The ability to concentrate on some stimuli while ignoring others is referred to as

I beleive the answer is: Selective attention

Selective attention is being done by limiting the process that our brain do to things that is not considered as the main priority.
From the whole visual scope that we have, average people could only maintain their selective attention to only 10% of that visual.

The correct answer is "  it was believed that the dispute emerged in 632 just after the death of the prophet muhammad."