A thermosensory neuron in the skin converts heat energy to nerve impulses via a conversion called _____.

A perception
B reception
C sensation
D sensory transduction
E integration

i would choose D

these are free nerve endings and Krause bulbs with C fibers and Alpha-delta fibers of the spinothalamic tract

transduction (translates) of these mechanoreceptors turns the stimulus into the language (electrochemical) that the brain understands through a graded potential

http://academic.cengage.com/biology/disc…