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  • Electronic Resource  (2)
  • 1940-1944  (2)
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  • Electronic Resource  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    The effect of metrazol injections on the electroencephalogram (1940)
    Springer
    Psychiatric quarterly 14 (1940), S. 43-48 
    Details
    ISSN: 1573-6709
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary 1. The electrical potentials arising from the head after metrazol injection have been recorded. On the basis of a comparison of the potentials recorded from leads taken at various locations on the head, with electromyograms and with the movements as shown by ultra-highspeed motion pictures, an attempt has been made to separate the brain potentials from potentials caused by movement and muscle action currents. 2. The overt seizure shows in all stages, from the latent period to the end of the second clonic stage, an activity of 30 cycles per second in the motor region. An activity of 10 cycles per second was recorded from occipital leads during the latent period and the tonic stage. Motor-occipital leads recorded in the latent period showed some activity of 15 to 16 and 3 to 5 cycles per second. 3. The relaxation period shows low-voltage random activity. 4. If no seizure follows the metrazol injection the following changes in the EEG may occur: a. Drop in percent-time alpha without appearance of abnormal potentials and return to normal activity within a minute. b. Appearance of random abnormal potentials with a slow return to normal activity after more than 45 minutes. c. Larval seizure after which the activity returns to normal in less than 15 minutes. The importance of this type of reaction to the theory of epilepsy has been discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01566537
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Transient organic mental reactions during shock therapy of the psychoses: A clinical study (1940)
    Springer
    Psychiatric quarterly 14 (1940), S. 457-465 
    Details
    ISSN: 1573-6709
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Recapitulating the above cases, we find that in Case 1, after two months of therapy, protracted coma followed an insulin dosage of 160 units. Previous similar dosage, with identical duration of coma, did not result in a protracted reaction following gavage. The patient had been maintained on a similar or even smaller daily insulin dosage for a considerable time prior to the protracted coma. There was consistent conformity of the electroencephalographic and psychological performances with the clinical status, all three exhibiting simultaneous improvement. In Case 2, following the fifteenth convulsive seizure, induced by 9 1/2 c.c. of metrazol, a clinically organic reaction (confusion, memory defect and disorientation) was correlated with an abnormal electroencephalogram, which became normal as the patient's clinical status returned to normal. Case 3 demonstrated the same correlation. Cases 4 and 5 revealed abnormal brain waves associated with severe memory defect.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01573126
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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