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Neuroreport. 2011 Aug 3;22(11):515-9. doi: 10.1097/WNR.0b013e328348aa0c.

Iconic memory and parietofrontal network: fMRI study using temporal integration.

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Department of Psychology, Teikyo University, Hachioji-shi, Teikyo University Medical School, Itabashi-ku, Tokyo, Japan.


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.

[Indexed for MEDLINE]

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