which of the following is correct? a. the primary auditory cortex is located in the mesial temporal lobe (mtl) and its representation of sound frequencies is roughly continuous (like the piano keyboard). b. the primary auditory cortex is located in the mesial temporal lobe (mtl) and its representation of sound frequencies is non-continuous and counterintuitive (like the representation of body parts in the somatosensory homunculus). c. the primary auditory cortex is located in the temporal cortex and its representation of sound frequencies is roughly continuous (like the piano keyboard). d. the primary auditory cortex is located in the temporal cortex and its representation of sound frequencies is non-continuous and counterintuitive (like the representation of body parts in the somatosensory homunculus