An Objective Test Which Differentiates Between neurotic and Psychotic Depression

Shagass, Charles

doi:10.1001/archneurpsyc.1956.02330230011001

Cited by 59 publications

(13 citation statements)

References 15 publications

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“…This point corresponds roughly to the onset of slurred speech. The results of both methods are positively related to psychopathological states, the relations being essential similar, though the sleep threshold method gives higher absolute values (Shagass 1958, Shagass & Kerenyi 1958a. The method has acceptable validity, reliability and sensitivity to fluctuations in clinical status (Kawi 1958, Shagass 1958, Shagass et al 1958.…”

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confidence: 91%

“…The method has acceptable validity, reliability and sensitivity to fluctuations in clinical status (Kawi 1958, Shagass 1958, Shagass et al 1958. This point corresponds roughly to the onset of slurred speech.…”

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confidence: 99%

“…It can be used among other things to measure the degree of manifest anxiety, differentiate between hysterical and obsessional personality trends, confirm presence of organic psychosis, differentiate chronic from acute schizophrenia (Shagass & Jones 1958). It can be used among other things to measure the degree of manifest anxiety, differentiate between hysterical and obsessional personality trends, confirm presence of organic psychosis, differentiate chronic from acute schizophrenia (Shagass & Jones 1958).…”

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confidence: 99%

“…The result of therapy is that the threshold is brought to a level corresponding to that for patients with mixed neurosis (Shagass 1958, Shagass et al 1956). The threshold is low in psychotic depression, high in neurotic depression in which there usually is predominance of anxiety.…”

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confidence: 99%

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The Sedation Threshold as a Method of Evaluating Anti‐depressive Treatments

Perris¹,

Brattemo²

1963

Acta Psychiatr Scand

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Sun11sva11 R E ICE R E N C E S Durernan, I. el a f (1960): Psychological studies of dose-response charactcristics of a new barbiturate. Unpublished paper. Univ. of Uppala. Erikssoit, I<. H . (1959): Inslruktion fdr hIhlPI. Stockholm. J e n s m , A . I ( . (l!W): The Maudslcy Personalily Invcntory. Acta Psyrhol. 14, 314--323. Kurd, A . A . (1958): The sedation threshold. A.M.A. Arch. Keurol. Psychiat. 80, 232-236. Rbberg, G. (1960): Subjektiv skattning av depressived tillstSnd och effekter av olika anti-Shagass, Ch. (1955): Anxiety, depression and the photically driven electroencephalogram. Shugass, Ch. (1958): Neurophysiological studies of anxiety and depression. Psychiatric Shugass, Ch. (1960): Drug thresholds as indicators of personality and affect. In L. Uhr depressiva behandlingar. Unpublished paper. Univ. of Uppsala. A.M.A. Arch. Keurol. Psychiat. 74, .%-lo. research reports 8. Am. Psychiat. Assoc.

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confidence: 91%

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confidence: 99%

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confidence: 99%

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confidence: 99%

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The Sedation Threshold as a Method of Evaluating Anti‐depressive Treatments

Perris¹,

Brattemo²

1963

Acta Psychiatr Scand

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“…the doses of intravenous barbiturate required to produce sedation or sleep are significantly lower in endogenous depression and higher in neurotic depression than in healthy subjects (Bojanovsky, 1969 andShagass et al, 1956).…”

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confidence: 99%

Disturbance of the 24-Hour Rhythm in Endogenous Depression and the Treatment of Endogenous Depression by Sleep Deprivation

Pflug¹,

Tölle²

1971

Int Pharmacopsychiatry

158

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The significance of the alteration in circadian rhythm in endogenous depression is discussed. 23 patients with endogenous depression, 11 patients with neurotic depression and 23 healthy subjects were deprived of sleep for one night. Those with endogenous depression responded favourably though the duration of the improvement was variable. In those with neurotic depression the response was less reliable and when it occurred the improvement was less marked. In one patient the condition was made worse. Patients with endogenous depression showed a rise in systolic bloodpressure in the ophthalmic artery following sleep deprivation. This did not occur in those with neurotic depression nor in healthy subjects. Sleep deprivation is to be recommended for the treatment of endogenous depression both in the initial stage and in later stages when the condition has proved resistant to thymoleptic agents.

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Objectivity of the Sedation Threshold

Thorpe¹,

Barker²

1957

Arch NeurPsych

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An Objective Test Which Differentiates Between neurotic and Psychotic Depression

Cited by 59 publications

References 15 publications

The Sedation Threshold as a Method of Evaluating Anti‐depressive Treatments

The Sedation Threshold as a Method of Evaluating Anti‐depressive Treatments

Disturbance of the 24-Hour Rhythm in Endogenous Depression and the Treatment of Endogenous Depression by Sleep Deprivation

Objectivity of the Sedation Threshold

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