Types of Memory. Information processing model. Sensory memory. Sensory memory. Senses Vision: iconic memory Auditory: echoic memory Purpose? Persistence: beyond physical duration Record until further processing Provides stability for senses. Photography: shutter speed. 1/30 1/500.
Vision: iconic memory
Auditory: echoic memory
Persistence: beyond physical duration
Record until further processing
Provides stability for senses
Task: You will see a grid of 12 letters very quickly. I will ask you to write down as many of the letters as you can after they are flashed.
Presentation time: 50ms
Whole report: 4 out of 12 (37%)
Auditory cue AFTER display
Partial report: 3 out of 4 (75%)
Rapidly decaying image!
Memory performance depends on three stages
Form of information
What is capacity of STM?
Rehearsal: use “inner voice” or“inner eye”
Examine how we RETRIEVE information
WM: Short-term processing and storage of information
Phonological loop: verbal rehearsal
Visuospatial sketch pad: visuo-spatial rehearsal
Central executive: controls processing and allocates resources
Logie, Zucco, & Baddeley, 1990