How do diffuse and focal brain injuries differ?

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Diffuse and focal are terms used to broadly differentiate between types of traumatic brain injuries. Whereas diffuse brain injuries - such as a diffuse axonal injury - affect the entire brain, focal brain injuries - such as a cerebral contusion - affect only a specific area. Another difference is that diffuse injuries typically cannot be observed through brain imaging techniques like MRIs and CT scans. Focal brain injuries, however, are observable through brain imaging.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.