memory Flashcards
(22 cards)
conciousness
is having subjective experiences/ state of awareness
aspects of conciousness
level of arousal
attention
selection of objects based on attention
motivation and initation
attention
concentration of awarness/ focus on something
orienting
divided
slecive
sustained
switching
orienting attention
ability to locate specific sensory information
divided attention
ability to attend two or more things simulatainously
selective attention
ability to attend most important information and ignore distraction
sustained attention
continue activit over period of time
switching attention
ability to change from one task to another
memory
formation of records of new experiences
short term memory/ working memory
maintains goals
essential for language problem solving
mental multitasking
long term memory declarative
explicit and concious
episodic - collection of specific personal events
semantic- common knowledge
3 stages of declarative memory
encoding- processes information into memory= linking
consolidation- stabalizes memory/
retrival- ability to find it accurately
long term procedural
refers to recall of skill and habit
practice is required to store this information
amnesia
memory loss
retrograde- cant remember stuff before truama
antrograde- loss of memories after trauma
ageing of the brain
reduced brain volume
grey matter atrophy
white matter atrophy
blood flow reduction
cognitive changes with age
visual preception and attention
episodic memory
working memory
defecits in:
- attention
- proccessing speed
- inhibition
dementia and mild cognitive impairment
major neurocognitive disorder- significant acquired decline in one or more congnitive domain
mild neurocognitive disorder
do not impact ability to be independent
alzheimers disease
is major neurocognitive disease
insidous onset and gradual progression
clear decline in memory and learning
cortical atrophy
rediced size of hippocampus
enlarged ventricles
symptoms of alzheimer disease
defecit in episodic memory
persistent and frequent short term memory loss
difficult learning
language difficulties
planning difficulties
orientation
frontotemporal dementia
progressive atrophy of frontal and temporal lobes
behaviour changes
non fluent aphasia
selective impairment
can’t find words
lewy body dementia
parkinsons disease association
substantia nigra
selective attention
deficets in episodic memory
verbal recal difficulty
apathy
vascular dementia
loss associated with cerebrovascular damage
attention deficets
executive dysfunction
deficets in working memory
gait abnomalitive
