Vision is not the only sense for which they can be explicitly recognizable differences between sensation and perception. Speech recognition is another. Newborn Japanese children can tell the difference between “l” and “r”, but Japanese adults cannot. Japanese adults have learned (untrained themselves) not to decipher the difference because it does not matter in their language. Even though the auditory signal (sensation) may be carrying an “l” and an “r” sound, the brain will interpret both as “l” (perception)—both sounds will be heard by the Japanese as “l” (Wolfe et al., 2006). Here too, sensation and perception are different and both are largely outside of our control. Japanese adults may train themselves to hear the “l” and “r” as distinct, but it needs pro-active training to hear the difference.