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Published on: September 20, 2024
Abnormal self-location and vestibular vertigo in a patient with right frontal lobe epilepsy
Christophe Lopez1, Lukas Heydrich, Margitta Seeck
1Laboratory of Cognitive Neuroscience, Brain Mind Institute, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland. christophe.lopez@epfl.ch
Abstract:
We describe the case of a 33-year-old man with complex partial seizures characterized by the feeling of being projected outside his body, including dissociation of "mind and self from body" (disembodiment), followed by vestibular vertigo due to right frontal lobe epilepsy caused by an oligodendroglioma. We distinguish the patient's ictal symptoms with respect to autoscopic phenomena (out-of-body experience, heautoscopy, autoscopic hallucinations) and vestibular phenomena of epileptic origin, and we discuss their neural origin with respect to vestibular and multisensory cortical mechanisms of bodily self-consciousness in temporoparietal and frontal cortex.
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Seizures l: Introduction
Seizures ll: Types
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Seizures: Classification
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
The Vestibular System
