Chantal worries that the neighbors are reading her thoughts and talking about them behind her back. chantal likely suffers from:

I believe the answer is: Schizophrenia

People who suffers from schizophrenia Would not be able to properly distinguish imagination and reality due to the impairment in their brain.

This often cause them to show various symptoms such as hearing things that are not there, falsely perceived their identity, etc.

answer; intentional; outrageous;

answer; through play and social interaction;