Washington: Have you ever had one of those experiences when you recognize someone’s face, but are unable to recall their name?
The researchers investigated the neural basis of our ability to recognise different types of stimuli under different conditions. Of specific interest were two types of recognition memory: ``object-in-place recognition memory`` (remembering where we put our keys), and ``temporal order recognition memory`` (when we last had them). Neither ``object-in-place`` or ``temporal order recognition`` memories could be formed if communication between the hippocampus and either the perirhinal cortex, or the medial prefrontal cortex, was broken. In other words, disconnecting the regions prevented the ability to remember both where objects had been, and in which order. Finding that these regions must all act together has important implications for understanding memory and helping treat people with memory disorders such as Alzheimer`s disease, the researchers said. The study has been published in the Journal of Neuroscience. ANI
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