In dichotic listening tests, subjects hear different kinds of stimuli in each ear. These tests showed that there were fewer errors made in reporting linguistic stimuli such as the syllables pa,ta, and ka when heard through an earphone on the right ear; other nonlinguistic sounds such as a police car siren were processed with fewer mistakes if heard by the left ear. These results are evidence for:________

a. Damage to Wernicke's area
b. The lateralization of language
c. The fundamental frequency of the sounds
d. Damage to Broca’s area