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Symptoms will vary according to where the seizure occurs. When seizures occur in the frontal lobe, the patient may experience a wave-like sensation in the head. When seizures occur in the temporal lobe, a feeling of déjà vu may be experienced. When seizures are localized to the parietal lobe, a numbness or tingling may occur.
Occipital epilepsy can cause many seizures per day and often in multiple clusters. The seizures may also spread to other areas in the brain. Spreading of the seizures can move to the anterior regions, causing symptoms also from the frontal, temporal, and parietal lobes, and secondary hemi convulsions or convulsions. [5]
Lateral temporal lobe seizures arising from the temporal-parietal lobe junction may cause complex visual hallucinations. [2] In comparison to mesial temporal lobe seizures, lateral temporal lobe seizures are briefer duration seizures, occur with earlier loss of awareness, and are more likely become a focal to bilateral tonic-clonic seizure. [2]
Animation. Parietal lobe (red) of left cerebral hemisphere. The parietal lobe is defined by three anatomical boundaries: The central sulcus separates the parietal lobe from the frontal lobe; the parieto-occipital sulcus separates the parietal and occipital lobes; the lateral sulcus (sylvian fissure) is the most lateral boundary, separating it from the temporal lobe; and the longitudinal ...
focal seizures that may spread to adjacent areas (Jacksonian seizure) grand mal or tonic-clonic seizures; changes in personality such as disinhibition, inappropriate jocularity, rage without provocation; or loss of initiative and concern, apathy, akinetic mutism, general retardation
Epilepsies in the parietal and occipital lobes commonly propagate into the temporal lobe inducing a vertiginous state. [2] This electrical propagation across the brain explains why so many different symptoms may be associated with the vertiginous seizure.