PSYC 256 Lecture Notes - Lecture 12: Sketchpad, Neuroimaging, Episodic Memory

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PROBLEMS WITH MODAL MODEL: STS
Continual Distractor Task
A typical distractor task after study reduces recency
But what if S distracted after every item on the list
o Get distracted between each item
If interference leads to forgetting, a continual distractor would reduce both primacy
and recency effects
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Word Length Effect
Longer words are more difficult to remember over short delays
Not the written length, but number of syllables
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Phonological Similarity Effect
Phonological stimuli
o Mad, man, cap, can, map
o Most effects on recall
Control stimuli
o Pen, rig, day, bar, sup
Semantic stimuli
o Big, huge, broad, long, tall
Control stimuli
o Old, late, thin, wet, hot
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Document Summary

Continual distractor task: a typical distractor task after study reduces recency, but what if s distracted after every item on the list, get distracted between each item. If interference leads to forgetting, a continual distractor would reduce both primacy and recency effects. Word length effect: longer words are more difficult to remember over short delays, not the written length, but number of syllables. Phonological similarity effect: phonological stimuli, mad, man, cap, can, map, most effects on recall, control stimuli, pen, rig, day, bar, sup, semantic stimuli, big, huge, broad, long, tall, control stimuli, old, late, thin, wet, hot. Wm: phonological loop: phonological store, replaces short-term store of modal model, maintains speech-based information for a short period of time, articulatory control process, translates information into auditory code, responsible for subvocal rehearsal to maintain memory trace. Irrelevant speech effect: vocal music is distracting, even if in language you don(cid:495)t speak, background noise.

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