1. What does the process of myelinisation do/improve?
- Insulates the cell and improves synaptogenesis (cell communication)
- Allows cells to acquire specialised functions
- Produces nerve cells at a rate of 250,000pm
- Adds to the weight of the total brain
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Other questions in this quiz
2. What effects does the environment have on the prenatal brain?
- The environment has not shown to have an effect on the PN brain
- The PN brain is sensitive to negative and positive influences, with cortical thickness differing according to the environment
- The PN brain is especially sensitive to positive environmental influences affecting cortical thickness
- The PN brain is especially sensitive to negative environmental influences affecting cortical thickness
3. When does brain growth begin in utero?
- 8 months
- 18 days
- 6 months
- 14 days
4. What are the three stages (in order) of cellular development
- Synaptogenesis, Myelinisation, Cell migration
- Synaptogenesis, Cell migration, proliferation
- Proliferation, cell migration, myelinisation
- Myelinisation, Cell migration, proliferation
5. What is the darwinian reflex?
- When a baby is held with their feet barely touching a surface, they will make stepping motions
- When the palm of a babies hand is stroked, they make a strong fist and can be raised to standing if grasped
- When a baby is dropped/hears a loud noise, they extend limbs and fingers whilst drawing their head back as a protective reflex
- When a baby will grab anything that comes in close proximity to their face, a protective reflex