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Unformatted text preview: ion, they
tend to be very cautious about saying a test
item is “old.” That is, they have a
conservative bias or criterion.! When subjects realize that most of the test
items were from the study session, they
tend to be very lax about saying a test item
is “old.” That is, they have a liberal bias
or criterion.! Large regions of the prefrontal and parietal cortex are involved in the
control and biasing of memory retrieval.!
Saw typically pattern of retrieval for conservative trial, but when they change their (criterion) bias to a more lax, that a lot of that activation goes away.
What this study is trying to say is that all those areas of the PFC are necessarily involved in content of the memory, but they are involved in biasing the response. In the
scanner, a lot of people who go into the scanner are trying to focus on getting the question right. Content vs. Control: Cortical Inﬂuences on Encoding and Retrieval! Memories,!
Light the corners of my mind!
Misty water-colored memories!
Of the way we were!
Of the smiles we left behind!
Smiles we gave to one another!
For the way we were!
Can it be that it was all so simple then?...
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- Fall '11