COGNEURO CH 6.docx - 1 6 MEMORY Can we implant memories o Yes \u2013 if we can localize memory storage in brain o Creating a false memory in the

COGNEURO CH 6.docx - 1 6 MEMORY Can we implant memories o...

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1 6. MEMORY Can we implant memories? o Yes – if we can localize memory storage in brain o Creating a false memory in the hippocampus Tip-Of-The-Tongue o A feeling that one knows a response yet is unable to produce it o Familiarity without recollection MEMORY SYSTEMS What Is Memory? Memory: the knowledge of a former state of mind after it already once dropped from consciousness o The knowledge of an event, or fact, of which meantime we have not been thinking, with the additional conscious that we have thought/experienced it before The Modal Model of Memory o Atkinson & Shiffrin (1968) – a model of memory Computer Analogy o Alan Baddeley & Graham Hitch (1974) o STM is like a computer’s integral memory Amount of memory highly limited Extremely fast, directed access based on pointers Useful for fast online computations Gone even when power off o LTM is like external storage Amount of memory is very large Slow access via internal memory Useful for retaining information for later use Short-Term Memory (STM) o “The magical number 7 +/- 2” (Miller, 1956) o Luck & Vogel (1997) o Capacity & Cognitive Ability Gold et. Al 2010 Long-Term Memory (LTM) o Virtually unlimited capacity o Standing (1973) - found almost perfect retention regardless of the number of study items STM & LTM differ in how much information can be stored …. For how long? o STM: Short-Lived Gradual Decay in STM Peterson & Peterson 1959 Sudden Forgetting in STM Information maintained in STM for a few seconds o Durability of LTM Lifetime memory
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  • Fall '10
  • Melton

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