1. A study with 33 subjects has less power than... pretty much anything out there that has power (statistical power). 17 out of how many? 16 out of how many? Nobody will be able to extrapolate any results from this. Credibility = zero.
2. The statement :
IAD "may share psychological and neural mechanisms with other types of impulse control disorders and substance addiction."
is a perfect example of "duh!". All addictions out there share a common trait, which is a positive reward feedback loop, and IAD is no different from, say, cocaine addiction in that respect. Which leads us to
3. " In addition, the scientists believe that other white matter integrity treatments could also work for cases of Internet addiction." This is so far fetched, I don't even know where to start. If addictions (see 2.) were that easy to treat, the world would be an entirely different place. First, there is no causality demonstrated between the so-called structural white matter abnormality and addictions per-se. Addictions have the object of studies for decades, and if it were that simple, we would have had a cure by now. ANY addiction. Second, the reward mechanisms involve dopamine and other neurotransmitters, and are not related anatomically, but physiologically. Those guys could have studied any addiction (like a million other researchers before them) and could have used hundreds of subjects available out there. The power of the study would have been higher, but the results likely not the ones they were looking for.
I call major BS; this is at best anecdotal report, not a study.