God and Temporal Lobes
Why do we believe in God? though the below maybe not be a complete explanation, however, gives a very interesting insight.
A very interesting case and explanation by Dr. V.R. Ramachandran.
Watch parts 1,2 and 3 to get the idea.
An interesting explanation of Hyperreligiosity.
What are Temporal lobes? better read from below rather than me writing lengthy paragraphs.