The posterior portion of the semicircular canal detects acceleration in which direction?
A) linear acceleration in the up and down directions
B) rotation of the head from side to side, as in moving the ear toward the shoulder
C) rotating the head as in saying "no"
D) moving the head up and down as in saying "yes"
E) linear acceleration in the forward and backward directions

Question

Quizplus · Accepted Answer

The posterior semicircular canal is primarily responsible for detecting head movements in the sagittal plane, such as tilting the head from side to side (moving the ear toward the shoulder). This is part of the vestibular system's role in maintaining balance and spatial orientation.

The Posterior Portion of the Semicircular Canal Detects Acceleration in Which