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Which of the following would be a result of sensory adaptation?
  • A
    Continuing to smell smoke for some minutes after it has first been noticed.
  • B
    The Coriolis illusion.
  • C
    The Ponzo illusion.
  • D
    A graveyard spin.

Refer to figure.

GRAVEYARD SPIRAL

“The Graveyard Spin” is a term used to describe the result of an incorrect recovery from a spin caused by the Somatogyral Illusion, where the semi-circular canals in the inner ear can only detect angular accelerations and no constant rotation.

After about 20 seconds, the endolymph within the semicircular canal is moving at the same rate as the head, the cupula is no longer deflected and the feeling of rotation ceases (sensory adaptation). The pilot has the impression of flying straight and level.

Note: Sensory adaptation is a reduction in sensitivity to a stimulus after constant exposure to it.

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