Brainwaves frequency higher than Beta?

[Maurizio MORABITO; Tel.6661]

In article <478oma$co at mn5.swip.net> m-16389 at mailbox.swipnet.se (Danko) writes:

   Is it possible to make the human brain
   produce waves with frequency higher
   than Beta (>30Hz)? 

It's not uncommon to record 40Hz signals

   What effects would 
   that have? 

Think about it
--

Maurizio Morabito  |"I for one could  offer a lot  of thoughts on any
maurizio at nibh.go.jp| subject,but in many cases they would be based on
                   | speculation at best, or misinformation at worst"
Tsukuba, Japan     | D.P.Chassin
 WWW = ftp://ripsport.aist.go.jp/pub/outgoing/maurizio/maurizio.html