To save content items to your account,
please confirm that you agree to abide by our usage policies.
If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account.
Find out more about saving content to .
To save content items to your Kindle, first ensure email@example.com
is added to your Approved Personal Document E-mail List under your Personal Document Settings
on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part
of your Kindle email address below.
Find out more about saving to your Kindle.
Note you can select to save to either the @free.kindle.com or @kindle.com variations.
‘@free.kindle.com’ emails are free but can only be saved to your device when it is connected to wi-fi.
‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.
This chapter discusses the main types of eye movement paralysis resulting from brainstem lesions, and the related pathophysiology. The abnormalities are easily detected at the bedside by studying three main types of eye movements: saccades; smooth pursuit; and the vestibular ocular reflex (VOR). The chapter reviews eye movement disturbances due to cerebellar and cerebral hemispheric lesions, resulting in relatively more subtle syndromes. The stroke-related lesions that most often involve horizontal gaze are located in the cerebral hemispheres and the pons. The hemispheral lesions are most often relatively large hemorrhages or infarcts that include the lateral aspect of the frontal lobe and/or the deep basal ganglia-capsular regions. Outside the brainstem, a number of suprareticular structures, located in the cerebellum and the cerebral hemispheres, control eye movements. Damage to these structures results in saccade and/or smooth pursuit disturbances usually much more subtle than those due to brainstem lesions.