Patanjali Yoga Sutra – Samadhi Pada- Fivefold Modifications of Mind(1.6)
1.6. Pramana-viparyaya-vikalpa-nidra-smrtayah,
- pramana- Right Knowledge
- viparyaya- Wrong Knowledge
- vikalpa- Fancy
- nidra- Sleep
- smrtayah- Memory
The fivefold modifications of mind are, (i). Right Knowledge, (ii).Wrong Knowledge, (iii). Fancy, (iv). Sleep and (v). Memory.