NTSR1 Gene and Working Memory
Author Information
Author(s): Li Jin, Chen Chuansheng, Chen Chunhui, He Qinghua, Li He, Li Jun, Moyzis Robert K., Xue Gui, Dong Qi
Primary Institution: National Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University
Hypothesis
Are genetic variants in the NTSR1 gene associated with working memory performance in humans?
Conclusion
NTSR1 SNP polymorphisms were significantly associated with variance in working memory performance among healthy adults.
Supporting Evidence
- Two SNPs in the NTSR1 gene were significantly associated with working memory performance.
- The study extended previous rodent findings that neurotensin deficiency impairs working memory.
- The mean accuracy of all subjects on the working memory task was 0.85.
Takeaway
This study found that certain genes can affect how well people remember things. Specifically, a gene called NTSR1 is linked to better working memory.
Methodology
The study assessed 460 healthy undergraduate students using a 2-back working memory task and genotyped 5 SNPs in the NTSR1 gene.
Potential Biases
The study only included Han Chinese college students, limiting generalizability to other populations.
Limitations
The study was associative and did not explore biochemical effects of the SNP variants on NTSR1 protein function.
Participant Demographics
460 healthy undergraduate students (261 females, aged 18-23 years, mean age 20.4 years).
Statistical Information
P-Value
4.6×10−4
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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