Journal of neurology, neurosurgery, and psychiatry
-
J. Neurol. Neurosurg. Psychiatr. · Apr 1971
Electrophysiological estimation of the number of motor units within a human muscle.
An electrophysiological method is described for estimating the numbers of motor units in the extensor digitorum brevis muscle in man. The results obtained are compared with counts of axons in the nerve to the muscle. The significance of the sizes of the evoked motor unit potentials is discussed.
-
J. Neurol. Neurosurg. Psychiatr. · Dec 1970
Effects of hyperbaric oxygen on intracranial pressure and cerebral blood flow in experimental cerebral oedema.
Increased intracranial pressure was induced in anaesthetized dogs by application of liquid nitrogen to the dura mater. Intracranial pressure and cerebral blood flow were measured, together with arterial blood pressure and arterial and cerebral venous blood gases. ⋯ When carbon dioxide failed to influence intracranial pressure or cerebral blood flow then hyperbaric oxygen had no effect. This unresponsive state was reached at high levels of intracranial pressure.