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Association between clinical manifestations and injury localization.
| Alien hand type | Damaged cerebral area | Clinical manifestations |
|---|---|---|
| Frontal | Supplementary motor area | Groping |
| Cingulate gyrus | Grasping | |
| Callosal | Corpus callosum | • Inter-manual conflict (non-dominant hand) |
| • Autocriticism (the patient's reaction to the alien hand behaviour) |
Information from Brainin et al (17).
