ISLE 14.4: Somatosensory PathwaysClick on the above link to work though the ISLE activity.  Once you've completed the activity, navigate back and answer the following question.The dorsal column-medial lemniscal pathways cross to the side of the body opposite a sensation at a ______ level than do the spinothalamic pathways. The dorsal column medial-lemniscal pathways cross ______.

Research demonstrates that make-believe play is

A) less frequent and rich in collectivist cultures than in individualistic cultures. B) a major means through which children extend their cognitive and social skills. C) usually initiated by toddlers rather than by their parents or older siblings. D) discovered by toddlers independently, once they are capable of representational schemes.

The source of the electrical potentials recorded from the scalp of a subject is

A) the natural flow of electrical current along the outer cell layers of skin. B) the signals generated by the contraction of muscle fibers that lie under the scalp. C) the summated activity of nerve cell action potentials and postsynaptic potentials. D) the signals generated by the activity of the sweat glands in response to stressors. E) movement of ions generated by magnetic currents.