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Chapter 7

Chapter 7 notes

23 Pages
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Department
Psychology
Course Code
PSY100H1
Professor
Michael Inzlicht

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Chapter 7 Memory
What is Memory?
Memorythe capacity of the nervous to acquire and retain usable skills and
knowledge, allowing organisms to benefit from experience.
H.M Case Study
H.M had episodic seizures; brain surgery was done to relieve his epilepsy.
H.M relieved his seizures, but at a cost of losing his ability to form new long-term
memories.
He can remember old info, but not any new information.
However he is able to learn new motor skills; H.M was required to trace a star while
looking in a mirror. This was a difficult task but over time, his performance
improved which suggests he was able to retain new motor info, however he retained
no conscious awareness that he had done task before.
What Are the Basic Stages of Memory?
www.notesolution.com
Modal memory modelFrom an information-processing perspective, the common
way to describe memory is through a three-stage memory that involves: sensory
memory, short-term memory, and long-term memory.
The term modal, refers to the models being common or standard.
Model proposed by Richard Atkinson & Richard Shriffin in 1968; model has
dominated psychological thinking about memory, in spite of its being somewhat
inaccurate and incomplete.
Sensory Memory is Brief
Sensory info such as lights, smells, odours, etc. leave a trace on the nervous system,
then vanishes.
Sensory memorymemory for sensory info that is stored briefly in its original
sensory form.
Visual memory can be referred as iconic memory, whereas auditory memory can be
referred as echoic memory.
Sperling experimentflashing letters experimenticonic memory persisted for
about one third of a second, after which the sensory-memory trace faded and was no
longer accessible.
www.notesolution.com
Short-term Memory is Active
Information that is attended to is passed from sensory stores to short-term memory
(STM), a limited-capacity memory system that holds information in awareness for a
brief period.
Many researchers use the term immediate memory to emphasize the idea that this
temporary buffer consists of our fleeting thoughts, feelings, and impressions of the
world.
Short term memory can hold info for no longer than about 20 seconds; it then
disappears unless you actively prevent that from happening by thinking about the
info or rehearsing it.
Memory Span & Chunking
Short-term memory is a limited resource that can hold only so much info.
Memory span as thought of by psychologist George Miller, is equal to:
Memory span = 7 items ± 2
www.notesolution.com

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Description
Chapter 7 Memory What is Memory? Memorythe capacity of the nervous to acquire and retain usable skills and knowledge, allowing organisms to benefit from experience. H.M Case Study H.M had episodic seizures; brain surgery was done to relieve his epilepsy. H.M relieved his seizures, but at a cost of losing his ability to form new long-term memories. He can remember old info, but not any new information. However he is able to learn new motor skills; H.M was required to trace a star while looking in a mirror. This was a difficult task but over time, his performance improved which suggests he was able to retain new motor info, however he retained no conscious awareness that he had done task before. What Are the Basic Stages of Memory? www.notesolution.com Modal memory modelFrom an information-processing perspective, the common way to describe memory is through a three-stage memory that involves: sensory memory, short-term memory, and long-term memory. The term modal, refers to the models being common or standard. Model proposed by Richard Atkinson & Richard Shriffin in 1968; model has dominated psychological thinking about memory, in spite of its being somewhat inaccurate and incomplete. Sensory Memory is Brief Sensory info such as lights, smells, odours, etc. leave a trace on the nervous system, then vanishes. Sensory memorymemory for sensory info that is stored briefly in its original sensory form. Visual memory can be referred as iconic memory, whereas auditory memory can be referred as echoic memory . Sperling experimentflashing letters experimenticonic memory persisted for about one third of a second, after which the sensory-memory trace faded and was no longer accessible. www.notesolution.com
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