Sensory and motor symptoms :
- the feeling of cranial pressures
- the perception of inner sounds
- experiences of inner lights
- vibrating or tickling sensations in the lower back
- tachycardia (rapid heart rate)
- changes in breathing
- spontaneous bodily movements
- sensations of heat or cold moving through the body
- localized bodily pain that starts and stops abruptly
- vibrations and itching under the skin
- unusual, or intense, sexual sensations
Mental and affective symptoms:
- fear
- anxiety
- depersonalization
- intense positive or negative emotions
- spontaneous slowing or speeding of thoughts
- spontaneous trance states
- experiencing oneself as larger than the physical body
- experiences of paranormal consciousness
http://en.wikipedia.org/wiki/Kundalini_syndrome