Figure 5 Network map of co-occurring keyword clusters. Time slicing: January 2010 to September 2021, Slice length: 1 year, Node types: keywords, Top N=50, pathfinder and pruning the merged network, N=124, E=145, choose all in one, the keywords sources, the Log-likelihood ratio (LLR) algorithm to label clusters, the Modularity (Q=0.8266), and the Mean Silhouette (S=0.978). #0 expression (S=0.963); #1 women (S=0.956); #2 sex (S=1); #3 working memory(S=1); #4 health initiative memory (S=1); #5 receptor(S=1); #6 mice (S=0.897); #7 dendritic spine density(S=0.979); #8 neurogenesis (S=1); #9 hippocampal neuron (S=1). (Software: CiteSpace 5.7.R5W, Drexel University, Philadelphia, USA).