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Related Concept Videos

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.
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If over time, all...
Long-term Depression01:05

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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.
Role of Hippocampus in Memory01:19

Role of Hippocampus in Memory

The hippocampus, a critical brain structure, plays an essential role in memory processing, particularly in the formation and retrieval of memory. This small, seahorse-shaped region is located within the medial temporal lobe, with one hippocampus in each brain hemisphere. Experimental studies involving lesions in the hippocampi of rats have demonstrated significant impairments in tasks such as object recognition and maze navigation, indicating the hippocampus involvement in both recognition and...
Long-term Potentiation01:35

Long-term Potentiation

Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre- and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
Long-term Potentiation01:25

Long-term Potentiation

Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
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Neurotransmitters01:31

Neurotransmitters

Neurotransmitters are essential chemical messengers within the nervous system, facilitating the communication between neurons. These chemical messengers, varying in function and effect, are critical for sustaining various aspects of neurological health and emotional well-being.

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Related Experiment Video

Updated: Jul 3, 2026

Investigating Long-term Synaptic Plasticity in Interlamellar Hippocampus CA1 by Electrophysiological Field Recording
14:27

Investigating Long-term Synaptic Plasticity in Interlamellar Hippocampus CA1 by Electrophysiological Field Recording

Published on: August 11, 2019

Estrogen and hippocampal synaptic plasticity.

Michael Foy1, Michel Baudry, Richard Thompson

  • 1Department of Psychology, Loyola Marymount University.

Neuron Glia Biology
|July 19, 2008
PubMed
Summary
This summary is machine-generated.

Estrogen influences brain function and neuroplasticity. Research explores its rapid effects on nerve cell structure and communication, impacting synaptic plasticity and neuroprotection.

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Related Experiment Videos

Last Updated: Jul 3, 2026

Investigating Long-term Synaptic Plasticity in Interlamellar Hippocampus CA1 by Electrophysiological Field Recording
14:27

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Published on: August 11, 2019

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11:29

Investigation of Synaptic Tagging/Capture and Cross-capture using Acute Hippocampal Slices from Rodents

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14:57

Preparation of Acute Hippocampal Slices from Rats and Transgenic Mice for the Study of Synaptic Alterations during Aging and Amyloid Pathology

Published on: March 23, 2011

Area of Science:

  • Neuroscience
  • Endocrinology

Background:

  • Growing interest in estrogen's effects on neural function.
  • Early studies suggested estrogen therapy might prevent Alzheimer's disease, but later trials yielded mixed results.

Purpose of the Study:

  • Review evidence on estrogen's rapid effects on neuroplasticity.
  • Examine molecular mechanisms of estrogen action in brain tissue.

Main Methods:

  • Analysis of experimental and clinical research.
  • Focus on laboratory studies investigating neuroplasticity mechanisms.

Main Results:

  • Estrogen rapidly affects synaptic plasticity mechanisms.
  • Evidence examined includes hippocampal excitability and long-term potentiation/depression.

Conclusions:

  • Estrogen plays a role in modulating synaptic plasticity.
  • Further research is needed to understand its molecular actions in the brain.