NR ZCHY

AU Ommaya,A.K.; Gennarelli,T.A.

TI Cerebral Concussion And Traumatic Unconsciousness

QU Brain 1974; 97: 633-654

PT journal article

AB A new paradigm for cerebral concussion is proposed which is not refuted by the available clinical and experimental knowledge on head injuries. It is suggested that rotational components of accelerative trauma to the head produce a graded centripetal progression of diffuse cortical-subcortical disconnexion phenomena which is always maximal at the periphery and enhanced at sites of structural inhomogeneity. The translational components of such trauma are significant for the production of focal injuries only. In this hypothesis the rostral brain-stem (mesencephalon and caudal diencephalon) is the least vulnerable part of the brain and its involvement in the paralytic coma of head injury is always associated with significant injuries to more peripheral parts of the brain. Observations on traumatic amnesias, coma and lesion distribution after head injury are shown to be consistent with the predicted pattern of relative vulnerability of brain regions in head injury.

SP englisch

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