A new study by scientists at The Picower Institute for Learning and Memory at MIT provides the most comprehensive and rigorous evidence yet that the mammalian brain stores a single memory across a widely distributed, functionally connected complex spanning many brain regions, rather than in just one or even a few places. Memory pioneer Richard Semon had predicted such a “unified engram complex” more than a century ago, but achieving the new study’s affirmation of his hypothesis required the application of several technologies developed only recently. In the study, the…
