I don't have a difinitive answer on this, but it would seem that an
interrupting a task might make the task distinctive and cause some
emotional reaction. Either of these might facilitate remembering.
Milton Steinberg
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while teaching a unit on STM/LTM
If you use correlational opponent processing via wavelets or associational
reciprocal inhibition as your model these conflicts may not seem as
important. Stimuli would have natural wavelet structures which could result
in speeding up learning from the Zeigarnik effect. Since memory is always