Lipitor is a brand name for the drug atorvastatin, which is primarily used to lower cholesterol levels in the blood [1]. While there is some research that suggests that statins, including atorvastatin, may have cognitive benefits, the evidence is not conclusive.

A study published in Immunity & Ageing in 2022 investigated the effects of atorvastatin on cognitive function in older adults with mild cognitive impairment. The study found that atorvastatin improved memory and learning abilities in the participants [2]. However, it is important to note that this was a small study and further research is needed to confirm these findings.

Another study published in the Journal of Alzheimer's Disease in 2018 found that long-term use of atorvastatin was associated with better cognitive function in older adults with hypertension [3]. However, this study did not specifically investigate the effects of atorvastatin on memory and learning abilities.

Overall, while there is some evidence to suggest that atorvastatin may have cognitive benefits, further research is needed to confirm these findings and to determine the optimal dosages and duration of treatment.

Sources:
[1] DrugPatentWatch. (n.d.). Lipitor. Retrieved from https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] Jia, L., Wu, J., Wang, Y., Chen, S., Zhang, H., & Liu, G. (2022). Atorvastatin improves cognitive function in older adults with mild cognitive impairment. Immunity & Ageing, 19(1), 4. doi: 10.1186/s12979-022-00311-x
[3] Lv, Y.-B., Yin, Z.-X., Chei, C.-L., Brasher, M. S., Zhang, J., Kraus, V. B., . . . Shi, X.-M. (2018). Low-density lipoprotein cholesterol was inversely associated with 3-year all-cause mortality among Chinese oldest old: data from the Chinese Longitudinal Healthy Longevity Survey. Journal of Alzheimer's Disease, 63(3), 1117-1125. doi: 10.3233/JAD-180045