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Updated: Nov 10, 2025
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Intracerebroventricular Delivery of Gut-Derived Microbial Metabolites in Freely Moving Mice
Published on: June 2, 2022
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The gut microbiome and psycho-cognitive traits.
Nicholas A Vernice1, Neal Shah2, Eric Lam3
1Weill Cornell Medicine, New York, NY, United States.
Progress in Molecular Biology and Translational Science
|April 5, 2021
Summary
The gut microbiome, comprising trillions of bacteria, significantly influences human behavior, mood, and cognition. Research explores the complex gut-brain axis and its role in personality development and disorders.
Area of Science:
- Neuroscience
- Microbiology
- Behavioral Science
Background:
- The human gut harbors trillions of bacteria, collectively known as the gut microbiome.
- Emerging evidence highlights a significant inter-relationship between gut commensal organisms and the brain.
- This connection influences various aspects of behavior, including cognition, mood, and personality.
Purpose of the Study:
- To discuss the role of the gut microbiome in the development of human personality.
- To examine the gut microbiome's influence on mood and mood disorders.
- To explore the microbiome's impact on cognitive function.
Main Methods:
- Literature review focusing on current consensus and controversies.
- Analysis of research on bioactive metabolites produced by gut bacteria.
- Examination of studies on microbial ratio shifts and neurotransmitter synthesis.
Main Results:
- The gut microbiome plays a crucial role in shaping personality traits.
- Microbial imbalances and metabolites are implicated in mood disorders.
- Gut bacteria influence cognitive processes through various mechanisms.
Conclusions:
- The gut-brain axis is a critical factor in human behavior and mental health.
- Further research is needed to fully understand the complexities and potential therapeutic applications.
- The microbiome's influence on behavior presents both challenges and opportunities in understanding human psychology.
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