1. Ranck JB, Windle WF (1959). Brain damage in the monkey, Macaca mulatta, by asphyxia
    neonatorum.  Experimental Neurology 1:130-154.
  2. Sechzer JA, Faro MD, Barker JN, Barsky D, Gutierrez S, Windle WF. Development behaviors:
    delayed appearance in monkeys asphyxiated at birth.  Science. 1971 Mar 19;171(976):1173-
    5.
  3. Sechzer JA, Faro MD, Windle WF. Studies of monkeys asphyxiated at birth: implications for
    minimal cerebral dysfunction.  Semin Psychiatry. 1973 Feb;5(1):19-34.
  4. Neubuerger KT (1954) Lesions of the human brain following circulatory arrest.  Journal of
    Neuropathology and Experimental Neurology 13:144-160.
  5. Neubürger K (1937) Wernickesche Krankheit bei chronischer Gastritis.  Ein Beitrag zu den
    Beziehungen zwischen Magen und Gehirn.  Zeitschrift für die gesamte Neurologie und
    Psychiatrie 160:208-225.
  6. Gilles FH (1963) Selective symmetrical neuronal necrosis of certain brain stem tegmental
    nuclei in temporary cardiac standstill.  Journal of Neuropathology and Experimental
    Neurology 22:318-318.
  7. Gilles FH (1969) Hypotensive brain stem necrosis: selective symmetrical necrosis of
    tegmental neuronal aggregates following cardiac arrest. Archives of Pathology 88:32-41.
  8. Gellner L (1959) A Neurophysiological Concept of Mental Retardation and Its Educational
    Implications.  Chicago, IL: The Dr. Julian D. Levinson Research Foundation for Mentally
    Retarded Children, Cook County Hospital.
  9. Kanner L (1943) Autistic disturbances of affective contact.  Nervous Child 2:217-250.
  10. Moebius PJ (1888) Ueber angeborenen doppelseitige Abducens-Facialis-Laemung.  
    Münchener Medizinische Wochenschrift. 35: 91-94.
  11. Gillberg C, Steffenburg S (1989) Autistic behaviour in Moebius syndrome.  Acta Paediatrica
    Scandinavica 78:314-316.
  12. Miller MT, Stromland K. (1999) The mobius sequence: a relook. Journal of AAPOS 3:199-208.
  13. Lipson AH, Webster WS, Brown-Woodman PD, Osborn RA (1989) Moebius syndrome:
    animal model--human correlations and evidence for a brainstem vascular etiology.
    Teratology 40:339-50.
  14. Myers RE (1972) Two patterns of perinatal brain damage and their conditions of occurrence.  
    American Journal of Obstetrics and Gynecology 112:246-276.
  15. Miller JR, Myers RE (1970) Neurological effects of systemic circulatory arrest in the monkey.
    Neurology 20:715-724.
  16. Miller JR, Myers RE (1972) Neuropathology of systemic circulatory arrest in adult monkeys.  
    Neurology 22:888-904.
  17. Zimmerman HM and Yannet H (1933). Kernicterus: jaundice of the nuclear masses of the
    brain.  American Journal of Diseases of Children, 45, 740-759.
  18. Rozdilsky B and Olszewski J (1961). Experimental study of the toxicity of bilirubin in newborn
    animals. Journal of Neuropathology and Experimental Neurology, 20, 193-205.
  19. Lucey JF, Hibbard E, Behrman RE, Esquival FO, Windle WF (1964) Kernicterus in
    asphyxiated newborn monkeys.  Experimental Neurology 9:43-58.
  20. Carpenter KJ (2000) Beriberi, White Rice, and Vitamin B: A Disease, a Cause, and a Cure.
    Berkeley: University of California Press.
  21. Bini L and Bollea G (1947). Fatal poisoning by lead-benzine (a clinico-pathologic study).  
    Journal of Neuropathology and Experimental Neurology 6:271-285.
  22. Franken L (1959) Étude anatomique d'un cas d'intoxication par le bromure de méthyle. Acta
    Neurologica et Psychiatrica Belgica 59:375-383.
  23. Goulon M, Nouailhat R, Escourolle R, Zarranz-Imirizaldu JJ, Grosbuis S, Levy-Alcover MA
    (1975). Intoxication par le bromure de methyl: Trois observations, dont une mortelle.  Etude
    neuro-pathologique d'un cas de stupeur avec myoclonies, suivi pendent cinq ans.  Revue
    Neurologique (Paris) 131:445-468.
  24. Squier MV, Thompson J, Rajgopalan B. (1992) Case report: neuropathology of methyl
    bromide intoxication. Neuropathology and Applied Neurobiology 18: 579-584.
  25. Oyanagi K, Ohama E, and Ikuta F (1989). The auditory system in methyl mercurial
    intoxication: a neuropathological investigation on 14 autopsy cases in Niigata, Japan.  Acta
    Neuropathologica (Berlin). 77:561-568.
  26. Cavanagh JB, Nolan CC (1993) The neurotoxicity of alpha-chlorohydrin in rats and mice: II.
    Lesion topography and factors in selective vulnerability in acute energy deprivation
    syndromes.  Neuropathology and Applied Neurobiology 19:471-479
  27. Leigh D (1951) Subacute necrotizing encephalomyelopathy in an infant.  Journal of
    Neurology, Neurosurgery, and Psychiatry 14:216-221.
  28. Cavanagh JB, Harding BN (1994) Pathogenic factors underlying the lesions in Leigh's
    disease. Tissue responses to cellular energy deprivation and their clinico-pathological
    consequences. Brain 117(Pt 6):1357-1376.
  29. Cavanagh JB (1994) Is Purkinje cell loss in Leigh's disease an excitotoxic event secondary
    to damage to inferior olivary nuclei? Neuropathology and Applied Neurobiology 1994 20:599-
    603.
7 -  Vulnerability to metabolic disruption
Ranck & Windle (1959) noted with surprise that the
primary damage caused by asphyxia at birth in
monkeys was in the inferior colliculus, and they looked
long and hard for signs of the expected damage to
motor systems of the cerebral cortex [1].  It also came
as a surprise that the asphyxiated monkeys did not
develop cerebral palsy, only a delay in gaining motor
control with poor manual dexterity as a residual defect
[2, 3].

Ranck and Windle did not discuss the similarity of
bilaterally symmetric damage of brainstem nuclei to
Wernicke's encephalopathy as had Neubuerger
(1954) five years earlier in describing neuropathology
observed after cardiac arrest [4].  But, as noted in the
previous section, Neubuerger began his career in
Germany where he had long been interested in
Wernicke's encephalopathy not only in alcoholism but
in other medical conditions [5].  It could be said that
Ranck and Windle started a new tradition in America,
although it never gained as much attention as it
should have, perhaps because they regarded
brainstem damage as minor compared with the major
involvement of cortical motor systems associated with
cerebral palsy that they had sought to produce in
monkeys by means of sudden, total asphyxia at birth..

Gilles (1963) reported pathology similar to that
observed by Ranck & Windle in an 18-month-old
infant who died a few weeks following resuscitation
from drowning [6].  Six years later (Gilles 1969) noted
the same pattern of damage in a nine-year-old child
resuscitated after being rescued from under a
collapsed earthen bank [7].  Gilles (1963) was the first
to suggest that the brainstem pattern of damage with
prominent involvement of the inferior colliculi might
lead to developmental language delay.  Gellner
(1959) had however discussed how trauma at birth
could damage the inferior and superior colliculi, thus
might impair sensory function and lead to autistic
isolation as described by Kanner [8, 9].

Gilles did not compare the findings of Ranck and
Windle to those of Wernicke, but he did suggest that
the lesions caused by anoxia in the perinatal period
might result in developmental language disorders
such as those observed in ocular-facial diplegia
syndrome described in the German literature by
Moebius 1888. [10]  Gillberg & Steffenburg (1989) and
Miller & Stromland (1999) have since reported a high
frequency of autistic behaviors in children with Moebius
10 syndrome, and suggested that there may be a
common site of dysfunction within the brainstem [11,
12].  Lipson et al. (1989) also suggested a brainstem
etiology for Moebius syndrome [13].

Myers (1972) discovered that it was prolonged partial
insufficiency of oxygen that produced damage of
cortical motor systems and led to cerebral palsy
[14].  
Miller & Myers (1970, 1972) investigated the effects of
total and partial oxygen deprivation on adult monkeys
and found the same patterns of damage that occurred
in infant monkeys; a brief period of total asphyxia
(induced by cardiac arrest) damaged brainstem
nuclei, primarily the inferior colliculus, and longer
periods of partial circulatory insufficiency led to
damage of motor centers in the cerebral cortex
[15,
16].


Brainstem nuclei are often the primary locus of
bilirubin staining following perinatal jaundice;
Zimmerman & Yannet (1933) observed this in human
cases
[17].  Rozdilsky & Olszewski (1961) and Lucey
et al. 1964) found the inferior colliculi to be most
vulnerable to damage in investigations of kernicterus
produced in experimental animals
[18, 19].  Lucey et
al determined that bilirubin only caused damage if
preceded by an asphyxic insult.  A major consequence
of metabolic disruption is impairment of the
blood-brain barrier, with increased vulnerability to
higher than normal levels of common but potentially
toxic metabolites.  Zimmerman and Yannet pointed
out, "This differs in no way from the well known fact
that any intravital dye will localize in zones of injury,
and will leave unstained tissues which are not
damaged."

Many toxic substances also cause symmetric bilateral
damage of the brainstem nuclei of high metabolic rate.
 Carpenter (2000) pointed out that one theory of
causation of beriberi had been exposure to toxic
contaminants of rice because the polyneuritic
symptoms were similar to those caused by arsenic
poisoning
[20] .  Neubürger (1937) compared similarity
of Wernicke's encephalopathy to damage caused by
lead poisoning
[5].  Following are some examples of
Wernicke-like patterns of damage caused by toxic
substances:

Bini and Bollea (1947) reported bilateral brainstem
damage in two people who inhaled dry-cleaning fluid
fumes
[21].  Franken (1959), Goulon et al. (1975),
and Squier et al (1992) found bilateral damage in the
brainstem with most severe involvement of the inferior
colliculi in people who inhaled methyl bromide fumes

[22-24]
.  Oyanagi et al. (1989) noted prominent
damage in brainstem nuclei of the auditory system in
victims of methyl mercury poisoning
[25].  Cavanagh
and Nolan (1993) reported damage to the brainstem
nuclei of high metabolic rate in experimental poisoning
of laboratory rats and mice with alpha-chlorhydrin, a
substance under consideration as a male anti-fertility
agent
[26].  These chemical substances would appear
to be directly toxic to enzymes of aerobic metabolism
because of the sudden and catastrophic disability that
follows exposure.

Enzymes of the aerobic metabolic pathway are located
in the mitochondria of cells, and disorders of
mitochondrial energy metabolism have been found to
lead to Wernicke-like damage of the same subcortical
sites.  Leigh (1951) described this pattern of
brainstem damage in an infant who died after failure to
thrive
[27].  Leigh's syndrome, as it is now known, is
thought to be a disorder of mitochondrial enzyme
structure.  Cavanagh and Harding (1994) investigated
neuropathology in 20 victims of Leigh's syndrome and
found the brainstem nuclei of high metabolic rate to be
the primary sites of damage, especially the inferior
colliculi
[28].  Cavanagh (1994) reported cerebellar
Purkinje cell loss that appeared to be secondary to
damage of the inferior olives in 10 of the Leigh
syndrome cases
[29].
Full References
top
References
  1. Ranck JB, Windle WF
    (1959). Brain damage in the
    monkey, Macaca mulatta, by
    asphyxia neonatorum.  
  2. Sechzer JA et al. (1971)
    Development behaviors:
    delayed appearance in
    monkeys asphyxiated at
    birth.
  3. Sechzer JA et al. (1973),
    Studies of monkeys
    asphyxiated at birth:
    implications for minimal
    cerebral dysfunction.  
  4. Neubuerger KT (1954)
    Lesions of the human brain
    following circulatory arrest.  
  5. Neubürger K (1937)
    Wernickesche Krankheit bei
    chronischer Gastritis.  Ein
    Beitrag zu den Beziehungen
    zwischen Magen und
    Gehirn.
  6. Gilles FH (1963) Selective
    symmetrical neuronal
    necrosis of certain brain
    stem tegmental nuclei in
    temporary cardiac standstill.
  7. Gilles FH (1969)
    Hypotensive brain stem
    necrosis: selective
    symmetrical necrosis of
    tegmental neuronal
    aggregates following
    cardiac arrest.
  8. Gellner L (1959) A
    Neurophysiological
    Concept of Mental
    Retardation and Its
    Educational Implications.  
  9. Kanner L (1943) Autistic
    disturbances of affective
    contact.
  10. Moebius PJ (1888) Ueber
    angeborenen doppelseitige
    Abducens-Facialis-
    Laemung.
  11. Gillberg C, Steffenburg S
    (1989) Autistic behaviour in
    Moebius syndrome.
  12. Miller MT, Stromland K.
    (1999) The mobius
    sequence: a relook.
  13. Lipson AH et al. (1989)
    Moebius syndrome: animal
    model--human correlations
    and evidence for a
    brainstem vascular etiology.
  14. Myers RE (1972) Two
    patterns of perinatal brain
    damage and their
    conditions of occurrence.  
  15. Miller JR, Myers RE (1970)
    Neurological effects of
    systemic circulatory arrest
    in the monkey. Neurology
    20:715-724.
  16. Miller JR, Myers RE (1972)
    Neuropathology of systemic
    circulatory arrest in adult
    monkeys.
  17. Zimmerman HM, Yannet H
    (1933). Kernicterus:
    jaundice of the nuclear
    masses of the brain.  
  18. Rozdilsky B, Olszewski J
    (1961). Experimental study
    of the toxicity of bilirubin in
    newborn animals.
  19. Lucey JFet al. (1964)
    Kernicterus in asphyxiated
    newborn monkeys.
  20. Carpenter KJ (2000)
    Beriberi, White Rice, and
    Vitamin B: A Disease, a
    Cause, and a Cure.
  21. Bini L, Bollea G (1947).
    Fatal poisoning by lead-
    benzine (a clinico-
    pathologic study).
  22. Franken L (1959) Étude
    anatomique d'un cas
    d'intoxication par le bromure
    de méthyle.
  23. Goulon M et al. (1975).
    Intoxication par le bromure
    de methyl: Trois
    observations, dont une
    mortelle.  Etude neuro-
    pathologique d'un cas de
    stupeur avec myoclonies,
    suivi pendent cinq ans.  
  24. Squier MV et al. (1992)
    Case report:
    neuropathology of methyl
    bromide intoxication.
  25. Oyanagi K et al. (1989). The
    auditory system in methyl
    mercurial intoxication: a
    neuropathological
    investigation on 14 autopsy
    cases in Niigata, Japan.  
  26. Cavanagh JB, Nolan CC
    (1993) The neurotoxicity of
    alpha-chlorohydrin in rats
    and mice: II. Lesion
    topography and factors in
    selective vulnerability in
    acute energy deprivation
    syndromes.  
  27. Leigh D (1951) Subacute
    necrotizing
    encephalomyelopathy in an
    infant.
  28. Cavanagh JB, Harding BN
    (1994) Pathogenic factors
    underlying the lesions in
    Leigh's disease. Tissue
    responses to cellular
    energy deprivation and their
    clinico-pathological
    consequences.
  29. Cavanagh JB (1994) Is
    Purkinje cell loss in Leigh's
    disease an excitotoxic event
    secondary to damage to
    inferior olivary nuclei?