Aging - Haiku



Physical Development in Later Adulthood

Variety of wear and tear on the body’s systems makes it less likely to be able to selfrepair & regenerate.


Skin: loss of fat and collagen in underlying tissue

→ wrinkles o o o

Hair: decline in melanin production

→ thinning graying and

Height: Bone loss in vertebrae

→ loss of height visio n, taste

, motor speed, physical strength

Biological Theories of Aging

Cellular-Clock Theory o

Cells can divide approximately 100 times & then no longer able to reproduce

Free-Radical Theory o

Unstable oxygen molecules cause damage to

DNA and other cellular structures

Hormonal Stress Theory o

Aging lowers body’s ability to cope with stress.

Stress hormones stay around longer

Cognitive Development in Later Adulthood

Crystallized intelligence: o

Ability to use acquired knowledge, skills, and experience

→ increases with age

Fluid intelligence: o

Logical thinking and problem solving - thinking about new information

→ decreases with age

Processing speed: declines starting in middle adulthood

Memory: declines in general...might take longer, but likely to be accurate

Wisdom...INCREASES with age

Social Development in Later


Generativity versus Stagnation o

Making a contribution to the next generation o

Usually satisfied by having children and being positively involved parenting them.

Integrity versus Despair o

Last years of life involve looking back and evaluating one’s and reminiscence!


Strong sense of integrity = experiencing life as a meaningful and coherent whole

→ faces last years with sense of meaning and low fear of death.

Social Development in Later


More selective about social relationships.


Old view of old age: leads to loneliness and disengagement

• o

New view of old age: leads to enjoying life, hobbies and family

Happiness & life satisfaction increases with age...peaking at age 65!

Socioemotional Selectivity Theory: o awareness of limited time left

→ selective with social relationships so the most important ones can be maximized.

Embrace the moment - the present matters much more than the future or the past.

The more active and involved

→ healthy.

the more satisfied and