neurocognitive disorders Flashcards
cognition
system of interrelated abilities such as perception, reasoning, judgement, intuition, and memory. Allows one to be aware of oneself in relation to others
memory
facet of cognition, retaining and recalling past experiences
delirium
ACUTE cognitive impairment with rapid onset caused by medical condition
cognitive impairment, emotional and behavioral changes, physical and functional decline, and untimely death
dementia
CHRONIC cognitive impairment; differentiated by cause not symptoms
sundowning
the tendency for an individuals mood to deteriorate and agitation increase in the later part of the day, with the fading of light, or at night
aphasia
loss of language
expressive aphasia
cannot find the words to express ideas (Broca’s area)
receptive aphasia
cannot interpret what is said ( Wernicke’s)
apraxia
loss of purposeful movement
agnosia
loss of ability to recognize objects
confabulation
unconscious creating of stories or answers in place of actual memories (maintains self-esteem)
perservation
persistent repetition of a work, phrase, or gesture
hyperorality
tendency to put everything in the mouth and to taste and chew
common identified causes of delirium
meds
infections
fluid and electrolyte imbalances
hypoxia/ischemia
brain alterations
**medical emergency
clinical picture of delirium
disturbance in attention and awareness
acute onset (hours to a few days) change from baseline; fluctuates over coarse of 24 hours
may also experience: memory deficit, disorientation, language changes, visuospatial ability ( think provider is daughter), delusions and hallucinations (usually visual), disturbances in sleep-wake pattern, direct physiological cause
four cardinal features of delirium
acute onset and fluctuating coarse
reduced ability to direct, focus, shift, and sustain attention
disorganized thinking
disturbances of consciousness