Existence of “silent engrams” suggests that existing models of memory formation should be revised.
Thin fibers could be used to deliver drugs or electrical stimulation, with less damage to the brain.
New findings shed light on how we quickly assess risks and rewards before acting.
Tissue-expansion technique could allow scientists to map brain circuits.
New findings challenge standard model of memory consolidation.
Surprisingly, the neurons are located in a brain region thought to be linked with fear.