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A Neurobehavioral Disorder

Joel R. Saper, MD
From the Michigan Head Pain & Neurological Institute, Ann Arbor.

Arch Neurol. 2000;57:1776-1778.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

CHRONIC headache is present in most patients with postconcussional syndrome, and at least a transient headache is nearly a universal symptom following mild to moderate head injury. In my view, there currently exists a substantial body of data that support the neurobiological basis of chronic posttraumatic headache. Here are some of the key elements that support this position.

• The selective vulnerability to head-traumatic injury and sequelae may be explained in part by genetic, gender-related, or neuroanatomical factors, or principles of physics.

Differences in traumatic force, angle direction, and rotational factors, as well as neuroanatomical relationships (such as size of foramen magnum or head and neck position), may be critical. For example, experimental acceleration or deceleration injuries from rotational forces are more likely to cause brain injury than are nonrotational assaults.^1-6

Moreover, in the end it may not be so much what happens to the head, . . . [Full Text of this Article]

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