How are gut microbes connected to memory?

Bacteria and brain

Researchers at the Pacific Northwest National Laboratory are studying how bacteria in the gut can affect the brain’s memory function. (PNNL Illustration)

AUSTIN, Texas — Can probiotic bacteria play a role in how well your memory works? It’s too early to say for sure, but mouse studies have turned up some clues worth remembering.

Preliminary results suggest that giving mice the kinds of bacteria often found in dietary supplements have a beneficial effect on memory when it comes to navigating mazes or avoiding electrical shocks.

One such study, focusing on mazes and object-in-place recognition, was published last year. And researchers from the Pacific Northwest National Laboratory in Richland, Wash., are seeing similarly beneficial effects on memory in preliminary results from their experiments.

PNNL’s Janet Jansson provided an advance look at her team’s yet-to-be-published findings here today at the annual meeting of the American Association for the Advancement of Science.

Get the full story on GeekWire.

About Alan Boyle

Award-winning science writer, creator of Cosmic Log, author of "The Case for Pluto: How a Little Planet Made a Big Difference," president of the Council for the Advancement of Science Writing. Check out "About Alan Boyle" for more fun facts.
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