Psychology Ch. 15 Flashcards
Late adulthood begins at the age of ____ and lasts until ___?
Begins: 60s or 70s
Lasts: until death
Before the 20th century or 1900s, most individuals died before they reached age ___
65
The maximum number of years an individual can live
Life span
The number of years a person will probably live
Life expectancy
The average life span of individuals today is..
78 (80.7 for females, 75.4 for males)
Which gender lives usually lives longer?
Females
What % of the late adulthood population is female?
60-70%
Reasons why women live longer then men?
Social factors: health attitudes, habits, lifestyles, jobs
Men are more likely to die from this than women?
Respiratory cancer, accidents, heart disease
Female’s ____ helps to fight off arteriosclerosis
Estrogen production
The additional x chromosome women carry may be associated with the production of more..
Antibodies
What are the four biological theories as to why we age?
Evolutionary
Cellular clock
Free radical
Hormonal stress
In this theory, natural selection has not eliminated many harmful conditions and nonadaptive characteristics in older adults
Evolutionary theory of aging
In this theory, if alzheimers occured in earlier adulthood then it might have been eliminated centuries ago because natural selection is linked to reproductive fitness
Evolutionary theory of aging
Leonard Hayflick’s theory that cells can divide a maximum of about 75-80 times and as we age our cells become less capable of dividing
Cellular clock theory
States that people age because when cells metabolize energy, the byproducts include unstable oxygen molecules
Free radical theory
On a non-cellular level, this theory argues that aging in the body’s hormonal system can lower resistance to stress and increase the likelihood of disease
Hormonal stress theory
The brain loses what % of its weight between the ages of ___?
5-10% of its weight between 20-90 yrs old
There is an increase in frontal lobe activity because..
the brain is putting forth more effort and energy in the frontal lobe to work
The decline of functioning in the hippocampus effects..
memory functioning
What is frontal lobe bilaterality
When the brain uses more areas to get more work done than it used to (brain’s version of the SOC theory of development)
Aerobic fitness was linked with greater volume in the hippocampus which means..
Better memory function
The generation of new neurons is called
Neurogenesis
The nun study tested..
Mental exams Delayed word recall Activities of daily living Self rated functions Post mortem brain analysis
The nun study showed that their longevity was due to..
Socializing
Religion
Exercise
Education/learning
Verbal fluency which is _____ declines as you age
Your ability to come up with different words
Verbal knowlege is _____ and stays stable or even increases
Acquired knowledge or what you have learned your whole life
This can be used to predict ability and aging
Verbal skills
What are the 3 verbal skills that can be tested, and also were tested in the nun study, to predict ability and aging?
Grammatical complexity
Idea density
Emotional content
Individuals who told or wrote grammatically correct stories showed..
No cognitive decline
Those individuals who shows great idea density, a measure of linguistic ability, were less likely to have..
Alzeimers
Those individuals who showed emotional content in their stories and language on average did what?
Lived longer
Physical developments that occur in middle adulthood
Wrinkles Age spots Shorter Weight drops Move slower
Name the 4 sensory development
Vision
Hearing
Smell & taste
Touch & pain
The 3 diseases that can impair vision
Cataracts
Glaucoma
Macular degeneration
Thickening of the lense of the eye: cloudy, opaque, distorted
Cataracts
Damage to the optic nerve because of pressure created by fluid buildup
Glaucoma
Disease that deteriorates the macula of the eye affecting the center of the visual field
Macular degeneration
Primary neural receptor for hearing in the inner ear
Cochlea (degenerates)
With aging comes the decline of feeling _____ which could be bad because it could mask other injuries and illnesses
Pain