Superior Alternating Syndrome (Weber's syndrome) Contralateral deficits of facial nerve (only lower face, upper face receives bilateral input), vagus nerve and hypoglossal nerve Ipsilateral deficit of occulomotor nerve Horner's Syndrome Signs and symptoms: Structures involved Homonymous hemianopia (often upper quadrantic): Calcarine cortex or optic radiation nearby.
Bilateral homonymous hemianopia, cortical blindness, awareness or denial of blindness; tactile naming, achromatopia (color blindness), failure to see to-and-fro movements, inability to perceive objects not centrally located, apraxia of ocular movements, inability to count or enumerate objects, tendency to run into things that the patient sees and tries to avoid: Bilateral occipital lobe with possibly the parietal lobe involved.
En territorio pedicular: parte interna del pie del pedúnculo cerebral y parte anterior del núcleo rojo y de la calota.!-- Contralateral loss of pain and temperature sensations. Visual field defects (contralateral hemianopia with macular sparing).