what is pranayama's prerequitsite?

"dhyanam nirvishayam manah"

dhyana: contemplation of the image

dhyana: contemplation of the serpent power

dhyana: higher stage of meditation

in 'dhyanam nirvishayam manah,' what does there are no -sensory thoughts- mean?

hathayoga (physical health + harmony): cleansing

hathayoga (physical health + harmony): body postures

hathayoga (physical health + harmony): energy control

hathayoga (physical health + harmony): regulation of breath

hathayoga (physical health + harmony): abstraction of senses

hathayoga (physical health + harmony): meditation

hathayoga (physical health + harmony): self-realization

shat-karma (six cleansing processes): elimination of impurities; teeth, tongue, ear

shat-karma (six cleansing processes): cleansing of bowel; removes disease

shat-karma (six cleansing processes): cleansing of nasal canal; head + neck

shat-karma (six cleansing processes): abdominal massage; intensifies gastric fire

shat-karma (six cleansing processes): gazing w/o blinking; provides excellent vision

shat-karma (six cleansing processes): purification of frontal lobes; removes phlegm

is the withdrawal of the senses of cognition + action

is the complete mastery of the sense organs

is the process of holding or fixing the attention of the mind onto one object

here, the mind attains the ability to focus

deep absorption; essence of object, place, or point