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58 Cards in this Set

  • Front
  • Back
Nature Vs. Nurture
Nature refers to genes(genetics) nurture refers to the environment
Qualitative vs. Quantitative
Qualitative change is abrupt, stagelike differences in kind rather than amount that occur in development. Quantitative change is the differences in amount rather than kind that occur in development
Multidirectionality
idea that there are intraindividaul differences in the patterns of development and aging
Normative age graded factors
similar across individuals and even cultures. Ex. maturation and deterioration of the brain and nervous system occur at roughly the same ages in all individuals
normative history graded factors
developmental influences closely related to historical eras or events rather than to age.
Cohort group
group of people born in the same time period
Idisyncratic life events
developmental change that is or seems unique to an individual. this form of development change is probably codetermined by biogenetic antecedents and distintive events and experiences occuring at critical moments in development.
chronological age
refers to the number of years that have elapsed since a person's birth
Biological age
estimate of the individuals position with respect to his/her potential life span. involves measuring the status of an individuals vitality or neurobilogical health.
psychological age
individuals adaptive capacities- the ability to adapt to the changing environmental demands
social age
refers to the social roles and expectatiosn people hold for themselves as well as those others impose on them.
age profiles
given the different dimensions of age, we can develope an age profile that represents multiple dimensions for any individual
Life expectancy in 1900?
47 years old
major causes of death in U.S.?
heart disease, lung cancer, motor vehicle accidents, suicide, cirrhosis of the liver, and emphysema.
why do women live longer then men?
combination of social,biological, and genetic factors. social factors include health behaviors, habits, occupational styles.
longevity
refers to the number of years an individual actually lives
ageism
refers to the prejudiced behavior of individuals and systems within the culture in regard to aging and older adults, and negative consequences of inaccurate stereotyping of the elderly.
dependency ratio
number of younger adults relative to the number of older adults
senescence
all cahnges associated with the normal process of aging
geron
refers to the process by which an animal sheds its skin
physical changes with age
skin begins to wrinkle and spot, hair loss, height and weight loss.
how much is height affected?
men 1/2 inch between 30 and 50, another one inch between 50 and 70. women lose 2inches between 25 and 75
cataracts
a person with cataracts has a lens that is functionally opaque-light cannot readily travel through the lens to project onto the retina.
glaucoma
results from increasing pressure inside the eye
accomodation
refers to the ability of the lens to focus on near or far objects and maintain a clear image on retina.
how does hearing change with age?
fairly constant during much of early adulthood and starts to decline during middle adulthood. by age 50 we are likely to have problems hearing high pitched sounds.
tinnitus
high pitched ringing or whistling sound in the ears.
how does aging affect physical ability?
reduction in muscle strength
how does aging affect motor performance?
motor performance slows.
aphasia
breakdown or loss of an individuals language abilities.
where are language abilities located in the brain?
left hemisphere
agnosia
failure to recognize familiar objects or faces and other expression of visual spatial disorder.
alzheimers disease
acssociated with decrements in neurotansmitter acetylcholine
multi infarct dementia
caused by vascular disease that produces multiple small strokes in the brain
brain stem
controlas basic biological functions such as breathing and heart rate.
ARAS
regulates an individuals state of consciousness and level of arousal
cerebellum
helps maintain halance and posture and coordinate body movements. memories for simple learned responses stored here.
limbic system
Hypothalamus: controls eating, drinking, body temp, sexual activity.
hippocampus: builds associations in memory
frontal lobes
serve memory,planning, and control of various complex cognitive functions.
corpus callosum
connects the hemispheres.
temporal lobe
involved in the consolidation of long term memores in assigning of emotional properties to incoming experiences and in processing auditory information.
perietal lobe
registers and interprets touch pain and temp
occipital lobe
controls basic visual processing
oldest part of brain?
brain stem
parts of the neuron
soma,axon,dendrites
functions of neurotansmitters
neurons communicate with each other by secreting neurontransmitters.
neurofibrillary tangles
tangled bundles of protein filaments
senile plaque
accumulation of masses of amyloid surrounded by degenerating axons and dendrites; seniles plaques prevent normal communication between neurons.
MRI
stimulated brain tissue emits signals that a computer transforms into an image. use MRI to identify regions of the brain that are most sensitive to age related deterioration
PET
brain metabolic activity is assessed by measuring changes in the amount of regional cerbral blood flow.
EEG
measure the general electrical activity of the brain.
Parkinsons disease
triggered by degeneration of dopamine producing neurons in the brain.
Genetic mutation theory
suggests that aging is caused by changes or mutations in the DNA of the cells in vital organs of the body
genetic switching theory
suggests that certain genes cease to operate or switch off causing aging
Free radical theory
certain molecules within a cell display a violent reaction when they encounter oxygen
wear and tear theory
idea that aging occurs beacause of physical wear and tear on the body caused by hard work
dementia
a neurocognitive disorder
delirium
acute onset it can jsut go away.