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cortical sites can cause either pupillary constriction or dilation, which can either be ipsilateral, contralateral, or bilateral.88 Sites that may produce pupillary responses are found in both the lateral and medial frontal lobes, the occipital lobe, and the temporal lobe. Unilateral pupillodilation has also been reported in patients during epileptic seizures. However, the pupillary response can be eith

Supportive investigations including electroencephalograms (EEGs) and structural imaging may provide additional evidence for the diagnosis, but interpreting all these factors requires clinical skill and judgement. EEGs are often normal interictally in the adult patient with epilepsy and, conversely, on interictal traces around 20% of people have minor and irrelevant ab