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Related Concept Videos

Depressive Disorders: MDD and Dysthymia01:27

Depressive Disorders: MDD and Dysthymia

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Depressive disorders are a group of mental health conditions characterized by pervasive feelings of sadness, diminished pleasure in life, and a significant impact on daily functioning. These conditions are most prevalent in individuals during their 30s and affect women at twice the rate of men. Contrary to popular belief, younger individuals are generally more susceptible to these disorders than older adults. Two key types of depressive disorders include Major Depressive Disorder (MDD) and...
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Depression: Overview01:18

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Depression is a prevalent mental illness marked by persistent sadness and lack of interest in previously enjoyable activities. It can take several forms, including major depression, persistent depressive disorder, and bipolar I and II disorders. Symptoms range from emotional changes like chronic worry to physical changes like sleep disturbances and suicidal thoughts. From a neurobiological perspective, depression is believed to be triggered by abnormalities in the brain's prefrontal cortex,...
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Depressive Disorders: Etiology01:27

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Depressive disorders result from a complex interplay of biological, psychological, and sociocultural factors, each contributing uniquely to the development and persistence of the condition. Understanding these factors provides critical insight into the multifaceted nature of depression.
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Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
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Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
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Bipolar Disorder01:30

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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.
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Related Experiment Video

Updated: Dec 11, 2025

The Multiple Sclerosis Performance Test MSPT: An iPad-Based Disability Assessment Tool
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Current perspectives on co-morbid depression and multiple sclerosis.

Scott B Patten1

  • 1Department of Community Health Sciences, University of Calgary , Calgary, AB, Canada.

Expert Review of Neurotherapeutics
|August 18, 2020
PubMed
Summary
This summary is machine-generated.

Depression is common in multiple sclerosis (MS) and impacts quality of life. Effective management requires considering general depression treatment principles alongside limited MS-specific trial data.

Keywords:
Depressiondepressive disordersdepressive symptomsmajor depressiontreatment

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Clinical Medicine

Background:

  • Depression frequently co-occurs with multiple sclerosis (MS).
  • Untreated depression negatively affects quality of life, daily functioning, and MS progression.
  • Limited randomized controlled trials (RCTs) exist for treating depression in MS patients.

Purpose of the Study:

  • To review current literature on depression in MS.
  • To emphasize the clinical utility of available information for managing depression in MS.
  • To integrate general depression treatment principles into neurotherapeutics for MS.

Main Methods:

  • Summarizing existing literature on depression in MS.
  • Analyzing published therapeutic trials.
  • Incorporating general principles of depression management.

Main Results:

  • Existing RCT evidence for MS depression treatment is scarce and often inadequate.
  • General depression treatment guidelines offer valuable insights.
  • Differential diagnosis is crucial due to varied depression presentation in MS.

Conclusions:

  • Management of depression in MS should prioritize broader evidence-based depression treatment strategies.
  • Clinical utility of information extends beyond limited MS-specific RCTs.
  • Guiding principles for depression management are essential for individuals with MS.