Week 3 Flashcards
What is memory
Memory is a storage system to retain information from the past
Types of memory
-Sensory
-Short term/working
-Long term
-> Explicit
-> Implicit
Memory processes:
Encoding
Creating mental representation of information
Memory processes:
Storage
Creating a record of encoded information
Memory processes:
Retrival
Recognising cues for memories and recalling the information
Relevant case studies:
Perfect memory
Solomon Shereshevsky
-Perfect recall and high emotional response due to synaesthesia
-Blurs line between long and short term memory
Relevant case studies:
Imperfect memory
Clive Wearig
-Viral damage to hippocampus caused anterograde (post amnesia) and partial retrograde (pre-amnesia) amnesia, leaving him with no long term memories and very limited short term memory
-Demonstrates “damage to the bridge between long and short term memory”
Multi-store model
Sensory store -(attention)> short term store -(encoding)> long term store
Multi-store model:
Chunks
units made of a group of items/information
Multi-store model:
Iconic memory
Sensory store for visual information (approx 500 milliseconds)
Typically thought to be preattentive (processed before attention)
Multi-store model:
Echoic memory
Sensory store for auditory information (approx 2 seconds right hemisphere or 5 seconds in left)
‘Playback’ (remembering what someone said after asking)
Sensory memory
-Iconic & Echonic
-Sensation lasts longer than stimuli but decays rapidly
Multi-store model:
Short term memory
Rehearsal of short term memory is necessary to promote encoding, otherwise information will be forgotten
Visuospatial sketchpad
Visual information retrieved from long term memory (or sensory stores) to be represented and rehearsed in the short term memory
-‘The minds eye’
Phonological loop
The phonological store can only hold verbal information for a short time, so it is rehearsed by our inner speech in the auditory loop to refresh it in the phonological store