| Graded recall success: an event-related fMRI comparison of tip of the tongue and feeling of knowing (2005) | |||||||||||
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Abstract | |||||||||||
| www elsevier com locate ynimg NeuroImage Graded recall success event related fMRI comparison tip the tongue and feeling knowing Anat Maril Jon Simons Josh Weaver and Daniel Schactera Department Psychology Harvard University USA Institute Cognitive Neuroscience University College London Received May revised October accepted October Available online December Insights into memory retrieval processes can obtained examining graded recall success specifically tip the tongue TOT and feelingof knowing FOK states TOT defined recall failure accompanied strong feeling imminent retrieval and FOK recall failure accompanied feeling future ability recognize the item The present fMRI study examined the brain regions associated with both intermediate retrieval states within subject within memory system design Subjects were presented with general knowledge questions and were instructed respond each with one four options Know indicating successful retrieval the answer TOT FOK Don know indicating retrieval failure Different patterns activation several brain regions including prefrontal cortex were associated with TOT and FOK states For example TOT was associated with activation anterior cingulate right dorsal and inferior and bilateral anterior prefrontal cortex TOT and FOK elicited similar levels activation parietal regions both significantly greater than that associated with Know and Don know responses The results are interpreted the light theories the role prefrontal cortex recall and cogniti | |||||||||||
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