Symptoms of the above psychotic and mood disorders include one or several of the following symptom groups:

Hallucinations - seeing, hearing, or feeling things that do not exist in reality

Delusions - beliefs about oneself or the world that have no basis in reality. For example, the person believes they are endowed with special abilities or powers beyond the scope of normal human existence

Isolation, regressive, and/or bizarre behavior - individual prefers to be by self, is not socially skilled nor socially interactive. In the case of children, they may exhibit a notable failure in their ability to meet the expected social developmental level. Motorically, the persons may exhibit a reduction in their spontaneous movements or activity, or exhibit seemingly purposeless stereotypic, repetitive motoric behaviors. Individuals may exhibit excited movements that are not in response to environmental stimuli. These individuals may also appear extremely rigid in their posture or exhibit other odd mannerisms and facial expressions.

Poor daily living skills - individual fails to bathe, brush teeth, or take care of other personal hygiene or daily activities such as meal planning.

Restricted, inappropriate, or labile affect/emotional state - some disorders include mood swings wherein the individual may experience boundless agitate energy with little sleep and seem to be on top of the world. This mood state may be cycled with periods of deep depression including extreme lethargy and suicidal ideation. Other symptoms include a blunted or restricted affect such that the individual's speech is monotone and they appear unexcitable.

Impoverished speech, failures in communication, distortions/disruptions of use of language - the individual may have loose association which cause their conversation to shift from one topic to another without being aware that the topic are unrelated. In extreme cases the individual may be incoherent. The individual may also have his or her own language, which is not understandable to the average person. The individual may also convey little information, as communication is overly vague, abstract, concrete, repetitive, or stereotyped.