Disrupted flow of thought, rapid topic changes, or speech lacking meaning

Behavioural excesses or peculiarities, such as hallucinations and delusions

Perceived sensations with the absence of real, external stimuli

Faulty beliefs that cannot be shaken despite evidence to the contrary

Behavioural deficits, such as flattened emotions and social withdrawal

A break from the real world

Abnormal motor activity, ranging from rigidity to excitement