Related Experiment Video
Updated: Aug 17, 2026

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
Published on: November 21, 2013
[A prospective study of patient with schizophreniform disorder: a nosological dilemma?]
A Chinchilla Moreno1, M Vega Piñero, A Cebollada Gracia
1Servicio de Psiquiatría, Hospital Ramón Cajal, Madrid.
Abstract:
We study retrospectively 42 inpatients of the psychiatry department of the Ramón y Cajal Hospital, through a period between 1st January of 1988 and the 31st December 1993. All of them were diagnosed at discharge of schizophreniform disorder according to DSM-III R diagnostic criteria and it was in all of them the index episode of the psychosis. Sociodemographic, clinical, evolutive, and therapeutical variables are analyzed. We made a new assessment of the patients in the sample during April 1994 through a direct interview. The mean follow-up period was 4.18 years. The main results were: A predominance of male/female proportion (2/1), nearly half of the sample had emotional or psychosocial stressors previous to the episode. Previous schizoid personality traits were found in 57.1%. 11.9% had first degree relatives antecedents of schizophrenia and 19% of non-bipolar affective disorders. At follow-up 40.4% needed to be hospitalized again. It is noteworthy that 80.9% were rediagnosed during follow-up as schizophrenia.
Related Concept Videos
Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within the...
Schizophrenia
Negative and Cognitive Symptoms of Schizophrenia
Negative Symptoms
Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...
Biological Causes of Schizophrenia
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin studies.
Psychological and Sociocultural Causes of Schizophrenia
Personality Disorders: Paranoid and Schizoid
Paranoid Personality Disorder
Paranoid personality disorder is...

