20. Ranck & Windle (1959)

    1 - Sudden cutoff of respiration
    2 - Brainstem damage
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This was the first report of experimental asphyxiation of monkeys at birth.  
Recovery from immediate serious effects and later delay in motor development
were documented.  Damage to the brain was confined to the brainstem in a
pattern noted to resemble that associated with kernicterus.  Similarity to
brainstem damage in Wernicke's encephalopathy was not considered,
probably because the lesions were ischemic (due to loss of blood flow) rather
than hemorrhagic.  Alcohol and other toxic substances affect the same
brainstem centers, but cause vasodilation and subsequent hemorrhagic
damage.
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Brainstem damage
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