Lack of insight Anosognosia SNOMEDCT_US:24340004 Reduced insight distinguishes itself from other misconceptions of reality by typically stemming not from the presence of false beliefs or hallucinations, but rather from a deficiency in the cognitive capacity needed to accurately comprehend one's environment. Lack of insight Lack of insight (Anosognosia) is a neurological condition in which an individual is unaware of his or her own neurological deficit or psychiatric condition. Anosognosia can be associated with mental illness, dementia, and structural brain lesions and can affect an individual's conscious awareness of deficits involving judgment, emotions, memory, executive function, language skills, and motor ability. HP:0000757 UMLS:C0233824 Abnormal judgment