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2 clusters · 4 sources · 7 days · First seen · Last updated

Gut-brain axis research on memory formation

Overview

Researchers at the University of Southern California have identified a neural pathway connecting the digestive system to memory formation processes in the brain. Studies conducted on rats indicate that the vagus nerve transmits metabolic signals from the gut to the hippocampus, the region responsible for memory.

Findings suggest that the consumption of nutrient-dense food triggers the release of substances, such as the neurotransmitter acetylcholine, which aids in memory and brain plasticity. This mechanism appears to prioritize nutritional value over taste, helping organisms remember the locations of food sources.

However, the research also indicates that dietary habits can impact this connection. Long-term consumption of a ‘Western diet’ high in sugar and fat can weaken the signaling between the gut and the hippocampus, leading to impaired spatial memory. These impairments may persist even after a transition to a healthier diet.

Entities

University of Southern California · vagus nerve · University of California, San Francisco · University of California, Berkeley · hippocampus

Timeline

  1. about 16 hours ago

    [HEALTH] 2 sources
    Vagus nerve pathway links digestion to memory formation

    A study published in Nature Communications reveals that the vagus nerve transmits nutrient signals from the gut to the hippocampus, triggering acetylcholine release to aid memory formation.

  2. 7 days ago

    [HEALTH] 2 sources
    University of Southern California study links gut signals to food memory

    University of Southern California researchers found that the gut and vagus nerve help the brain remember nutrient-dense food, though high-sugar diets can impair this connection.

Sources

it-boltwise.de · psypost.org · rmf24.pl · zdrowie.senior.pl