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4 Adult Development and Aging, bjorklund
Chapter 4 Cognitive abilities
32
Psychology
Undergraduate 3
09/01/2012

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Term
Intelligence
Definition
according to Wechsler:"the aggregate or global capacity of the individual to act purposefully, to think rationally, and to deal effectively with his environment"
Term
Psychometrics
Definition
The field of psychology that deals with the measurement of human abilities such as intelligence
Term
g
Definition
many psychologists assume there is a central, general intellectual capacity, which influences the way we approach a number of tasks
Term
IQ
Definition
an intelligence test designed to measure g (average is 100)
Term
Flynn effect
Definition
Named after James Flynn (1987), documented that IQ went up due mainly to advances in education, technology, and more people engaged in intellectually stimulating careers
Term
crystallized intelligence
Definition
cognitive ability dependent on education and experience. consists of skills we learnas growing up in given culture. on standardized tests measured by vocab, verbal comprehension
Term
fluid intelligence
Definition
basic set of abilities under influence of biological processes. abstract reasoning. most memory tests are part of fluid intelligence, also abstract math
Term
memory
Definition
The ability to retain or store information and retrieve it when necessary
Term
sensory store
Definition
1st step in memory: initial step as information is picked up by the senses and processed briefly by the perceptual system
Term
short-term store
Definition
2nd step in memory: information held for several seconds, either discarded or encoded for long -term
Term
long-term store
Definition
3rd step in memory: memories encoded for a long term
Term
primary memory
Definition
Short-term memory. passive maintenance of memory in short-tem store
Term
digit-span task
Definition
Test of primary or short -term memory, randomly arranged digits must be repeated in exact order
Term
working memory
Definition
The amount of information we can hold in mind while performing some type of operation on it.
Declines rapidly with age
Associated with performing most cognitive tasks
Term
executive function
Definition
Process involved in regulating attention,
ability to resist interference, selectively attend to information, and cognitive flexibility (switching btween tasks)
Term
declarative memory
Definition
refers to knowledge that is available to conscious awareness.
Can be directly assessed by tests of recall or recognition memory
Term
semantic memory
Definition
1 type of declarative memory: knowledge of language, rules and concepts. Generally remains stable as aging occurs
Term
episodic memory
Definition
2nd type of declarative memory - ability to recall events
Term
word-finding failures
Definition
Exception to semantic memory stability. know the word you want, can't locate it.
Term
name-retreival failures
Definition
Related to word-finding failure. Inability to recall a name
Term
nondeclarative (procedural) memory
Definition
Memory system responsible for skill learning and retention. Once learned the skills become automatic not available to conscious awareness (driving, riding bike)
little change with aging except when combined with speeded performance
Term
prospective memory
Definition
remembering to do something in the future (call for appt etc)
declines w/age, especially if it involves interfering materials or activity
Term
contextual perspective
Definition
Proponents believe that traditional lab studies fail to consider cognitive processes across adulthood, and appear in a different light when age-rlated contexts are considered
Term
adaptive nature of cognition
Definition
as we age our lives change, and we adapt our cognitive styles to those changes.
Term
stereotype threat
Definition
When members of a group are aware of a negative stereotype, and experience anxiety when put in a position which could confirm the stereotype (ex, aging adults and memory loss)
Term
positivity bias
Definition
Older adults remember more positive figures than negative,and are more apt to direct their attention away from negative stimuli
Term
socioemotional theory
Definition
Theory which states"young people view time as expansive, focus on the future, so invest time in new activities to expand horizons. Older view time as limited, so direct attention to emotionally meaningful aspects of life, thus emphasize positive aspects of experiences
Term
sociobiographical history
Definition
The level of professional prestige, social position, and income experienced throughout one's life
Term
human factors research
Definition
a hybrid field that combines psychology with engineering to uncover real-world problems people have and locate or create devices that will solve them.
Term
assistive technology
Definition
mechanical and electronic devices designed to assist w ADL's
Term
useful field of view (UFOV)
Definition
The area of the visual field that can be processed in one glance.Better predictor of driving ability than visual acuity. Decreases when individual is preoccupied
Term
Real-world cognition
Definition
exploring how adults think as they go about thier daily lives
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