Surroundings continue to appear to rotate after stopping spinning due to vestibular inertia
Surroundings continue to appear to rotate after stopping spinning due to vestibular inertia, which is caused by the continued movement of endolymph fluid and subsequent delayed mechanical recovery of the cupula in the semicircular canals.
The retrieved literature directly supports the physiological mechanism underlying the claim: angular head rotation causes endolymph displacement and cupular deflection driven by physical inertia, which persists briefly after the actual rotation stops, leading to post-rotational sensations of movement and nystagmus.
Anudeep Joshi, Darshan Babu, Akhilesh Hari Prakash, Chandrashekara C V. Simulation of endolymph flow for response of cupula. 2020. https://doi.org/10.21595/vp.2020.21448
Paper 8 explains that the cupula in the semicircular canal is excited and deflected by endolymph flow caused by the inertia of head movement.
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J. J. Brand. THE EFFECT OF REPETITION ON MEASUREMENTS OF POST‐ROTATIONAL TURNING SENSATION AND NYSTAGMUS IN MAN. 1968. https://doi.org/10.1113/expphysiol.1968.sp001973
Paper 4 documents post-rotational turning sensations and nystagmus resulting from deceleration after spinning.
Choi JY, Koo YJ, Song JM, Kim HJ, Kim JS. Effect of a False Inertial Cue in the Velocity-Storage Circuit on Head Posture and Inertia Perception.. 2023. https://doi.org/10.1523/jneurosci.1148-22.2023
Paper 6 discusses how the velocity-storage circuit and vestibular pathways process rotational inertia and motion perception after stopping.
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