Concussion.

Abstract:

:We have observed the effects of concussion on nonanesthetized rats and humans. We believe the phenomenon in both to be identical. There are four obvious stages to concussion and the recovery therefrom: fourth stage--visceral (respiratory) and somatic immobility; third stage--return of irregular visceral (respiratory) mobility with continuing somatic immobility; second stage--normal visceral mobility with impaired somatic mobility; and first stage--normal somatic mobility with impaired performance. Zero stage is complete normality. Our method of testing detects no lingering or permanent change after a single concussion. This proves only that we must continue with open minds on the question, "Does concussion always leave permanent brain damage?"

journal_name

Mayo Clin Proc

journal_title

Mayo Clinic proceedings

authors

Parkinson D

subject

Has Abstract

pub_date

1977-08-01 00:00:00

pages

492-6

issue

8

eissn

0025-6196

issn

1942-5546

journal_volume

52

pub_type

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