develops around age 5. d. free will is an illusion.