Case 5 - Main theories of memory Flashcards
what is anterograde amnesia
the loss of the ability to create new memories after the event that caused amnesia
what is memory
the mental capacity to store and later recall or recognise events that were previously experienced
it is an active mental system that receives, encodes, modifies and retrieves information
what are the three stages of basic memory processes
encoding
storage
retrieval
what is recall
access information without cues
what is the multi store model
features of the sensory memory
- o.1-0.5 seconds
- holds accurate, complete representation
- encoding is sense-specific - different sensory memory
what is the short term memory
lasts seconds to minutes
frontal and pateital lobes involved
capacity limited to 7+/-2 : the rule of 7
what is the long term memory
duration unlimited
much greater capacity
hippocampus essential for consolidation
encoding is mainly semantic
where are emotional memories saved
the amygdala
what is the working memory
what is the central executive
allocated limited attention resource to other components of working memory. performs cognitive tasks such as problem solving
what is the phonological loop
stores auditory information by silently rehearsing sounds or words in a continuers loop: the articulatory process
what is the visuospatial sketchpad
stores visual and spatial information. engaged when performed spatial taks s
what is the episodic buffer
dedicated to linking information across domains to form integrated units of visual, spatial and verbal information and chronological ordering
what is the levels of processing model
the depth of processing lead to stronger memoryiews
what is encoding
- stronger memories through elaborative reversal
- more extensive neuronal connections
- superficial vs deep processing
what is the superficial aspect
structural processing (appearing)
phonemic processing (sound)
what is deep processing
semantic processing (meaning)
what are the difference types of long term memory
what is the trace decay of forgetting theory
forgetting in short term memory
memories leave a trace in the brain
fading trace after 15-30 seconds
why is memory displaced fro short term memory
STM can only hold small amounts of information
when STM is full, new information displaces old information and takes its place
what is the inference theory
memory can be disrupted with what we have previously learned
information in LTM may become confused with other information during encoding
what is motor learning dependent on
the striatum
