Teenage development Flashcards
Around what age range is “adolescence”
13-18
Biological changes of puberty alone (do/do not) make adolescent storm and stress either university or inevitable.
do not
Do all cultures experience the adolescent “storm and stress” to the same extent?
no
Identity formation is impacted by ________ and ________ factors.
social; cultural
During adolescence, there is an interaction of _______, ________ and ______ systems,
physical, psychological and social
What are three main changes in physical development during adolescence?
- Puberty
- Changes in MSK
- Brain development
What are changes to the MSK system in adolescence?
4.1 to 3.5 inches a year
Muscle tissue is about ____ of total body weight in infant, _____ of total body weight in YA.
25%;40%
Adolescent boys are (stronger/weaker) than girls
stronger
During adolescence, more bone is _______ than _____.
formed; lost
____% of final adult calcium deposit occurs during early adolescence
26
Peak rates of calcium deposit occurs at ___ years for boys and ____ years for girls.
14;12.5
Onset of puberty is singled by secretion of pulses of ___________ _______hormone from the hypothalamus.
gonadotrophin releasing
GnRH stimulates pituitary gland to produce ______ _____ hormone and ________ hormone.
follicle stimulating; leutinizing
LH and FSH cause the ovaries to produce what hormone? What hormone in the testicles?
estrogen; testosterone
The production of ______ and ________ cause changes seen in puberty
estrogen; testosterone
About ___% of teenagers are overweight (BMI over ___)
12;25
What is an important process that occurs with synapses and grey matter during adolescence?
pruning
When does the total volume of the brain peak for females? for males?
10.5 years; 14.5 years
When does grey matter peak for females? for males?
8.5 years; 10.5 years
What are some of the biggest changes in the brain during adolescence in?
limbic system
The new perspective on risk taking involves the interaction between two neurobiological systems. What are they?
- Social-emotional
2. Cognitive control
adolescent risk taking is stimulated by a rapid and dramatic increase with the ______-________ system.
socio-emotional
_______ ______ system matures later in adolescence.
cognitive control