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Figure 2: Cartoon [top row]—demonstrating the concordance between the actual and estimated gravitational signals processed by the vestibulocerebellum. Cartoon [bottom row]—demonstrating the discordance between the actual and estimated gravitational signals processed by the vestibulocerebellum. This leads to a “bias” and altered rotational feedback toward the naso-occipital line hat produces apogeotropic nystagmus on either side and may also produce a supine or sitting ipsilesional spontaneous horizontal nystagmus

Figure 2: Cartoon [top row]—demonstrating the concordance between the actual and estimated gravitational signals processed by the vestibulocerebellum. Cartoon [bottom row]—demonstrating the discordance between the actual and estimated gravitational signals processed by the vestibulocerebellum. This leads to a “bias” and altered rotational feedback toward the naso-occipital line hat produces apogeotropic nystagmus on either side and may also produce a supine or sitting ipsilesional spontaneous horizontal nystagmus