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Related Concept Videos

Bipolar Disorder01:30

Bipolar Disorder

Bipolar disorder is a chronic mental health condition marked by significant mood fluctuations, including episodes of mania and depression. Elevated energy levels, heightened mood or irritability, impulsive behavior, reduced sleep needs, rapid speech, racing thoughts, inflated self-esteem, and distractibility characterize mania. Individuals with bipolar disorder often alternate between depressive and manic states, with periods of emotional stability lasting an average of six months to a year.
Mania and Antimanic Drugs: Overview01:24

Mania and Antimanic Drugs: Overview

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 a...
Psychosis: Goals of Pharmacotherapy01:26

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...
Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders01:27

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders

Schizophrenia is a neurodevelopmental disorder whose origins are rooted in complex genetic components. Despite our burgeoning understanding, the pathophysiology of this disorder remains incompletely deciphered.
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...
Neuroplasticity01:01

Neuroplasticity

Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
Parkinson Disease ll: Pathophysiology01:24

Parkinson Disease ll: Pathophysiology

Parkinson disease (PD) is a progressive neurodegenerative disorder primarily affecting movement, with additional non-motor features. Its pathophysiology involves complex interactions among genetic susceptibility, environmental exposures, and cellular dysfunction, including dopaminergic neuron loss, protein aggregation, and mitochondrial impairment.Selective NeurodegenerationA key feature is the degeneration of dopaminergic neurons in the substantia nigra pars compacta, leading to reduced...

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Related Experiment Video

Updated: May 22, 2026

Developing a Rat Model for Bipolar Disorder
04:42

Developing a Rat Model for Bipolar Disorder

Published on: May 2, 2025

Neuroprogression in bipolar disorder.

Marguerite Reid Schneider1, Melissa P DelBello, Robert K McNamara

  • 1Physician Scientist Training Program, Neuroscience Graduate Program Department, University of Cincinnati College of Medicine, Cincinnati, OH 45219-0516, USA.

Bipolar Disorders
|May 29, 2012
PubMed
Summary
This summary is machine-generated.

Neuroimaging studies suggest developmental and progressive brain changes in bipolar disorder. More longitudinal research is needed to understand these neurodevelopmental and neurodegenerative processes.

Related Experiment Videos

Last Updated: May 22, 2026

Developing a Rat Model for Bipolar Disorder
04:42

Developing a Rat Model for Bipolar Disorder

Published on: May 2, 2025

Area of Science:

  • Neuroscience
  • Psychiatry
  • Medical Imaging

Background:

  • Bipolar disorder's neuropathology may involve both neurodevelopmental and neurodegenerative processes.
  • Magnetic resonance imaging (MRI) has revealed structural, functional, and connectivity abnormalities in bipolar disorder.
  • Longitudinal research is limited but crucial for understanding the disorder's pathophysiology.

Purpose of the Study:

  • To review existing literature on developmental and progressive structural and functional changes in bipolar disorder.
  • To examine neuroimaging findings in individuals with and at risk for bipolar disorder.

Main Methods:

  • Conducted a literature review using MEDLINE and cross-referencing.
  • Included search terms: bipolar disorder, risk, child, adolescent, bipolar offspring, MRI, fMRI, DTI, PET, SPECT, cross-sectional, longitudinal, progressive, developmental.

Main Results:

  • Some evidence suggests developmental and progressive neurophysiological alterations in bipolar disorder.
  • Interpretation of cross-sectional study findings requires caution regarding illness exposure and age.

Conclusions:

  • Prospective longitudinal studies are essential for understanding bipolar disorder's neurodevelopmental underpinnings.
  • Further research is needed to clarify progressive changes in neural structures and pathways.