10/05/2026
Neurological Deficits by Hemispheric Stroke1. Left-Hemispheric Stroke Pathophysiology: *****1. Left-hemispheric lesions typically result in contralateral neurological deficits affecting the right side of the body. Right-sided Hemiparesis / Hemiplegia: Contralateral motor weakness or paralysis on the right side of the body. Alexia (Acquired Dyslexia): Impairment or loss of the ability to read and comprehend written language. Agnosia: Inability to interpret sensations and to recognize things (such as objects, persons, or sounds), despite intact primary sensory modalities. Visual Field Defects: Visual changes or contralateral field deficits. ***** 2. Right-Hemispheric Stroke Pathophysiology: Right-hemispheric lesions typically result in contralateral neurological deficits affecting the left side of the body. Left-sided Hemiparesis / Hemiplegia: Contralateral motor weakness or paralysis on the left side of the body. Impaired Impulse Control: Behavioral dysregulation characterized by diminished self-control and impulsivity. Dysarthria / Slurred Speech: Motor speech disorder resulting in poor articulation and indistinct speech. Visual Field Defects: Visual changes or spatial-perceptual deficits. ***** Clinical Summary "Stroke manifestations present contralaterally depending on the affected cerebral hemisphere. While motor deficits consistently appear on the opposite side of the brain lesion, specific cognitive, linguistic, and behavioral impairments (such as language disorders or impulse dyscontrol vary according to the localized functional roles of the damaged hemisphere."
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