PSY100H1 Lecture Notes - Lecture 6: Memory Consolidation, Echoic Memory, Sensory Memory
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A memory system that momentarily preserves extremely accurate images of sensory information e. g. , sperling experiment: iconic (lasts about 1/3 of a second) & echoic (lasts about 2 seconds) systems. Iconic and echoic memory systems help us to experience the world as a continuous stream. Attention is the process that moves information from the sensory store to short-term memory. A limited capacity memory system involved in the retention of information for brief periods (20 - 30 seconds) Note: working memory models have elaborated on this considerably: 3 main systems: phonological loop, visuospatial sketchpad, central executive\ Capacity of stm is 7(+/-2) units: we overcome the limits of stm through chunking (storing information in patterns), or units of meaning, stm is like a workbench with approximately 7 items on it. When a new item is put on the bench, another one falls off. For information to be remembered, it needs to be transferred from short-term memory to long-term memory.
