> If they grow up together they
> are going to have very similar personalities and simply tend
> to come to the same thoughts in the same way. If you can show
> communication at a distance that's another matter. But
> just because they have 'the same thoughts' when in the same
> situation I would not ascribe that to any 'psychic' powers or
> relationship. I have heard that some ESP studies have been
> done with twins, but I think the results were inconclusive.
This can be the case with just normal siblings as well. Doesn't take twins.