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Psychologists have been studying associative memory since the 19th century.
Neuroscientists at the University of California, Irvine discovered that there are certain types of neurons in the brain's memory center that are responsible for acquiring new associative memories
"Although associative memory is the most basic form of memory in our daily lives, the mechanism of associative memory is still unclear," said lead researcher Kei Igarashi
This study, published today in the journal Nature, reports for the first time that specific cells in the medial lateral endoscopic cortex of the temporal lobe, called sector cells, are necessary for new associative memory.
In this study, the researchers used electrophysiological recording and optogenetics to record and control the activity of mouse fan cells because they learned to associate specific odors with rewards
"We never thought that dopamine would participate in the memory circuit
This discovery is an important part of understanding the puzzle of how memory is formed in the brain, and laid the foundation for other researchers to continue research
Journal Reference :
Lee, JY, Jun, H.