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