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Lecture 10

Lecture 10

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Department
Psychology
Course Code
PSY100H1
Professor
Michael Inzlicht

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Lecture 10 October 20
Memory Continued
Echoic memory lasts about 2 seconds (sure I was listening…. you said)
Iconic memory lasts about 1/3 of a second (remembering something that
happened very quickly and remembering it very briefly)
Attention is the process that moves information from the sensory sore to
short-term memory
Think of attention as a spotlight everything that is not in the spot light
disappears
Short-term memory: A limited capacity memory system involved in the
retention of info for brief periods
It is used for temporary use of long-term recollections
STM is like a workbench w/ approximately 7 items on it. When a new item
is put on the bench, another one falls off
A single letter, number, word, or clic can all count as units in STM
We can overcome limits of STM through chunking.
Chunk: meaningful unit of info may be composed of smaller units
When trying to learn material in a course, you should try to chunk it and
turn it into a knowledge structure
For info to be remembered, it needs to be transferred from STM to LTM.
Deficits in this ability due to injury, e.g., anterograde amnesia, can cause
profound changes in a person
H.M stuck in the present, cannot remember what just happened
He could not remember anything new, but he could still store info in ST,
working memory.
He could also recall old memories already formed
He could also learn new skills, although he could never remember having
done the task before
The ability to transfer info into LTM was localized in the hippocampus
Also, STM and LTM involved different systems
Different memory systems are independent of each other
H.M taught psychology more than any other case in the study of memory
Memory and perception are both construction of a representation of reality
Cognitive Schema: an organized system of knowledge that guides info
processing
Fundamentally no different from any concept (top-down structure)
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Description
Lecture 10 October 20 Memory Continued Echoic memory lasts about 2 seconds (sure I was listening. you said) Iconic memory lasts about 13 of a second (remembering something that happened very quickly and remembering it very briefly) Attention is the process that moves information from the sensory sore to short-term memory Think of attention as a spotlight everything that is not in the spot light disappears Short-term memory: A limited capacity memory system involved in the retention of info for brief periods It is used for temporary use of long-term recollections STM is like a workbench w approximately 7 items on it. When a new item is put on the bench, another one falls off A single letter, number, word, or clichcan all count as units in STM We can overcome limits of STM through chunking. Chunk: meaningful unit of info may be composed of smaller units When trying to learn material in a course, you should try to chunk it and turn i
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