What area of the brain is associated with the overproduction of synaptic connections during puberty

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Adolescence

Terms in this set (29)

body fat

pubertal changes begin once a threshold level of _______ is reached

hypothalamus

during middle childhood the proportion of fat in the body gradually increases, and once a threshold level is reached a series of chemical events is triggered beginning in the...

hypothalamus

a bean-sized structure located in the lower part of the brain

estrogens
androgens

2 classes of sex hormones

estradiol

the most important estrogen

testosterone

the most important androgen

true

T/F: levels of estradiol and testosterone are about the same in boys and girls until puberty begins

8; 2

by the mid teens, estradiol production is about __ times as high in females as it was before puberty, but only about __ times as high in males

20; 4

testosterone production in males is about __ times as high by the midteens as it was before puberty, but in females it is only about __ times as high

primary sex characteristics
secondary sex characteristics

2 kinds of changes in the body in response to increased sex hormones

primary sex characteristics

production of eggs (ova) and sperm and the development of the sex organs

secondary sex characteristics

bodily changes of puberty not directly related to reproduction

menarche

1st menstrual period

spermarche

beginning of development of sperm in boys' testicles at puberty

synaptic connections

a sharp increase in ________________ occurs around the time puberty begins

overproduction or exuberance

a sharp increase in synaptic connections that occurs around the time puberty begins

frontal lobes

overproduction of synaptic connections occurs in many parts of the brain during adolescence but is especially concentrated in the....

frontal lobes

involved in most of the higher functions of the brain, such as planning ahead, solving problems, and making moral judgments

11 or 12

overproduction peaks at about age...

synaptic pruning

when to overproduction of synapses is whittled down considerably

synaptic pruning

synapses that are used remain, whereas those that are not used wither away

7-10

between the ages of 12 and 20 the average brain loses _______% of its volume thru synaptic pruning

high intelligence

synaptic pruning is especially rapid among adolescents with...

more

synaptic pruning causes the brain to work less/more efficiently

more specialized

synaptic pruning causes brain pathways to become...

myelin

a blanket of fat wrapped around the main part of the neuron

myelin

serves the function of keeping the brain's electrical signals on one path and increases their speed

mathematics
music
decision making
social skills
understanding humor

5 things that the cerebellum is important for

overproduction
synaptic pruning
myelination
growth of cerebellum

4 important neurological changes in adolescence

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What part of the brain is affected during puberty?

Where in the adolescent brain does an overproduction of synapses occur?

What does the frontal cortex do during puberty?