Chap 9 Flashcards
1
Q
Prenatal and postnatal development
A
Extra tissue and brain at birth that gets pruned away as ages
2
Q
Postnatal growth of the human brain
A
Brain volume is due to synaptogenesis (greater plasticity) and myelination of axons( speed of transmission, prefrontal cortex myelinates a lot in adolescence into adulthood)
3
Q
Cortical thinning
A
Functional maturity in brain begins. Due to cell death , demyelination, dendritic pruning . First in sensory and motor areas then to secondary areas.
4
Q
The marshmallow test by Walter Michelle(delay of gratification)
A
Some neurogenesis and adults and hippocampus throughout life
5
Q
Effects of experience on the reorganization of adult cortex
A
Enrichment equals more hippocampus neurons(better development)
