Aitareya Upanishad gives a list of 16 functions of mind which represent the single generic term ‘Prajnana’ orcognition.
These are :
‘Samjnana‘ or awareness
‘Ajnana‘ or comprehension
‘Vignina‘ or understanding
‘Prajnana‘ or knowledge
‘Medha‘ or retentiveness
‘Drishti‘ or insight
‘Dhriti‘ or resolution
‘Mati‘ or opinion
‘Smriti‘ or memory
‘Manisha‘ or reflection
‘Juti‘ or impulse
‘Samkalpa‘ or conception
‘Kratu‘ or purpose
‘Asu‘ or vigor
‘Kaamah‘ or desire
‘Vasha‘ or will.
