This
interleaving cannot always use “the rest of the [original] database” of previously learned
patterns because many of these patterns will no longer be explicitly available for representation
to the network. Once we have learned about penguins and wish to learn about,
say, mice or tractors, we do not have to continue to be shown penguins so as not to forget
them. Unfortunately, this is necessary for standard backpropagation networks to prevent
forgetting of previously learned patterns. When learning new information, the previously
learned information must once again be explicitly presented to the network, otherwise it may
be completely forgotten
Thisinterleaving cannot always use “the rest of the [original] database” of previously learnedpatterns because many of these patterns will no longer be explicitly available for representationto the network. Once we have learned about penguins and wish to learn about,say, mice or tractors, we do not have to continue to be shown penguins so as not to forgetthem. Unfortunately, this is necessary for standard backpropagation networks to preventforgetting of previously learned patterns. When learning new information, the previouslylearned information must once again be explicitly presented to the network, otherwise it maybe completely forgotten
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