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Title: Memory
Description: These notes discuss the memory section of the brain.
Description: These notes discuss the memory section of the brain.
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Memory
-immediate recall: remember everything you learn
-20 minutes later: 60% of the information has been lost
3 processes of memory
1) Encoding: codes in the brain that help remember
...
2) Storage: hypocampus (where memory is stored) amygdala (emotions, helps
stimulate hypocampus) Maintaining information in memory
...
Bringing stored material to mind
...
1-
...
Information enters the nervous system
through the sensory systems
...
1-30 seconds (can only store 7 items)
3) Long Term Memory: Permanent storage
Displacement and Rehearsal
0 Displacement: how you forget things, Event that occurs when short-term
...
0 Rehearsal: how you remember things, Act of purposely repeating information to
maintain it in short-term memory or to transfer it to long-term memory
...
(way we memorized alphabet)
2) Recognition: recognizing something as familiar
3) Relearning
0 Primacy Effect: Likelihood that an overall impression/judgement of
another will be influence by the first information received or information that
comes later
...
(Short Term Memory)
0 Recency Effect: Tendency to recall the last items in a sequence more readily
than those in the middle of the sequence
...
0 Context Dependent Memory: Study in the same place/environment
0 Long-Term Potentiation: A long lasting increase in the efficiency of neural
transmission at the synapses
...
If it doesn’t
happen that exact way we feel confused
...
C
...
M
...
Retrograde Amnesia
- Inability to remember anything that happened before the event (surgery)
CPA concerning repressed memories of early childhood sexual abuse exist?
Its possible but unlikely because some questions are suggested to the children
creating false memories
...
We may change details to fit our own
expectations!!
Eye Witness Testimony
- Is often subjected to error
- witness identification line ups can minimize mistakes (Everyone must look alike)
Long Term Potentiation
- strengthening of the neural pathways which increases efficiency
- Linked to long-term memory
- Does not take place unless both the presynaptic and postsynaptic neurons are
activated at same time by intense high-frequency stimulation (neurons that fire
together)
- Often occurs in hippocampus
- Proposed by Donald Hebb (McGill) in 1949
The 7 Causes of Forgetting
1
...
Decay theory: Over time memory gets worst
3
...
Proactive: (Pre) remembering things of before
2
...
Consolidation failure: Prevents a permanent memory from forming (accident)
5
...
Retrieval Failure: Inability to locate the information we want (however it is in
long term) (“I have it at the tip of my tongue)
7
Title: Memory
Description: These notes discuss the memory section of the brain.
Description: These notes discuss the memory section of the brain.