It could be any chakra to be honest depending on how it is tangled with other emotions and thoughts.
I am by no means a master in spiritual topics, perhaps a veteran on here could provide a more useful insight into your case.
You could read more on spiritual bodies. You could read more on here :
http://www.energyreality.com/index.htm#tour
I wish I could be more helpful however that is all I can do for you for now.
You could also look on "awakening symptons". Have a read here.
http://in5d.com/signs-and-symptoms-o...ual-awakening/
At times I believed I was bipolar too and other things due to hearing voices and other things. Instead , it appears I am undergoing a descending awakening, which basically means the director upstairs pulls the strings when it is the right time.