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Related Concept Videos

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Psychosis: Goals of Pharmacotherapy

Antipsychotic drugs are a crucial treatment method for acute and chronic psychoses, bipolar illness, and behavioral disorders. The selection of these drugs depends on several factors, including the state of the disease, clinical judgment, possible drug interactions, and the patient's sensitivity to adverse effects. In immediate scenarios, such as delirium and dementia, short-term treatment with low doses of high-potency typical or atypical agents can effectively manage symptom exacerbation. For...
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Understanding seizures and epilepsy relies on key definitions that help in recognizing, classifying, and managing these disorders. These definitions provide a framework for recognizing, classifying, and managing seizure disorders.DefinitionsA seizure is a sudden, abnormal burst of electrical activity in the brain that can cause changes in awareness, movement, sensation, or behavior, depending on the area involved. Epilepsy is a chronic condition characterized by recurrent, unprovoked seizures,...
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Related Experiment Video

Updated: Jun 21, 2026

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study
07:30

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study

Published on: August 18, 2020

[Postictal psychosis].

B de Toffol1

  • 1Clinique neurologique, CHU Bretonneau, Tours, France. detoffol@med.univ-tours.fr

Revue Neurologique
|August 18, 2009
PubMed
Summary
This summary is machine-generated.

Postictal psychosis, a syndrome in epilepsy patients, involves psychotic states following seizures, often linked to anticonvulsant withdrawal. Symptoms typically resolve within a week, even without medication.

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Area of Science:

  • Neurology
  • Psychiatry
  • Neuroscience

Context:

  • Epilepsy is frequently associated with psychiatric comorbidities.
  • Psychotic states in epilepsy patients share pathophysiological mechanisms with the underlying epileptic disorder.
  • Postictal psychosis is a distinct syndrome occurring after seizure activity.

Purpose:

  • To describe the phenomenology, temporal relationship, and potential triggers of postictal psychosis.
  • To review the diagnostic features, including EEG and MRI findings.
  • To discuss the clinical course and treatment outcomes of postictal psychosis.

Summary:

  • Postictal psychosis presents with sudden onset psychotic symptoms, including mood changes, delusions, and hallucinations, following complex partial or generalized seizures.
  • A lucid interval of 2-120 hours is characteristic, and symptoms may arise from anticonvulsant withdrawal during video-EEG monitoring.
  • EEG abnormalities and mesial temporal sclerosis on MRI are common findings in affected patients.

Impact:

  • Provides a comprehensive overview of postictal psychosis for clinicians and researchers.
  • Highlights the link between epileptic activity and psychosis, aiding in differential diagnosis.
  • Informs management strategies and underscores the importance of neuroimaging and EEG in diagnosis.