Cognition Flashcards
what is cognition
Mental processes where one acquires, stores, retrieves and uses information
What are the primary involvement
perception, attention, memory, communication, decision making skills and problem solving skills
What is metacognition
The human ability to think about thinking
What are the basic concepts of normal cognition
Obtain level of survival and adaptation
function effectively as a social being
engage in meaningful and purposeful activity
What is perception
Interpretation of stimuli or inputs that takes place in the brain
Sensory dependent
Touch, taste, vision, hearing and smell
Varies across lifespan
Orientation to person, place, time and sitation
what is attention
Brains ability to remain alert, and aware while prioritizing concentration on a stimulus or mental event
may be affected by development, genetic, biological rhythms, culture or other environmental factors
what is memory
individuals ability to retain, store and retrieve information
consists of short term and long term memory
Sensory memory
Earliest stage of memory
Visual and auditory input retained for less than a few seconds
Short term memory
Lasts several seconds only, 15 sec
Can be reversed or repeated, and transferred into long term memory
Involves working memory, capacity to manipulate info stores in short term memory such as sequence of directions
Long term memory
final destination of information that can be stored indefinitely
Involves non declarative memories: info outside of conscious awareness
semantic memory
Part of long term memory
collection of facts, verbal info
episodic memory
Part of long term memory
personal experiences
procedural memory
types of implicit memories that enable a person to perform learned skills and tasks
RAS
Reticular activating system
The area of the brain that controls alertness and attention
What are alterations that are associates with impaired cognition and sensation
Aging
Depression
Delerium
Sensory deprivation
Sensory overload