Skip Navigation LinksHome > August 3, 2011 - Volume 22 - Issue 11 > Iconic memory and parietofrontal network: fMRI study using...
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doi: 10.1097/WNR.0b013e328348aa0c
Learning and Memory

Iconic memory and parietofrontal network: fMRI study using temporal integration

Saneyoshi, Ayakoa; Niimi, Ryosukeb; Suetsugu, Tomokob; Kaminaga, Tatsuroc; Yokosawa, Kazuhikob

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We investigated the neural basis of iconic memory using functional magnetic resonance imaging. The parietofrontal network of selective attention is reportedly relevant to readout from iconic memory. We adopted a temporal integration task that requires iconic memory but not selective attention. The results showed that the task activated the parietofrontal network, confirming that the network is involved in readout from iconic memory. We further tested a condition in which temporal integration was performed by visual short-term memory but not by iconic memory. However, no brain region revealed higher activation for temporal integration by iconic memory than for temporal integration by visual short-term memory. This result suggested that there is no localized brain region specialized for iconic memory per se.

© 2011 Lippincott Williams & Wilkins, Inc.


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