Table 3.

Phenomenological classification of delusions

Inexplicability	Primary/pure /true Secondary delusion-like idea
	Overvalued idea
Subverted mental function	Delusional perception
	Delusional notion
	Delusional memory
	Delusional awareness
	Delusional mood/atmosphere
Alleged psychological antecedent	Misinterpretative delusional state Confabulatory delusional state
	Hallucinatory delusional state
	Delusional misidentification (e.g. Capgras’ syndrome) Sensitive delusions of reference
	Folie a deux
Nosological status	Paranoia/ delusional disorder/ monodelusional disorder
	Delusional loving/ erotomania/ de Clerambault’s syndrome
	Monosymptomatic hypochondriacal psychosis
	Cotard’s syndrome/nihilistic delusional state
	Delusional depression
	Schizophrenia-like psychosis
Thematic content	Persecutory, reference, influence/control, jealousy, sin, poisoning, theft, pregnancy, grandiose, infestation, lycanthropy, etc.
Mode of misconstruing world	Misidentification
	Misclassification
	Misattribution
	Mis-substantiation