To understand & know about the complexity of human behaviour,, first of all we have to understand the physical structure of the BRAIN,, which provides the basic fundamentals & insight of behaviour.. Our BRAIN acts as a control center of our body by gathering & processing  various information and release the best possible output.. All this processing has done with the coordination of various parts (area) of BRAIN.. Every BRAIN area has an associated function which are predefined..

Our BRAIN has two basic parts::

1. The Cerebrum (The Forebrain)

2. The Cerebellum (The Little Brain)

The cerebrum is divided into four parts / areas known as LOBES::

1. Frontal Lobe

2. Parietal Lobe

3. Occipital Lobe

4. Temporal Lobe

Frontal Lobe has two parts, Superior Frontal Lobe & Inferior Frontal Lobe..