Effects of Metabolic Dysfunction–Associated Steatohepatitis on Learning and Alertness
Author Information
Author(s): Sara G. Higarza, Marina De Antón‐Cosío, Candela Zorzo, Jorge L. Arias, Natalia Arias
Primary Institution: INEUROPA, Instituto de Neurociencias del Principado de Asturias
Hypothesis
How does metabolic dysfunction–associated steatohepatitis (MASH) affect cognitive functions such as alertness and associative learning in adult male rats?
Conclusion
MASH is linked to mild cognitive dysfunction, particularly affecting alertness and exploration, without impacting associative learning or astrocyte density.
Supporting Evidence
- The MASH group showed reduced exploration in the passive avoidance test.
- MASH was associated with a mild alteration in the prepulse inhibition test.
- No significant differences in astrocyte density were observed between MASH and control groups.
Takeaway
This study found that a bad diet can make rats less alert and less curious, but it doesn't seem to hurt their ability to learn things.
Methodology
Adult male rats were fed a high-fat and high-cholesterol diet for 14 weeks, followed by tests for alertness and associative learning.
Potential Biases
Potential bias due to the use of a single animal model and diet composition.
Limitations
The study was conducted on a small sample size of male rats, which may limit the generalizability of the findings.
Participant Demographics
20 male Sprague-Dawley rats, aged and weight-matched.
Statistical Information
P-Value
0.026
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website