Terminology

Agitation - a state of anxiety or nervous excitement.

Amnesia - a condition in which a person has difficulty in memory ability due to brain injury, shock or illness.

Akathisia - A movement disorder characterized by a feeling of inner restlessness and a compelling need to be in constant motion, as well as by actions such as rocking while standing or sitting, lifting the feet as if marching on the spot, and crossing and uncrossing the legs while sitting. People with akathisia are unable to sit or keep still, complain of restlessness, fidget, rock from foot to foot, and pace.

Death - end of life of a person or organism.

Fear - an unpleasant emotion caused by the belief that someone or something is dangerous, painful or threatening. 

Grandiosity - refers to an unrealistic sense of superiority—a sustained view of oneself as better than others that causes the narcissist to view others with disdain or as inferior—as well as to a sense of uniqueness: the belief that few others have anything in common with oneself and that one can only be understood by a few or very special people

Illusion - a thing that is or is likely to be wrongly perceived or interpreted by the senses.

Symptom - a physical or mental feature that is regarded as indicating a condition of disease, particularly such a feature that is apparent to the patient.

Withdrawal syndrome - occurs in drug and alcohol addicted individuals who discontinue or reduce the use of their drug of choice. This process of eliminating drugs and alcohol from the body is known as detoxification. Anxiety, insomnia, nausea, perspiration, body aches,and tremors are just a few of the physical and psychological symptoms of drug and alcohol withdrawal that may occur during detoxification.