A break from the real world
Disrupted flow of thought, rapid topic changes, or speech lacking meaning
Behavioural deficits, such as flattened emotions and social withdrawal
Perceived sensations with the absence of real, external stimuli
Abnormal motor activity, ranging from rigidity to excitement
Faulty beliefs that cannot be shaken despite evidence to the contrary
Behavioural excesses or peculiarities, such as hallucinations and delusions
