Week 10 - Adolescence Flashcards
Definition of Adolescent
Period of transition from childhood to adulthood , encompassing development to sexual maturity and development to psychological and relative economic independence
5 main developmental themes in adolescents (Steinberg)
- Identity
- Sexuality
- Intimacy
- Autonomy
- Achievement
Three areas of concern with adolescents
- Conflict with parents (assert independence)
- Mood swings (highs and lows / pressure)
- Risk taking behaviour (optimistic bias)
Overview of general moodiness in adolescence
- Weak relationship between hormonal and neurological changes
- Negative mood linked to life events , friendships , school pressures / stress
- Increased need for sleep due to physical appearance changes
METHODOLOGY - DIARY BASED : mood less stable but high Friday /sat evenings
Emotional self regulation and self control in adolescents
Teenagers gain more independence but with this comes more responsibility
- Brain activity high in amygdala , Low in front lobe
How do adults maintain and develop self-control of emotions and behaviour
- Prefrontal Cortex self regulation to achieve full functional maturation
- Predictor of academic success
2 major change of adolescents neural function (Blakemore and Choudhury)
1= Increased mylenation - speed of processing
2= Synaptic Pruning - increased efficiency
Rosenfeld et al (2009)
- Average age of 12.5yrs in girls reaching menarche
- Early sexual activities = less interested in school
Why in Europe has their been a reduction in age at menarche?
- BMI and Environmental Factor
- Fats in diet cause white fat cells to produce leptin
- Absence of father lead to early onset menarche
- Additional environmental stress in single parent households
Body image in adolescence
- Teenagers become more self-concious of physical appearance and less satisfied with body
- Healthiest
Morbidity and Mortality in Adolescents
- Primary causes related to control of emotion and behaviour
- Increased rates of accidents , mental health related deaths, risky behaviour
Risk Factors In Adolescents
-Friends
-Genetics
-Social Life
-Home Life
Protective Factors in Adolescence
- Good friends
-Healthy activities
-School Life
-Sport
-Emotional Control
Intrinsic Factors influencing adolescent development
Temperaments
School Progress
Low impulse control
Optimistic Bias (‘won’t happen to me’)
Reasons for the concern of ‘epidemic’ of adolescent depression
- Increase in anti-depressant
- Data from successive birth cohorts
- Rising suicide rates
- Increase in emotional problems
[Costello et al]