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Common brain lesions, by ayaalani190@gmail.com - Coggle Diagram
Common brain lesions
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Prefrontal cortex (Frontal lobe syndrome) • Anterior 2/3 of frontal lobe description of Prefrontal lesion (Phineas Gage )
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Hemispatial neglect syndrome -- Nondominant parietal cortex -- agnosia of the contralateral side of the world.
• Damage to right parietal lobe: spatial neglect Contralateral (left) agnosia Despite normal vision, somatic sensation
a. Topographic** memory loss**
b. Dressing apraxia
c. Contralateral hemianopia or lower quadrantanopia ( Pie in the floor / Baum’s Loop Lesion)
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Reticular activating system (midbrain) __Reduced levels of arousal and wakefulness, coma.
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