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Life Span Developmental Psychology
Week 6 Key Terms 2011
21
Nursing
Undergraduate 1
09/27/2011

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Term
Wear and tear theory
Definition
the oldest most general theory of aging; as we use our bodies, we wear them out; just as a machine wears out with extended use
Term
Free radicals
Definition
are atoms that have unpaired electrons due to metabolic processes; these aid to cell damage
Term
Error Catastrophe
Definition
an effect that as the immune system decreases & process of repair become less efficient; the errors become so extensive and effect critically important cells that the body can no longer control or isolate the errors
Term
Hayflick limit
Definition
it's a "cellular clock" in which there are only a set number of times a cell can divide
Term
Sensory register
Definition
stores incoming sensory information for a spilt second after it is received, allowing it to be selectively priocessed  by other components of the system
Term
Working memory
Definition
the processing component through which your current, conscious mental activity occurs. The 2 functions of working memory are to store process information
Term
Knowledge base
Definition
consists of oine's long term storehouse of information and memories; involves 2 components: (or long-term) memory and tertiary (or remote) memory  
Term
Control processes
Definition
the final component of the human information processing system that functions in an executive role, regulating the analysis and flow of information within the system
Term
Huntington's disease
Definition
genetic disorder which affects motor and cognitive abilities
Term
Parkinson's  disease
Definition
lack of dopamine (neurotransmitter) which aids in smooth, coordinated movements; tremors result; degeneration of neurons in an area of the brain
Term
Multiple sclerosis
Definition
autoimmune disorder which replaces myelin sheaths of CNS with scarring
Term
Pick's disease
Definition
atrophy of frontal & temporal lobes of brain; results in personality & intellect changes
Term
Korsakoff's syndrome
Definition
impairment of short term memory; common in chronic alcoholism; mainly due to insufficient vitamin B1
Term
Aesthetic sense
Definition
many people become more responsive to nature, and have a higher application of expressive and creative pursuits
Term
Life review
Definition
putting life into perspective, a review of accomplishments & failures; help accept end of life by remembering the highs and lows of life
Term
Disengagement theory
Definition
late adulthood is a time when the individual and society mutually withdraw from each other. This occurs as work and family roles become less available or less important
Term
Activity theory
Definition
states  that the less older people disengage, the  happier they are; the more active the elderly are and the more roles they play, the greater their life satisfaction and the longer their life
Term
Continuity theory
Definition
a psychological theory that states that each person copes with late adulthood in much the same way as he/she coped with earlier periods of life
Term
Bereavement
Definition
the process of adjusting to life without a loved one. It is usually a lengthy process
Term
Grief
Definition
an emotional response to bereavement. Shock, depression, loneliness, fatigue, emptiness, and numbness can accompany grief
Term
Mourning
Definition
referred to as all the ways of expressing grief of a loved one
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