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Related Concept Videos

Traumatic Memory01:20

Traumatic Memory

Emotionally traumatic events often lead to memories that are exceptionally vivid and enduring, sometimes persisting with remarkable clarity throughout an individual's life. A classic example of this phenomenon is a person who survives a car accident. Even years later, they may recall every detail of the event with startling accuracy — the screeching of the tires, the jarring impact, and the acrid smell of burning rubber. Such vividness contrasts sharply with how an individual remembers mundane...
Thermosensation01:43

Thermosensation

Peripheral thermosensation is the perception of external temperature. A change in temperature (on the surface of the skin and other tissues) is detected by a family of temperature-sensitive ion channels called Transient Receptor Potential, or TRP, receptors. These receptors are located on free nerve endings. Those detecting cold temperatures are closer to the surface of the skin than the nerve endings detecting warmth. These thermoTRP channels, while temperature selective, have relatively...
Long-term Depression01:05

Long-term Depression

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.
Long-term Depression01:03

Long-term Depression

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.
Calcium Ion Concentration Mechanism
If over time, all...
Depressants01:28

Depressants

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.
Alcohol is a common depressant that can induce a sense of relaxation and reduced inhibition at low doses. Contrary to its occasional...
Repressed Memory01:16

Repressed Memory

Repressed memories are a psychological phenomenon where memories of traumatic events are unconsciously blocked from a person's awareness. This process occurs as a defense mechanism, protecting the mind from the emotional impact of distressing or painful experiences. For example, a person who has experienced childhood trauma may grow up with no conscious recollection of the event. In such cases, the memories are thought to be buried deep within the subconscious, inaccessible to the conscious...

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Related Experiment Video

Updated: Jun 28, 2026

Yeast Luminometric and Xenopus Oocyte Electrophysiological Examinations of the Molecular Mechanosensitivity of TRPV4
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Yeast Luminometric and Xenopus Oocyte Electrophysiological Examinations of the Molecular Mechanosensitivity of TRPV4

Published on: December 31, 2013

Brain TRPV1: a depressing TR(i)P down memory lane?

Vincenzo Di Marzo1, Gabriella Gobbi, Arpad Szallasi

  • 1Endocannabinoid Research Group, Istituto di Chimica Biomolecolare, Consiglio Nazionale delle Ricerche, Comprensorio Olivetti, Pozzuoli, NA, Italy.

Trends in Pharmacological Sciences
|October 25, 2008
PubMed
Summary

The capsaicin receptor TRPV1 (transient receptor potential, vanilloid subfamily, member 1) has a newly discovered role in the brain, particularly in the hippocampus, impacting neuropsychiatric disorders and potentially offering new analgesic drug targets.

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Intracerebroventricular Treatment with Resiniferatoxin and Pain Tests in Mice
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Intracerebroventricular Treatment with Resiniferatoxin and Pain Tests in Mice

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Last Updated: Jun 28, 2026

Yeast Luminometric and Xenopus Oocyte Electrophysiological Examinations of the Molecular Mechanosensitivity of TRPV4
12:09

Yeast Luminometric and Xenopus Oocyte Electrophysiological Examinations of the Molecular Mechanosensitivity of TRPV4

Published on: December 31, 2013

Intracerebroventricular Treatment with Resiniferatoxin and Pain Tests in Mice
06:04

Intracerebroventricular Treatment with Resiniferatoxin and Pain Tests in Mice

Published on: September 2, 2020

Area of Science:

  • Neuroscience
  • Pharmacology

Background:

  • The capsaicin receptor TRPV1 (transient receptor potential, vanilloid subfamily, member 1) is well-established on sensory neurons, integrating noxious stimuli and serving as an analgesic drug target.
  • TRPV1's presence in the brain is confirmed, but its precise functions are still under investigation.

Purpose of the Study:

  • To explore the emerging role of hippocampal TRPV1 in neuropsychiatric disorders.
  • To investigate the implications of TRPV1 antagonism for potential therapeutic strategies.

Main Methods:

  • Review of current research on TRPV1 function in the central nervous system.
  • Analysis of hypotheses linking TRPV1 antagonism to mood regulation and anxiolytic effects.

Main Results:

  • Evidence suggests TRPV1 antagonism may have positive outcomes, such as anxiolysis.
  • High doses of cannabinoid-receptor antagonists like rimonabant may antagonize TRPV1, influencing mood.

Conclusions:

  • Brain TRPV1 receptors play an unexpected role in neuropsychiatric conditions.
  • TRPV1 antagonists are progressing in clinical trials, with brain TRPV1 blockade potentially shaping future analgesic drug development.
  • Further research is essential to fully understand the biological significance of brain TRPV1.