Related Experiment Video
Updated: Jul 1, 2025

Intracerebroventricular Delivery of Gut-Derived Microbial Metabolites in Freely Moving Mice
Published on: June 2, 2022
Probiotics as modulators of gut-brain axis for cognitive development
Akash Kumar1, Bhagavathi Sundaram Sivamaruthi2,3, Swarnima Dey1,4
1Department of Food Technology, SRM University, Sonipat, Delhi, India.
Probiotics may improve cognitive health by restoring gut microbiota balance and reducing inflammation. Further research is needed to ensure the safety and efficacy of probiotics for neurological conditions.
Area of Science:
- Microbiology
- Neuroscience
- Immunology
Background:
- The human gut microbiota (GM) plays a crucial role in various physiological processes, including immunity and digestion.
- Emerging research highlights the gut-brain axis, a bidirectional communication network linking gut health to brain function.
- Gut dysbiosis is associated with neurological complications and cognitive deficits.
Purpose of the Study:
- To review the role and significance of probiotics in cognitive health.
- To explore the potential of probiotics in preventing and managing neurological disorders.
- To discuss the mechanisms by which probiotics influence the gut-brain axis.
Main Methods:
- Review of pre-clinical and clinical studies on probiotics and cognitive function.
- Analysis of the impact of probiotics on gut microbiota composition and function.
- Examination of the effects of probiotics on inflammatory markers and neurotrophic factors.
Main Results:
- Probiotics can restore healthy GM, reduce intestinal pH, and decrease pathogenic microbes.
- Probiotics positively modulate the gut-brain axis through humoral, immunological, endocrine, and neural pathways.
- Probiotics have demonstrated potential in improving cognitive deficits and neurological complications.
Conclusions:
- Probiotics represent a promising therapeutic strategy for enhancing cognitive health.
- Restoring gut microbiota balance with probiotics may mitigate neurological issues.
- Further investigation into the safety and optimal use of probiotics for cognitive enhancement is warranted.
Related Concept Videos
Anatomy of the Intestines
Small Intestines
The small intestine is an ~7 meter-long tube with an inner diameter of just 2.5 cm. Since most nutrients are absorbed here, the inner lining of the...
Irritable Bowel Syndrome I: Introduction
IBS is a chronic condition that can persist over a long period or recur frequently.
The pathogenesis of IBS involves a complex interplay of the following factors:
Altered...
Cognitive Enhancers: Cholinesterase Inhibitors and NMDA Receptor Antagonists
Neurotransmitters
Neural Regulation
Physiology of Enteric Nervous System and Gut Health

