Localising value of auras
Aura | Localisation |
Somatosensory | |
Marching sensory aura | Primary sensory cortex |
Tingling, numbness | Primary or secondary somatosensory cortex, supplementary motor area, insula |
Pain/ warmth | Secondary somatosensory cortex, insula |
Visual aura | |
Elementary (lights, shapes) | Primary visual cortex |
Illusions/ distortions | Temporo-parieto-occipital |
Complex visual hallucinations | Temporal |
Auditory | |
Elementary | Heschl’s gyrus, superior temporal |
Illusions/distortion | Lateral temporal, insula |
Other | |
Gustatory | Insula, mesiotemporal |
Olfactory | Insula, mesiotemporal, orbitofrontal |
Vestibular | Posterior temporal, parietal |
Autonomic | Insula, amygdala, cingulate |