A 47-year-old man with a large frontoparietal lesion in the right hemisphere was asked to circle all the A's. Only targets on the right were circled. This is a manifestation of:
Left hemispatial neglect
A right hemisphere (typically parietal) lesion classically causes left hemispatial neglect, in which the patient fails to attend to or process stimuli on the left side of space, as demonstrated here by only cancelling targets on the right side of the page.
A 50-year old male presents with dizziness. Which one of the following clinical findings does NOT favour a central cause?