how does the brain develop Flashcards
memorise
when does neurodevelopment begin
3 weeks after fertilisation continues after birth
is prenatal brain development under genetic or environmental control?
mostly genetic
is postnatal brain development experience dependent?
yes and based on gene and enviro interaction
how far into fertilisation do zygotes divide into 2 to 4 to 8?
12 hours
what happens when cleavage ends?
blastulation day 5 blastula formed
14 days to 21 after fertilisation blastula is reorginsiased and becomes a multistruture called what?
gastrula
what is the outer layer called in gastrulation?
ectoderm
what are the stages of neurodevelopment?
- nearulation 2. cell profiliation 3. cell migration 4. cell aggregation 5. diffriniation 6. axon development 7. synaptogenesis 8. selective cell death 9. synaptic rearragenmt 10. myelination
when does brain growth peak?
2-3 years old
what is neural plasticity?
Brains ability to change and reorganise becasue of individual experiences
GRAFFMON 2000
- HOMOLOGUS AREA ADAPTATION 2. CROSS MODEL REASSIGNMENT 3. MAP EXPANSION 4. COMPENSATORY MASQURARDE