PSY270H5 Lecture Notes - Lecture 6: Implicit Memory, Henry Molaison, Anterograde Amnesia
Document Summary
Double dissociation of stm and ltm questions the information flow depicted in the modal model. Sperling"s experiment (1960: quickly presented rows of letters and asked participants to report them all (whole report)- difficult. Amount of information that is stored is durable enough to report seems limited (limited capacity of short-term memory: after the quick presentation, played a tone (auditory cue) to indicate what row to report (partial report)- easy. Large amount of sensory information has to be stored somewhere so that working memory can access it for partial report (large capacity of sensory information: manipulated the timing of cueing- performance decreased monotonically. Information in this large-capacity memory storage becomes inaccessible rapidly over time (quick decay of sensory storage: presented intervening mask before cue- no more cueing benefit. Information in sensory information is vulnerable against interference (sensory memory is prone to interference, but. Usually requires little effort, but is most effective only for short term retention of information.
