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Updated: Monday, April 12, 1999 10:50:12 AM

Schemas & Just world Belief Classical Conditioning Operant Conditioning
Sensory Memory Short Term Memory Long Term Memory
Confidence and Memory Heuristics Attribution
Norms Social Influence & Obedience All Notes in one view

Section 2: Sensory Memory

Cognitive Psychology - Studies what is going on in the mind. – studies perception, memory, and verbal learning.

Acoustic sensory storage is called Echoic – (Only for sound)

Duration is about 2 seconds

Example: You are watching TV and someone talks to you. You respond to the sound of the voice by saying "Huh?". After a second, you suddenly remember what the person said. It is like a memory buffer.

Visual Sensory memory is called Iconic

Duration is about 200 milliseconds.

Note the discrepancy of about 800 percent difference between acoustic and visual

When given the following image, as a Flash within 50 milliseconds,
A person has a tendency to remember 4 random characters.

visual_stimulus.jpg (4411 bytes)
But if immediately after the image is gone, and a marker is placed
At the beginning of the line which is desired to store in memory,
The person has the ability to completely memorize the entire line.
visual_stimulus.jpg (4411 bytes)





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