1. Chapter 9- Adolescence Body and Mind

2. Agenda for Adolescence
Define adolescence
Body
Brain
Puberty

3. Adolescence Definition: Body changes Brain Growth Spurts Weight Height
Growth patterns
Brain Growth Spurts

4. Figure 2.10 The Brain and Its Structures
This figure shows the cortex and the subcortical structures of the brain.

5. Puberty Changes needed for reproductive maturity Hormones
Pituitary gland

6. Sequence of development during puberty
STAGE
BOYS
GIRLS
1 = Preadolescent
Nipple growth
2 = 1st signs of pubertal change
First pubic hairs
3 = Intermediate
Enlargement of penis
Height spurt
4 = Intermediate
5 = Adult characteristics
Height growth and final pubic hair growth
Final pubic hair and full breast development

7. Puberty, cont. Sleep Age of puberty Age range Precocious Puberty Genes
Leptin
Secular trend

8. Puberty, cont. What does all this mean for development?
So far, what is the picture we have “painted of adolescence”?
What are some outcomes of not being “on time” for puberty onset?

9. Onset of puberty
Too Early
Too Late
Girls
Boys

10. Sexual development during adolescence
Primary and secondary sex characteristics
Sexual experiences may begin, particularly for those early developers

11. How do adolescents treat bodies?
With all these changes, how do adolescents respond to their bodies?
Nutritional intake?
How do these changes influence body image?

12. Cognitive Development in adolescence
The brain remains in the growth process, influencing adolescent cognitive functioning
Positive outcomes of brain development

13. Characteristics of Cognitive Development in Adolescence
Thinking About Oneself
Adolescent egocentrism
Personal fable
Invincibility fable
Imaginary audience

14. Cognitive Development
Formal Operational Thought Hypothetical thought Deductive reasoning Inductive reasoning

15. Cognitive Development

16. Cognitive Development
Intuitive, Emotional Thought
Adolescents find it much easier and quicker to forget about logic and follow their impulses.
Dual-process model
The notion that two networks exist within the human brain, one for emotional and one for analytical processing of stimuli.