Suzanne: That's part of what the trials of the device are seeking to determine... As for me, there can sometimes be some after-tingling if I've done a 6-9 hour session, but then, for a couple of days, I find I'm more attune to my sense of taste, as if everything is a new taste discovery. Don't know for others. Nick -----Original Message----- From: optacon-l-bounce@xxxxxxxxxxxxx [mailto:optacon-l-bounce@xxxxxxxxxxxxx] On Behalf Of Suzanne Erb Sent: Monday, November 05, 2012 10:17 AM To: optacon-l@xxxxxxxxxxxxx Subject: [optacon-l] Re: Brainport Of course, this is part of the evolutionary process. I also believe that this offers more possibilities than an implant would. I wonder about the long-term effects on the tongue Suzanne. to view the list archives, go to: www.freelists.org/archives/optacon-l To unsubscribe at any time, just send a message to: optacon-l-request@xxxxxxxxxxxxx with the word "unsubscribe" (without the quotes) in the message subject. Tell your friends about the list. They can subscribe by sending a message to: optacon-l-request@xxxxxxxxxxxxx with the word "subscribe" (without the quotes) in the message subject.