Memory

Optogenetic stimulation of a hippocampal engram activates fear memory recall

In plain English

Optogenetic reactivation of hippocampal neurons tagged during fear learning induced freezing behavior in mice.

On the show1
  1. EP 61

    Nobel Prize in Medicine 2026 Explained: Optogenetics

    How did proteins from algae give scientists control over brain cells? We explain the 2026 Medicine Nobel, optogenetics, memory experiments and early medical applications.

    Nobel Prize in Medicine 2026 Explained: Optogenetics
Authors7

Xu Liu, Steve Ramirezorcid, Petti T Pang, Corey B Puryear, Arvind Govindarajan, Karl Deisseroth, Susumu Tonegawa