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Related Concept Videos

Long-term Depression01:05

Long-term 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 Depression01:03

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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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Freezing Point Depression and Boiling Point Elevation03:12

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The boiling point of a liquid is the temperature at which its vapor pressure is equal to ambient atmospheric pressure. Since the vapor pressure of a solution is lowered due to the presence of nonvolatile solutes, it stands to reason that the solution’s boiling point will subsequently be increased. Vapor pressure increases with temperature, and so a solution will require a higher temperature than will pure solvent to achieve any given vapor pressure, including one...
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Depressants01:28

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Depressant drugs, including alcohol and sedative-hypnotics, diminish central nervous system activity by enhancing the action of gamma-aminobutyric acid (GABA), a neurotransmitter that reduces brain activity and promotes relaxation. These substances can have various therapeutic uses but also pose significant risks, especially when misused or combined.
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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

Depressive Disorders: Etiology

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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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Related Experiment Video

Updated: Jan 31, 2026

An Orthotopic Resectional Mouse Model of Pancreatic Cancer
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Depression and pancreatic cancer.

Andrew D Boyd1, Michelle Riba

  • 1Department of Psychiatry, University of Michigan Depression Center, University of Michigan Medical School, Ann Arbor, Michigan, USA.

Journal of the National Comprehensive Cancer Network : JNCCN
|January 24, 2007
PubMed
Summary

Depression is frequently observed in patients with pancreatic cancer, with prevalence increasing when mild cases are included. This review examines the literature on the link between pancreatic cancer and depression.

Area of Science:

  • Oncology
  • Psychiatry
  • Medical Humanities

Background:

  • Pancreatic carcinoma and depression are frequently coexisting conditions.
  • The precise relationship and prevalence remain incompletely understood.
  • A clinical observation suggests depression often precedes pancreatic cancer diagnosis.

Purpose of the Study:

  • To review existing literature on the association between pancreatic carcinoma and depression.
  • To explore the prevalence of depression in patients diagnosed with pancreatic cancer.

Main Methods:

  • Literature review of published studies.
  • Analysis of research examining the link between pancreatic cancer and depression.

Main Results:

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  • Published studies indicate a high prevalence of depression among pancreatic cancer patients.
  • Including mild depression alongside major depression significantly increases observed prevalence.

    • Conclusions:

    • The association between pancreatic cancer and depression is well-documented.
    • Further understanding of this comorbidity is warranted.