cqvip:Body lateropulsion may occur without signs of vestibular dysfunction and vesti bular nucleus involvement. The authors examined 10 such patients with three-dim ensional brainstem mapping. Boody lateropulsion without limb ataxia reflected an impairment of vestibulospinal postural control caused by a lesion of the descen ding lateral vestibulospinal tract, whereas body lateropulsion with limb ataxia was probably the consequence of impaired or absent proprioceptive information ca used by a lesion of the ascending dorsal spinocerebellar tract.
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