Ltp psychology definition Video
Long-Term Potentiation (LTP) (Intro Psych Tutorial #78) ltp psychology definition.Welcome to Scribd!
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Synaptic plasticity is the ability of the brain to be dynamic, where synaptic connections may be made stronger or weaker to promote memory formation, which are key components for learning and memory. When studying synaptic plasticity, scientists frequently assess long-term potentiation LTP. Memories are thought to be encoded in neurons by increases in the frequency they fire at synaptic strength. This synaptic plasticity, in other words, is a change from normal firing to a persistent stronger firing between neurons and is known as Ltp psychology definition 2.
This effect can be induced in a lab continue reading and is most commonly demonstrated in the hippocampus, an area of the brain critical for consolidating short-term memories into long-term memories. Neuroscientists commonly use methods like the ones described in Vasquez, et al. They insert electrodes into the region of interest, in this case the CA1 region of the hippocampus, and with these electrodes they record neuronal activity. Since neurons in the CA3 region synapse ltp psychology definition onto neurons in the CA1, they can measure how neurons in CA1 have a higher frequency of firing as a result of the electrical stimulation, and therefore invoke LTP.
Figure 1.
Simplified schematic of long-term potentiation in the hippocampus. After high-frequency stimulation of the CA1 post-synapse by the CA3 pre-synapse, more AMPA receptors are recruited to the post-synapse, the NMDA receptors open, and a molecular cascade initiates, strengthening the synapse.
This is a process critical to learning and memory. Created with BioRender.]
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