Related Experiment Video
Updated: Aug 9, 2026

Three Dimensional Vestibular Ocular Reflex Testing Using a Six Degrees of Freedom Motion Platform
Published on: May 23, 2013
Psychotic symptoms preceding ocular deviation in a patient with tardive oculogyric crises
1Neuropsychiatric Institute, Prince Henry Hospital, Little Bay, New South Wales.
Abstract:
This report describes a patient with schizophrenia who developed episodes of ocular dystonia as a delayed side effect of neuroleptic medication. Each episode was preceded and accompanied by marked agitation, stereotypic behaviour and exacerbation of hallucinations. Both the psychotic and dystonic symptoms responded to anticholinergic medication. The theoretical and practical implications of this observation are discussed.
Insights
Ocular dystonia, a delayed side effect of neuroleptic medication, occurred in a schizophrenia patient. Anticholinergic drugs effectively treated both the psychotic and dystonic symptoms, suggesting a link between these conditions.
Area of Science:
- Neuroscience
- Psychiatry
- Pharmacology
Background:
- Schizophrenia is a chronic mental disorder often treated with neuroleptic medications.
- Neuroleptic medications can cause various side effects, including movement disorders.
Observation:
- A patient with schizophrenia experienced delayed-onset ocular dystonia after neuroleptic treatment.
- Episodes of ocular dystonia were associated with increased agitation, stereotypic behaviors, and worsening hallucinations.
Findings:
- The patient's psychotic symptoms and ocular dystonia responded positively to anticholinergic medication.
- This suggests a potential shared pathophysiology or treatment pathway for these distinct symptoms.
Implications:
- Highlights a rare but significant delayed side effect of neuroleptic medication.
- Suggests anticholinergic agents may be beneficial for managing specific neuroleptic-induced movement disorders in schizophrenia.
- Warrants further investigation into the relationship between psychosis and dystonia in patients on antipsychotic therapy.
More Related Videos
05:52Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
Published on: November 21, 2013
07:24Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
Published on: August 22, 2025
Related Concept Videos
Accessory Structures of the Eye
Psychosis and Antipsychotic Drugs: Overview
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...
Psychosis: Goals of Pharmacotherapy
Positive Symptoms Schizophrenia: Hallucinations and Delusions
Hallucinations
Hallucinations in...
Positive Symptoms of Schizophrenia: Hallucinations and Delusions
Thought Disorders
Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes loosely...