Clinical features of focal cortical brain lesions in a right-handed individual

Frontal, either:  
Intellectual impairment, 

Personality change, 

Urinary incontinence, 

Monoparesis or hemiparesis,

Frontal, left: 
Broca's aphasia 

Temporoparietal, left: 
Acalculia, 

Alexia, 

Agraphia, 

Werneke's aphasia, 

Right-left disorientation, 

Homonymous field defect

Temporal, right:  
Confusional states, 

Failure to recognize faces, 

Homonymous field defect, 

Parietal, either: 
Contralateral sensory loss or neglect,  

Agraphaesthesia, 

Homonymous field defect

Parietal, right:
 

Dressing apraxia, 

Failure to recognize faces 

Parietal, left:
 

Limb apraxia 

Occipital / occipitoparietal: 
Visual field defects, 

Visuospatial defects, 

Disturbances of visual recognition 


#Cortex #Cortical #Lesion #Localization #Symptoms #Signs #Diagnosis #Neurology