How does a physicist view mental phenomenons?

[Pleonasm]

I am curious to know how modern physics stand on things that we cannot detect or measure, yet are very much present and real in everyday lifes such as the will and motivation. Is it reducible to physics even though you could never detect or measure it? Or do you consider them abstract phenomenons?

 

[fresh_42]

These questions belong to the field of philosophy and metaphysics which we don't discuss here. Although sometimes prominent physicists as Kaku or Hawking discuss those issues on TV, we have made the experience, that they usually lead to nowhere, esp. to no end or conclusion.

Thread closed.

(Thread will be re-opened if OP provides some sources that can be debated, possibly moved to the medical section then.)