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Long-term potentiation (LTP) is a persistent increase in synaptic strength following high-frequency stimulation of a chemical synapse. Studies of LTP are often carried out in slices of the hippocampus, an important organ for learning and memory. In such studies, electrical recordings are made from cells and plotted in a graph such as this one.
In August 2020 scientists reported that bi-directional connections, or added appropriate feedback connections, can accelerate and improve communication between and in modular neural networks of the brain's cerebral cortex and lower the threshold for their successful communication. They showed that adding feedback connections between a resonance ...
These two omega-3 fatty acids are known to improve neuron function, reduce inflammation and improve neuroplasticity—all contributing to better cognitive health."
Here, each circular node represents an artificial neuron and an arrow represents a connection from the output of one artificial neuron to the input of another. In machine learning , a neural network (also artificial neural network or neural net , abbreviated ANN or NN ) is a model inspired by the structure and function of biological neural ...
The neuronal circuitry affected by LTP/LTD and modified by scaling and metaplasticity leads to reverberatory neural circuit development and regulation in a Hebbian manner which is manifested as memory, whereas the changes in neural circuitry, which begin at the level of the synapse, are an integral part in the ability of an organism to learn.
Spike-timing-dependent plasticity (STDP) is a biological process that adjusts the strength of connections between neurons in the brain.The process adjusts the connection strengths based on the relative timing of a particular neuron's output and input action potentials (or spikes).
Synaptic scaling is a post-synaptic homeostatic plasticity mechanism that takes place with changes in the quantity of AMPA receptors at a post-synaptic terminal (the tip of the dendrite belonging to the post-synaptic neuron that meets with the tip of an axon belonging to the pre-synaptic neuron) of a neuron.
Synaptic cell adhesion molecules (CAMs) play a crucial role in axon pathfinding and synaptic establishment between neurons during neurodevelopment and are integral members in many synaptic processes including the correct alignment of pre- and post-synaptic signal transduction pathways, vesicular recycling in regards to endocytosis and exocytosis, integration of postsynaptic receptors and ...