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Procedural Memory

Procedural Memory. Psychology 3717. introduction. Different than memory for facts How do you read? How do you do math? How do you stop a puck? Not too easy eh!. properties. Such memory is implicit The memory bit shows up because we get better at stuff with practice

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Procedural Memory

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  1. Procedural Memory Psychology 3717

  2. introduction • Different than memory for facts • How do you read? • How do you do math? • How do you stop a puck? • Not too easy eh!

  3. properties • Such memory is implicit • The memory bit shows up because we get better at stuff with practice • We don’t know how we do, but we do • I keep getting better at NHL 2005 on my xbox, but I don’t know how

  4. Implicit memory • Knowing without remembering • Claperede’s pin prick • Dissociable from explicit memory • Most amnesiacs show totally normal implicit memory

  5. Priming • Priming shows up when you get enhanced identification of a previously seen but now degraded stimulus • The previous experience is NOT necessary to complete the task, but it helps (it primes) • Word fragment completion • Stem completion • Perceptual identification • Picture fragment completion in pigeons

  6. Characteristic of priming • RI has little effect • LOP has little effect (but see Challis and Brodbeck, 1992) • Hyperspecific • Stochastically independent of explicit memory

  7. Implicit learning • People can learn, indeed DO learn other tasks implicitly • Artificial grammars • Correlated events • Abstract concepts • Event sequences

  8. Problem solving • Start state and goal state • Problems can be well defined or sort of fuzzy • Heuristics and algorithms • We learn these things in many respects, implicitly

  9. Supermemory • Memory can be improved • View it as a skill • The case of Rajan • Chess experts • All about chunking it seems

  10. But how? • Info put into LTM quickly • Better retrieval techniques • Gets faster with practice

  11. Conclusions • Practice practice practice • Tends to be implicit • Often retained even after an injury

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