the quran on cerebrum

Allah said in the Qur’aan about one of the evil unbelievers who forbade the Prophet Muhammad (sallallahu 'alaihi wa sallam) from praying at the Ka'abah:

«"Let him beware! If he does not stop, We will take him by the forelock (front of the head), a lying, sinful forelock!"» [Qur’aan 96 :15-16]

Why did the Qur’aan describe the front of the head as being lying and sinful? Why didn't the Qur’aan say that the person was lying and sinful?
Is there a relationship between the front of the head and lying and sinfulness?

The Arabic word Nasiyha means forelock. If we look into the skull at the
front of the head, we will find the prefrontal area of the cerebrum. What
does physiology tell us about the function of this area? A book entitled,
Essentials of Anatomy & Physiology, says about this area: The motivation
and the foresight to plan and initiate movements occur in the anterior
portion of the frontal lobes, the prefrontal area. This is a region of
the association cortex... The book also says: In relation to its
involvement in motivation, prefrontal area is also thought to be the
functional center for aggression...



So, this area of the cerebrum is responsible for planning, motivating,
and initiating good and sinful behavior, and is responsible for telling
lies and speaking the truth. Thus, it is proper to describe the front of
the head as lying and sinful when someone lies or commits a sin, as the
Qur’aan said: ...a lying, sinful aasiyyah (front of the head)!
Scientists have only discovered these functions of the prefrontal area
in the last sixty years, according to Professor Keith Moore.