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Related Concept Videos

Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

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Epilepsy is a chronic neurological disease marked by recurrent, unpredictable seizures. These seizures are caused by abnormal electrical discharges in the brain, leading to behavior, sensation, or consciousness alterations. They can also cause transient impairment of awareness, interfering with daily activities.
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
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Seizures: Classification01:13

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Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
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Antiepileptic Drugs: Glutamate Antagonists01:14

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Glutamate is a fundamental neurotransmitter in the central nervous system, playing a vital role in neuronal communication and various cognitive processes. Glutamate stands as the principal excitatory neurotransmitter in the brain. Its presence is crucial for the communication between neurons, underpinning essential processes such as synaptic transmission, neuronal excitability, and plasticity. These functions are vital for higher-order cognitive processes, including learning and memory. The...
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Electroconvulsive Therapy01:30

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Electroconvulsive therapy (ECT), or shock therapy, remains a critical biomedical intervention for severe, treatment-resistant depression. While its origins can be traced back to Hippocrates' observations that malaria-induced convulsions alleviated mental illness, modern ECT has evolved significantly from its earlier, more primitive applications. First introduced in 1938 by Ugo Cerletti and his colleagues, ECT involves inducing controlled seizures using electrical currents. In its early...
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Antiepileptic Drugs: GABAergic Pathway Potentiators01:18

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γ-aminobutyric acid or GABA, plays a pivotal role as an inhibitory neurotransmitter in the brain. GABA pathway potentiators, also known as GABAergic drugs, are a class of pharmaceutical agents designed to enhance the functioning of the GABAergic system. These medications primarily treat epilepsy, a neurological disorder characterized by recurrent seizures.
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Mania and Antimanic Drugs: Overview01:24

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Mania, a psychological condition characterized by elevated mood, increased energy, and reduced sleep need, is part of the bipolar disorder cycle. The exact cause of mania isn't entirely known, but it is thought to be a combination of genetic, environmental, and neurological factors. Bipolar disorder involves alternating manic and depressive episodes. Mood stabilizers like lithium, antipsychotics, and anticonvulsants help manage these episodes. Lithium carbonate is particularly effective as...
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Author Spotlight: Advancing Pediatric Epilepsy Surgery in Children Through Novel Biomarkers and Enhanced Localization
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Epilepsy and psychiatric disorders.

M R Trimble

    Acta Neuropsychiatrica
    |March 16, 2016
    PubMed
    Summary
    This summary is machine-generated.

    Epilepsy is linked to behavioral and psychotic disorders, including those occurring during or after seizures. Forced normalization, where seizure suppression causes psychosis, presents a paradox in treatment.

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    Area of Science:

    • Neurology
    • Psychiatry
    • Behavioral Science

    Background:

    • Epilepsy is frequently associated with behavioral and psychiatric disorders.
    • A distinction is made between periictal (during seizures) and interictal (between seizures) disorders.
    • This paper focuses on periictal disorders and the phenomenon of forced normalization.

    Purpose of the Study:

    • To outline the relationship between epilepsy and behavior disorders.
    • To discuss periictal disorders, including ictally driven psychoses and postictal psychoses.
    • To explore the phenomenon of forced normalization and its implications for neurology and psychiatry.

    Main Methods:

    • Literature review and synthesis of existing research on epilepsy and psychiatric comorbidities.
    • Clinical case examples and phenomenological descriptions of periictal and postictal psychoses.
    • Discussion of theoretical frameworks and management strategies for these conditions.

    Main Results:

    • Periictal disorders include ictally driven psychoses (e.g., complex partial seizure status, absence status) and postictal psychoses.
    • Postictal psychoses present a consistent clinical picture, sometimes unrecognized, with paranoid or schizophrenia-like features and clear consciousness.
    • Forced normalization describes the development of psychosis following seizure suppression, with resolution upon seizure return.

    Conclusions:

    • The relationship between epilepsy and psychiatric disorders is complex, involving various types of psychoses.
    • Postictal psychoses and forced normalization highlight the intricate interplay between seizure activity and mental state.
    • Understanding these phenomena is crucial for effective management, presenting a paradox where seizure induction treats psychosis while suppression can cause it.