The reappearance hypothesis the same memory can reappear unchanged repeatedly

The reappearance hypothesis the same memory can

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The reappearance hypothesis: the same memory can reappear, unchanged, repeatedly Evidence against this is that remembering an event changes the underlying mem trace FLASHBULB MEMORIES where were you when 9-11 happened? Two necessary features for flashbulb memories: Surprise and Consequence.
PSYC 213 Winter 2018 Malka A-r Flashbulb memories are vivid detailed memories of significant events. Typically public events. Typically emotionally arousing. BROWN AND KULIK’s Now Print Theory: significant experiences are immediately “photocopied” and preserved in our long term memory. TALARICO and RUBIN asked about 9/11 and other personal memories to compare flashbulb memories vs. regular memories. Foud that flashbulb memories change over time like regular memories in terms of details but the experience of remembering them changes differently than regular memories HIRST ET AL. : are ppl more consistent with recalling certain types of details from flashbulb memories?. They asked ppl abt objective details ( number of planes, nuber of airlines) and emotional details ( reactions to hearing news) about 9/11. 1 week after attack, 1 year after and 2 yr after. They found that for (only) flashbulb memories , emotional details are less consistent over time compared to objective questions. EN RESUME: flashbulb memories are NOT recordings of events, they change over time. Emotional details are less consistently recalled across time. Personal experiences (eg distance) influences forming flashbulb memories MEMORY CONSOLIDATION experiences are encoded and the consolidates into a long term memory trace. The formation of stable cortical representations of memories Learning stimulus Short term memory CONSOLIDATION Long term MEMORY RE-CONSOLIDATION The act of recalling a consolidated memory makes it de-stable or an active memory. Once a memory is active, connections can be strengthened and modified before being reconsolidated . Memories are dynamic! WATCHHHHHHH SLIDE 38 FOR MEMORY RECONSOLIDATION 2.Memory schemas: Information extracted from overlapping experieces. Helps organize information retrieval. Reflects connections between existing information with a current experience What we expect to find as we explore the world or learn new information. A way to organize and categorize information. BARTLETT: war of ghosts experiment: particip read story abt men huntil seals. Asked to reproduce that story and examined how it changed. a. method of repeated reproduction partic read stry , recalled it 15 min later , then later, then later. Does the story change across time? b. Method of serial reproduction participant A says it to B, B says it to C How does story change across people First finding: participants remembered a simplified version of the story Second finding: story became more conventional with repeated retrieval (in other words closer to the participant’sschema: there were omissions/
PSYC 213 Winter 2018 Malka A-r changes that followed the process or rationalization: people dropped or changed material that didn’t fit their schema
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