Brain is modulated by neuronal plasticity during postnatal development
Masoumeh Kourosh-Arami1, Nasrin Hosseini2, Alireza Komaki3
1Department of Neuroscience, School of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran. kourosharami.m@iums.ac.ir.
The Journal of Physiological Sciences : JPS
|November 18, 2021
Summary
Neuroplasticity enables the brain to adapt by changing neural structures and functions. This review explores homosynaptic and heterosynaptic plasticity, focusing on excitatory and inhibitory synaptic inputs and their roles in brain development.
Area of Science:
- Neuroscience
- Neurobiology
- Synaptic Plasticity
Background:
- Neuroplasticity is the brain's capacity to modify structure and function in response to stimuli.
- The mechanisms by which plastic neural systems maintain equilibrium remain unclear.
- Altered brain dynamics under various plasticity rules require further investigation.
Purpose of the Study:
- To review research on homosynaptic and heterosynaptic neuroplasticity.
- To examine synaptic plasticity mechanisms at excitatory and inhibitory synapses during development.
- To understand how synaptic plasticity influences brain equilibrium.
Main Methods:
- Systematic literature review of articles published since 1988.
- Searches conducted on PubMed, Google Scholar, and Science Direct databases.
- Keyword-based search paradigm focusing on neuroplasticity and synaptic mechanisms.
Main Results:
- Extensive evidence supports key plasticity types: long-term potentiation (LTP) and long-term depression (LTD).
- Findings confirm LTP and LTD at excitatory and inhibitory postsynaptic potentials (EPSPs and IPSPs).
- The review consolidates understanding of synaptic plasticity's role in brain adaptation.
Conclusions:
- Homosynaptic and heterosynaptic plasticity are crucial for neural adaptation.
- Synaptic plasticity mechanisms at excitatory and inhibitory synapses are vital during brain development.
- Further research is needed to fully elucidate the maintenance of brain equilibrium through plasticity.
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