In the development of the brain, which of the following is not a result of changes in the neurons of an infant's brain?*1 pointDendritic spreadingSynaptic pruningMyelinationNone
Question
In the development of the brain, which of the following is not a result of changes in the neurons of an infant's brain?*1 pointDendritic spreadingSynaptic pruningMyelinationNone
Solution
The answer is "None". All of the options listed - dendritic spreading, synaptic pruning, and myelination - are processes that occur in the development of an infant's brain.
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Dendritic spreading: This is the process by which dendrites (the branch-like parts of neurons that receive signals from other neurons) grow and spread. This increases the number of connections each neuron can make with other neurons, which is crucial for learning and memory.
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Synaptic pruning: This is the process by which extra neurons and synaptic connections are eliminated to increase the efficiency of neuronal transmissions. It's a bit like pruning a tree - you get rid of the extra branches to make sure the tree grows strong and healthy.
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Myelination: This is the process by which myelin (a fatty substance) forms around the axons of neurons. This helps speed up the transmission of electrical signals along the neurons, which is crucial for quick and efficient brain function.
So, all of these are important processes in the development of an infant's brain.
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