Answer:
Hallucinations
Explanation:
This symptom is called hallucinations. Hallucination is a disorder where a person perceives things that are not actually present. Hallucinations can present itself in different ways such as hearing sounds, hearing voices or feeling certain sensations. Different things can cause one to hallucinate such as drugs and alcohol, stress and grief. People with the medical ailment known as schizophrenia are known to hallucinate