The 5 Kinds of Modifications of the Mind
Sutras 6 through 11 of Book One of the Yoga Sutras of Patanjali 6. [The five kinds of modifications are] right knowledge [pramana], wrong knowledge [viparyaya], fancy [vikalpa], sleep [nidra], and memory [smritaya]. Each of these merits an individual consideration. Pramana includes the means of valid knowledge, logical proof, and the