Do we stop developing new synapses after early childhood?Explain your answer in detail.

  about 50 percent of the extra synapses are eliminated.

Explanation:During the second year of life, the number of synapses drops dramatically. Synaptic pruning happens very quickly between ages 2 and 10. During this time, about 50 percent of the extra synapses are eliminated. In the visual cortex, pruning continues until about 6 years of age.

Synaptic pruning happens very quickly between the ages 2 and 10, sometimes 2 and 3. At about 2 to 3 years of age, the number of synapses hits a peak level. But then shortly after this period of synaptic growth, the brain starts to remove synapses that it no longer needs. Once the brain forms a synapse, it can either be strengthened or weakened. The new synapses that are formed will last about at least 1 year. Constant stimulation causes synapses to grow and become permanent, but if a child receives little stimulation than usual, or little stimulation in general, the brain will keep fewer of those connections. Pruning continues until the normal person is about 6 years old. The rational part of a teen's brain isn't fully developed and won't be until age 25 or so.

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