The Developing Person
Through the Life Span
Eighth Edition
Kathleen Stassen Berger
Chapter Fourteen
Adolescence: Biosocial Development
Puberty Begins
Nutrition
The Transformations of Puberty

Puberty Begins
• Unseen Beginnings
– Sex Hormones
– Body Rhythms
• A VIEW FROM SCIENCE: Get Real

Puberty Begins
• Age and Puberty
– Genes and Gender
– Body Fat
– Stress

Puberty Begins
• Too Early, Too Late
– Girls
– Boys
– Ethnic Differences

Nutrition
• Diet Deficiencies
– Choices Made
– Body Image
• Eating Disorders
– Anorexia Nervosa
– Bulimia Nervosa
– Origins of Disordered Eating

The Transformations of Puberty
• Growing Bigger and Stronger
– Sequence: Weight, Height, Muscles
– Organ Growth
• Sexual Maturation
– Sexual Characteristics
– Sexual Activity

The Transformations of Puberty
• Problems with Sexual Activity
– Sex Too Soon
– Sexual Abuse
– Sexually Transmitted Infections

The Transformations of Puberty
• Neurological Development
– Caution Needed
• A CASE TO STUDY: “What Were You
Thinking?”
– Benefits of Adolescent Brain Development