I often catch myself taking photographs, which I should not really take. There must be some contorted circuit in my brain, which tells me: See? Isn’t it interesting? – or – This should not be there! Photograph it !
In most cases the result is not that great.
I believe, the reason is, that it is the rational part of the brain that “orders” me to photograph, not the intuitive, poetic side, which is sensitive to forms and emotions and capable of that “mindless” perception typical of the creative process.