"Emotions" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.
MeSH information
Those affective states which can be experienced and have arousing and motivational properties.

This graph shows the total number of publications written about "Emotions" by people in this website by year, and whether "Emotions" was a major or minor topic of these publications.
Bar chart showing 6990 publications over 29 distinct years, with a maximum of 695 publications in 2017
To see the data from this visualization as text, click here.