Four Variable Mental States; 四不定心所; Tibetan: གཞན་འགྱུར་བཞི (shyen gyur shyi); Wylie: gzhan ‘gyur bzhi; Sanskrit: Aniyata;
Four variable Mental States (Aniyata) has nature that varies according to the motivation and other mental states. They are part of Fifty-one mental states (ekapancasaccaitasika):
- Sleep (middha) 睡眠
- Regret (kaukritya) 惡作
- Conception (vitarka) 尋
- Discernment (vicara) 伺
四不定心所是五十一心所的部分。