19) Noam Chomsky argued that the structure of human languages is__________ , in
contrast to B. F.
Skinners assertion that languages are__________ .
a. innate ; learned
b. learned ; universal
c. universal ; rational
d. rational ; innate
20) The primary reason why neurons are refractory for a short period after firing action
potentials, and the reason underlying the absolute refractory period, is that the
a.voltage-gated sodium channels are inactivated.
b. voltage-gated potassium channels are inactivated.
c.sodiumpotassium pump has to remove sodium ions from inside the cell.
d. sodiumpotassium pump has to retrieve potassium ions from outside the cell.
21) A patient has an injury to the optic nerves, such that the branches of each optic
nerve that normally cross to the opposite side of the brain at the optic chiasm are
severed. The remaining branches, which do not cross to the other side of the brain, are
intact. Which of the following best describes the effect of this injury on his vision?
a. He can now see only by using his right eye; his left eye is functionally blind.
b. Only information from the left visual field can enter his brain for processing.
c. Only the signal for half the visual field of each eye is processed by the brain.
d. His brain now receives visual information only from the medial half of each retina.
22) Chapins early work on a brain-machine interface (BMI) in rats used an online
population vector that matched the _________ of the rats movement.
a. direction
b. force
c. velocity
d. complexity