Each person has a unique set of talents and proclivities making them unique. This set of talents defines who the person is and, more importantly, the kinds of work the person will enjoy. Each person thinks differently. Buckingham and Coffman say that most great managers dismiss them as ineffective. Buckingham and Coffman explain that each individual's brain is uniquely wired.
Performance is in the synapses, or the connections between a person's brain cells.
This develops in early childhood. When a child grows, many brain cells exist. There are relatively few connections between the cells. Certain pathways between various groups of brain cells will be strengthened as the child grows. Other pathways will rarely be used.