Memory- the persistence of learning over time through the storage and retrieval of information. importance- research on a memories extremes has helped us understand how memory works. 
Working Memory- a newer understanding of short-term memory that focuses on conscious, active processing of incoming auditory and visual-spatial information, and of information retrieved from long-term memory. importance- better understanding of Atkinson and Shiffrin’s second stage, concentrates on the active processing of information in this intermediate stage. 
Parallel Processing- the processing of many aspects of a problem simultaneously. importance- the brain’s natural mode of information processing for many functions; contrasts with the step-by-step processing of most computers and of conscious problem solving. 
Automatic Processing- unconscious encoding of incidental information, of well-learned information, such as word meanings. importance- without conscious effort you automatically process information about space, time, frequency, and well-learned information. 
Effortful Processing- encoding that requires attention and conscious effort. importance- often produces durable and accessible memories. 
Rehearsal- the conscious repetition of information, either to maintain it in consciousness or to encode it for storage. importance- creates knowledge or learned information. 
Spacing Effect- the tendency for distributed study or practice. importance- yields better long-term retention than is achieved through massed study or practice. 
Serial Position Effect- our tendency to recall best the first and last items in a list. importance- further illustrates the benefits of rehearsal. 
Mnemonics- memory aids, especially those techniques that use vivd and organizational devices. importance- organizes information into a simpler format. 
Chunking- organizing items into familiar, manageable units. importance-