Lifespan of brain

Question 1

When does the brain reach maturity?

Answer 1

25

Question 2

Does the brain still change after 25?

Answer 2

yes it continues to gain and lose synapses across life

Question 3

When do growth spurts resulting in significant intellectual advances happen?

Answer 3

childhood to adolescence

Question 4

What happens from 17yrs to early 20’s?

Answer 4

frontal lobes and ability to plan and control emotions develop

Question 5

What happens in the 30’s?

Answer 5

decline in brain weight that is not yet visible

Question 6

What happens in late adulthood?

Answer 6

there are more losses than gains in synapses and it is noticeable (neurons are lost with aging)

Question 7

children also lose neurons at the beginning of development because…

Answer 7

that have not yet gained synaptic connections

Question 8

What determines survival or death in brain injuries?

Answer 8

Location of injury

Question 9

Ways to recover

Answer 9

synaptogenesis, damaged neurons can sprout new dendrites to reconnect with other neurons, axons can regenerate/grow, only SOME abilities can be regained, plasticity : power to rehabilitate (you have to want to) +strongest in young children