1. Very loud over powering music for more than 10mins would put you in a trance. Maybe this is the principle of clubs.
2. You hear someone speak about something that you really yearn to know. e.g.: Something deeply emotional
3. A moment of Awe or deep wonderment on an external object. e.g.: Seeing a pyramid for the first time(assuming you've never read about it or seen a picture of it)
1. Consuming drugs like ecstasy that amplify your senses high enough that your thinking cannot function anymore
2. Orgasm - All conscious thought is suspended at the climax moments