New neurons

Suppressing a stem cell enzyme improved cognition in aging mice

Experiments in aged mice found that suppressing a brain stem cell enzyme restored the function of circuits that restrain nerve cell activity.Experiments in aged mice found that suppressing a brain stem cell enzyme restored the function of circuits that restrain nerve cell activity.

Limit: Cognitive improvement is reported without cognitive test details or effect sizes

Tetanus vaccine ingredient improved learning and memory in aging mice

An experiment in twelve-month-old mice found better learning and memory alongside more immature nerve cells and greater insulation around nerve fibres.An experiment in twelve-month-old mice found better learning and memory alongside more immature nerve cells and greater insulation around nerve fibres.