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Updated: Aug 9, 2026

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
Published on: November 21, 2013
[Manifestations of progressive paralysis. Not a theme of the past]
Abstract:
Investigations carried out on 293 cases of progressive paralysis showed that the widely held view of a "classical form" of progressive paralysis is not applicable. Thus megalomania was found in only 13% of the patients and a manic type state in less than half. Disturbances in affectivity, drive and intellectual functions in progressive paralysis are, in general, uncharacteristic and can appear in any psychotic syndrome. Moreover, neurological symptoms taken as characteristic for progressive paralysis such as the Argyll-Robertson phenomenon or the "mimic quivering" are more the exception than the rule.
Insights
The "classical form" of progressive paralysis is not consistently observed in patients. Key symptoms like megalomania and specific neurological signs are less common than previously believed.
Area of Science:
- Neurology
- Psychiatry
Context:
- Progressive paralysis, a neurosyphilitic condition, has been historically characterized by a distinct clinical presentation.
- Previous understanding suggested a uniform
- classical form
- of the disease.
Purpose:
- To investigate the prevalence of specific clinical and neurological signs in a large cohort of progressive paralysis patients.
- To challenge the notion of a singular
- classical form
- of progressive paralysis.
Summary:
- A study of 293 progressive paralysis cases revealed significant variability in symptom presentation.
- Megalomania occurred in only 13% of patients, and manic states in less than half.
- Commonly cited neurological signs like the Argyll-Robertson phenomenon were exceptional rather than typical.
Impact:
- This research suggests that the clinical manifestations of progressive paralysis are more diverse than previously assumed.
- It highlights that affective, drive, and intellectual disturbances are uncharacteristic and can occur across various psychotic syndromes.
- The findings necessitate a re-evaluation of diagnostic criteria and understanding of progressive paralysis's spectrum.
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