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How the Brain Develops | Psychology Today

How the Brain Develops | Psychology Today

psychologytoday.com

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Stages of Early Brain Development

Brain development happens at different rates for different parts of the brain but here are the major trends in the construction that takes place:

  • In the womb: folding of the brain's outer layer
  • Newborn - childhood: the brain grows gradually and continues to...

We might have this idea that our brains change the same way but scientists have observed that there is a considerable variation between individuals in terms of when and what to extent aspects of the brain change.

Individual differences in brain development can be related to psychological d...

  1. Genes - are a major key factor in brain development due to their contribution to normal individual variation in brain development, and relatively rare genetic alterations.
  2. Environmental factors - Because having a safe and nurturing environment faci...

Brain Growth

It's been thought that the neurons were already created before birth, but research indicates that the brain keeps growing until mid to late childhood, decreases through the early 20s, stabilizes for quite a while, and then begins to decrease further from age 40 onwards.

Neurogenesis and Neuronal Development

  • Neurogenesis is the process by which new neurons are created. The bulk of this process happens during the prenatal period of brain development.
  • Synaptogenesis is the process of forming connections or synapses.
  • Synaptic pruning

Neuroplasticity

  • Also known as neural plasticity
  • This is the capacity of the brain to change in response to experience and the environment.
  • It changes the brain from updating the neuronal networks to the formation of new memories to larger structural adaptations.

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