• sensitivity
  • Research has shown, like songbirds, females in some species of fish show seasonal variation in auditory processing and the sensitivity of the saccule of females peaks during the breeding season. (wikipedia.org)
  • whereas
  • The lateral canal is most sensitive to spinning or rotating the head from right to left or left to right, whereas the vertically oriented canals are most sensitive to nodding the head up or down or flexing the head to the right or left shoulder and back again. (evolutionnews.org)