4.2.b Clinical signs of a significant affective disorder
(anxiety, depression) - includes recent changes in sleep patterns, appetite,
weight, activity level, concentration, lack of enjoyment, suicidal rumination,
plan or intent, and past suicide attempts; or thought disorder (psychosis) -
includes hallucinations (auditory, visual, tactile, olfactory, gustatory) and
delusions (fixed belief system not based in reality - example: "my
neighbors are all FBI agents who listen to me day and night and now I think
they're poisoning my food.")