1) Dishonesty 2) Suspiciency 1) Distrust 2) Distrustfulness 3) Mistrust 4) Suspicion 
Is caused by paranoia in AD patients. (see paranoia) Realize that reasoning will not work. Instead of reasoning, try calmly to reassure them then distract them. Avoid confronting the person you are caring for if they make accusations against you. For example, if they accuse you of stealing their glasses, offer to help find them.
A mistrust common in Alzheimer patients as their memory becomes progressively worse. An example is when patients believe their belongings have been stolen.