Jonas is being tested for decline in cognitive functioning. the test involves assessing his ability to plan actions, allocate attention to goals, detect errors, monitor progress on tasks, and deal with novel or difficult circumstances. the researchers are testing jonas' attention.

Executive attention

Explanation:

Executive attention is the situation in which response are regulated in the form of investigating ,tracking and solving the conflict or dispute in central processes.It works for eliminating the disturbing or intruding information from deviating the attention from the focus.

According to the situation in question, Jonas's executive attention is being tested by the researchers . They are testing his planning skill, attentive action, detection and elimination of faults and dealing with problematic situation skills. This will let the researchers know about response of Jim in conflict situation and the way he monitors and resolves it.

answer; i believe the correct answer is prefrontal cortex;

answer; /// all of the above;