scholarly journals Cycloid psychoses in the psychosis spectrum: evidence for biochemical differences with schizophrenia

2016 ◽  
Vol Volume 12 ◽  
pp. 1927-1933 ◽  
Author(s):  
Noortje van de Kerkhof ◽  
Durk Fekkes ◽  
Frank van der Heijden ◽  
Witte Hoogendijk ◽  
Gerald Stöber ◽  
...  
Keyword(s):  
Cycloid Psychoses

Prognostic Validity of the Cycloid Psychoses

1990 ◽  
Vol 23 (4-6) ◽  
pp. 205-211 ◽  
Author(s):  
Helmut Beckmann ◽  
Jürgen Fritze ◽  
Mario Lanczik
Keyword(s):  
Cycloid Psychoses

The Clinical Distinction between the Affective Psychoses and Schizophrenia

1970 ◽  
Vol 117 (538) ◽  
pp. 261-266 ◽  
Author(s):  
R. E. Kendell ◽  
Jane Gourlay
Keyword(s):  
Turn Of The Century ◽  
Dementia Praecox ◽  
Mixed States ◽  
Defence Mechanisms ◽  
Mood Change ◽  
Psychiatric Classification ◽  
Manic Depressive Psychosis ◽  
Manic Depressive ◽  
Cycloid Psychoses ◽  
Affective Symptoms

The distinction between schizophrenic and affective illnesses has been one of the cornerstones of psychiatric classification ever since Kraepelin introduced the twin concepts of dementia praecox and manic depressive psychosis at the turn of the century. It has also long been recognized that some patients have both schizophrenic and affective symptoms, and various interpretations have been placed on these mixed states. To some continental psychiatrists they constitute a third group of psychoses distinct from both schizophrenia and manic-depressive psychosis—the degeneration psychoses of Kleist or the cycloid psychoses of Leonhard. By others they are regarded as genuine mixed states, with the implication that elements of both schizophrenia and manic depressive illnesses are contributing, perhaps because the genetic or constitutional endowment is mixed, perhaps because two alternative defence mechanisms are being utilized simultaneously. Often, however, mixed symptomatology is simply ignored, either by discounting the schizophrenic symptoms and focusing attention on the mood change, or, as most American psychiatrists do, by glossing over the affective symptoms and regarding the illness as a form of schizophrenia differing in no significant respect from other schizophrenias.

Evidence for unaltered brain electrical topography during prefrontal response control in cycloid psychoses

2005 ◽  
Vol 55 (2) ◽  
pp. 165-178 ◽  
Author(s):  
Ann-Christine Ehlis ◽  
Jürgen Zielasek ◽  
Martin J. Herrmann ◽  
Thomas Ringel ◽  
Christian Jacob ◽  
...  
Keyword(s):  
Response Control ◽  
Cycloid Psychoses

Cycloid Psychoses Revisited: Case Reports, Literature Review, and Commentary

2008 ◽  
Vol 16 (3) ◽  
pp. 167-180 ◽  
Author(s):  
Paola Salvatore ◽  
Chaya Bhuvaneswar ◽  
Daniel Ebert ◽  
Carlo Maggini ◽  
Ross J. Baldessarini
Keyword(s):  
Literature Review ◽  
Case Reports ◽  
Cycloid Psychoses

Cycloid Psychoses and Reactions

1954 ◽  
Vol 128 (5-6) ◽  
pp. 354-364 ◽  
Author(s):  
P. Polonio
Keyword(s):  
Cycloid Psychoses
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