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| Type | Commonly Affected Areas | Common Causes | Symptoms and Signs |
|---|---|---|---|
| Frontal | Supplemental motor area | Tumors | Groping |
| Cingulate gyrus | Infarction | Grasping | |
| Corpus callosum | Trauma | Utilization behavior | |
| Callosal | Corpus callosum | Callosotomy | Intermanual conflict |
| Tumors | |||
| Infarction | |||
| Posterior | Parieto-occipital cortices | Infarction | Levitation |
| Thalamus | Creutzfeld–Jakob disease | Cortical sensory deficits | |
| Corticobasal syndrome | Abnormal posturing of the limb |
