Researchers have uncovered a surprising role for astrocytes--cells surrounding neurons--in deciding which memories are kept or forgotten. By manipulating astrocytes in mice using optogenetics, scientists found that acidifying these cells after a traumatic experience leads to forgetting the memory over time, while alkalinizing them preserves it long-term. This suggests astrocytes significantly influence emotional memory retention and could inform treatments for conditions like PTSD.
Researchers have uncovered a surprising role for astrocytes--cells surrounding neurons--in deciding which memories are kept or forgotten. By manipulating astrocytes in mice using optogenetics, scientists found that acidifying these cells after a traumatic experience leads to forgetting the memory over time, while alkalinizing them preserves it long-term. This suggests astrocytes significantly influence emotional memory retention and could inform treatments for conditions like PTSD.
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