A bibliometric analysis of cerebral microbleeds and cognitive impairment

•Bibliometric analysis reveals a strong link between CMBs and cognitive impairment.•CMBs can accumulate and impact the corresponding brain networks.•There are contradictions between the study of cerebral microbleeds and different types of cognitive impairment.•CMBs are involved in the occurrence and development of cognitive impairment.•Cerebral microbleeds may be a key marker for detecting, quantifying, and predicting cognitive impairment.