Patients having experienced occipital seizures described their seizure as seeing bright colors, and having severe blurred vision (vomiting was also apparent in some patients).
Subsequent attention was focused on the predominant group with occipital spikes, which was established as early onset benign childhood epilepsy with occipital paroxysms.
Although constructional apraxia can result from lesions in any part of the brain, it is most commonly associated with lesions in the parietal-occipital lobes.