Belief is half of healing in some cases.
The influence of attention on the neuronal response is relatively independent of the stimulus contrast, at least when the stimulus has enough contrast to become visible. This shows that attention adds to the neuronal responses in a largely contrast invariant manner
Three strategies which a local municipality could implement to address lack of clean water would depend on where this occurred. If it was in a big city, the municipal water source would have to be tested to determine the quality of the water and what was making it unclean, and then decide on the type of treatment and finally to implement the financing and building of a treatment plant such as the state of the art one built for Vancouver, BC, Canada recently.
