PSY 1001 Lecture Notes - Lecture 3: Mnemonic, Acrostic, Eidetic Memory
7 Jun 2018
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Memory Notes
• Background
o Memory is adaptive—e eed to reeer hat e’e leared
o Memory is also an important component of learning
▪ Long term/relatively stable change in behavior
▪ Must remember what you learned
o Memory involves a 3 stage process:
▪ Sensory memory
▪ Short-term memory
▪ Long term memory
o Differ on two dimensions
▪ Span—how much information can it hold?
▪ Duration—how long is the information available
o Each of these stages involves 3 steps
▪ Encoding
▪ Storage
▪ Retrieval
o Errors can occur at each of these steps in each of these stages
▪ forgettig
• Sensory Memory
o Tied closely to sensation and perception
▪ Each sense has a brief period it can be perfectly recalled
o Brain keeps sensory information in mind for a very brief amount of time
▪ Allows you to process information for a longer period of time
▪ Allows you to view incoming information as a whole
o Example:
▪ Movies and TV
• What are you actually watching? frames
• What do you see?
• This is the brain using sensory memory to make it flow together
o Two types that have been studied:
▪ Iconic Memory
• Sensory memory that applies to vision
o Example: Sperling (1960)
▪ People remember things that are flashed in their
visual field
o Lasts about 1 second
▪ Can be used to explain eidetic imagery
photographi eory—although this is
controversial
• Echoic Memory
o Sensory memory that applies to hearing
o Lasts for as long as 5-10 seconds
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