The ________ controls of the activity of the gamma motor system and thus regulates muscle tone

Which statement is TRUE of various types of somatosensation? a. They are produced by varied responses by a single type of receptor

b. They involve different receptors, but the spinal cord integrates the information c. They remain separate through the spinal cord, but are interpreted by a single set of cortical neurons. d. They are at least partly distinct all the way from the receptors to the cerebral cortex.

Psychosocial theory presents human development as a product of             . 

A. the culmination of human experience calculated in older adulthood B. the interaction between biological and psychological needs and societal expectations  C. infantile experiences of the id, ego, and superego D. genetic influences on personality development