Diogenes syndrome

Diogenes syndrome is a pattern of severe self-neglect, domestic squalor, and social withdrawal, sometimes accompanied by hoarding. It is most often described in older adults and is not a formal diagnosis in major diagnostic manuals.

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Self-neglect: Failure to meet basic personal needs for hygiene, health, safety, or nutrition, often despite having the means to do so. It is the central personal-care feature of Diogenes syndrome.
Frontal lobe: The front region of the cerebral cortex, involved in planning, judgment, inhibition, and other complex functions. Frontal-system impairment has been reported in some cases involving severe self-neglect.
Geriatric assessment: A multidimensional evaluation of an older adult’s medical, functional, cognitive, psychological, and social needs. A broad assessment can identify treatable illness and practical barriers to care.
Major neurocognitive disorder: A diagnostic category for acquired cognitive decline that significantly impairs independent functioning. It is a recognized diagnosis that may underlie similar behaviors, unlike the syndrome’s descriptive label.
Diogenes of Sinope: An ancient Greek Cynic philosopher remembered for rejecting convention and embracing an austere way of life. The syndrome’s name invokes him, although the association misrepresents his philosophical choices.
Domestic squalor: A living environment marked by severe dirt, disrepair, or accumulated waste that compromises safe use of the home. It describes the environmental neglect often accompanying the syndrome.
Dementia: A syndrome of acquired cognitive decline severe enough to interfere with independent daily functioning. Cognitive decline can contribute to neglected care or unsafe living conditions.
Capacity assessment: An evaluation of a person’s ability to make a particular decision at a particular time. It helps determine whether refusal of assistance reflects an informed decision.
Obsessive-compulsive disorder: A mental disorder involving obsessions, compulsions, or both, that cause distress or impairment. Hoarding can occur in this disorder, but Diogenes syndrome has a broader pattern.
Cynicism: An ancient Greek philosophical movement that rejected social convention in pursuit of virtue and self-sufficiency. The historical name draws on Cynic austerity rather than a clinical account of the condition.