I see a good effort but you since it has work in medicine are very well, but you need a different approach with education:

http://baywood.metapress.com/app/home/contribution.asp?referrer=parent&backto=issue,1,7;journal,94,192;linkingpublicationresults,1:300321,1

This is a book: http://books.google.com/books?hl=en&lr=&id=PsiLjRHr1JQC&oi=fnd&pg=PR5&dq=positive+technology+Riva++learning+teaching&ots=GkQjPoRKd_&sig=eTI9W0l-skYC30fNOAVuaTjFa6U#v=onepage&q&f=false

I have read more about this from other perspective, but why not in Education?

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Many thanks for all these useful suggested references. Among these I already know Gaggioli. Yes, you are right, I refer especially to the education field, I am interested to understand whether the use of technologies in learning-teaching process can increase/decrease the cognitive effort in learning to play an instrument (for example). Perhaps the most correct questions would be: what is today the link between involvement (pleasure) and cognitive effort in the positive technologies (with educational purposes)?

If you think from the pedagogical point of view, there are people around saying YES and people saying NO. One first problem is the access to technology and of course, I see a conceptual issue, and it's the fact people understand technology as tablets, and computers, but technology meaning is bigger, since includes pencils, and every tool made by men to solve a problem.

You can find very easy sites, or people saying this apps are awesome and there are even groups focused specially on tech, one of them is Learning without frontiers.

Now if you ask from a neurocognitive point of view, the story can be even more interesting, because our brain has evolve during millions of years and it has proved that the best way to help to any specie to survive is the adaptation to the environment, so no matter what change you do or new device or new tasks you add, brain will adapt, in order to reply to the environment.

However, that doesn't make next generation smarter, except if that same answers must be done generation over generation, and IF they are teach them, as example you have reading and writing, even if they are in human kind since so many years, they can't be acquired with not training, and there are not specialist ares in brain to them, they share the same areas than language and sight.

So, if in your environment you need to use devices and you find the way to make them part of any task, It will look like you are more intelligent. But... if you see numbers, people only use a 5% of all the apps correctly and in a daily base and only a 60% of total population of the world have access of internet, and from them, only 10% or less has high speed, the rest has a very bad connection.

Now, you can be a super geek person, when you go to a place with no power or not internet, how would you survive?, so the important is not reply based on a gadget, but depending the kind of answers you can exhibit in different environments, that's the main reason of learning as a skill to every specie on earth.