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Synaptic pruning, a phase in the development of the nervous system, is the process of synapse elimination that occurs between early childhood and the onset of puberty in many mammals, including humans. [1] Pruning starts near the time of birth and continues into the late-20s. [2]
[1] [2] [3] This phenomenon is a result of neuroplasticity, including Hebbian learning [4] [5] and synaptic pruning. [2] Through these mechanisms, neural pathways that are more consistently used are strengthened, making them more efficient, while those pathways that are unused become less efficient.
Pruning is the practice of removing parameters (which may entail removing individual parameters, or parameters in groups such as by neurons) from an existing artificial neural networks. [1] The goal of this process is to maintain accuracy of the network while increasing its efficiency .
The process of synaptic pruning known as synapse elimination is a presumably activity-dependent process that involves competition between axons. Hypothetically, a synapse strong enough to produce an action potential will trigger the myonuclei directly across from the axon to release synaptotrophins that will strengthen and maintain well ...
[58] [64] For example, the hippocampus continues to develop after birth and is a structure that is affected by childhood maltreatment. [64] Early life stress seems to interfere with the overproduction of synapses that is typical in childhood, but does not interfere with synaptic pruning in adolescence.
For example, the Mayo Clinic says, you might see: Blind spots, which might be outlined with geometric designs. Shimmering stars or spots. Zigzag lines that slowly float across your vision.
Kris Armstrong's first husband, Brandon Smith, suffered a traumatic brain injury that left him with severe disabilities. Armstrong was determined to remain his caregiver, though, and she became ...
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