The main symptoms are hallucinations (often auditory hallucinations), delusions and thought disorder. Other symptoms include social withdrawal, decreased emotional expression, and apathy. Symptoms usually develop gradually, begin in early adulthood, and in many cases never fully resolve.

• common symptoms of autism

* Inability to make eye contact
* Delayed speech and communication skills
* Strong dependence on life routines
* Severe discomfort from relatively minor changes
* Unexpected reactions to sounds, smells, sights and touch
* Not understanding the feelings and emotional states of others
* Obsessive focus on objects and interests
* Repetitive and stereotyped behaviors

The most common initial symptom of this disease is short-term memory impairment and difficulty remembering recent events. As Alzheimer's disease progresses, symptoms can include language problems, difficulty with situational awareness (getting lost), mood swings, loss of motivation, neglect, and behavioral problems.

• Signs of stupidity :

* Spending money on a video game that doesn't exist externally
* Download and install the game that does not exist externally
* Playing a game that does not exist externally
* Getting angry for losing a match in a game that does not exist externally