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Michael Simmons

on 8 August 2017

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Transcript of memory

3 Types

3 processes
translation of info into a storable form
decay - gradual fading of memories; generally reserved for sensory and short-term memory loss
severe memory loss caused by brain injury, shock, fatigue, illness or repression
3 stages
episodic memory
memory of a specific event
(dinner last night, last quiz, etc)

"flashbulb memory" - a special kind
of episodic memory with GREAT detail

usually triggered by events with
special meaning
first love / birth of child / special accomplishment
major news stories / tragedies / life changers
generic memory
general knowledge people remember

don't remember when memory was aquired
alphabet / presidents / general knowledge
procedural memory
consists of learned skills or procedures

even if skill is unused for long periods of time, you will likely not forget it
riding a bike / swimming / driving / playing instruments
visual codes - making a mental picture
acoustic codes - use sequences of sound
semantic codes - applying meaning
maintenance of encoded info over a period of time
maintenance rehearsal - repeating info over and over
elaborative rehearsal - relate new info to well known info
locating stored info and returning it to conscious thought
context-dependent memories - dependent on the place where they were encoded and stored

state-dependent memories - dependent on the mood in which they were encoded and stored

"tip of the tongue" phenomenon
sensory memory
first stage of memory; initial recording of info that enters through our senses
mental pictures we form of visual stimuli are called

mental traces of sound are called
short-term memory
if you pay attention to iconic and echoic memories they transfer to your short-term memory
when you think about something, it's in s/t memory
names, faces, phone numbers are all stored here

- organization of items into familiar or manageable units

s/t memory can only hold so much info;
occurs when new info replaces old info (think writing over files)
long-term memory
final stage of memory
must take steps to store info here
mechanical repetition or relating new to old
contains more words, pictures, sounds, smells, tastes than you could count.
memories are in color and stereo
there is no limit to how much can stored here
repression - purposeful forgetting of painful memories that cause anxiety, guilt or shame; theorized by Freud as a form of self-preservation; controversial in contemporary psychology
infantile amnesia
- do you remember being born? your first birthday? your second?
anterograde amnesia
- memory loss from trauma that prevents someone from forming new memories
retrograde amnesia
- forgetting the period leading up to the traumatic event
(high school reunion)
(brain game memory episode)
Full transcript