PSYCHOSIS (psychoses)

Pronunciation (US):

(GB):

IPA (US):

Irregular inflected form: psychoses   

 Dictionary entry overview: What does psychosis mean? 

• PSYCHOSIS (noun)
  The noun PSYCHOSIS has 1 sense:

1. any severe mental disorder in which contact with reality is lost or highly distorted

  Familiarity information: PSYCHOSIS used as a noun is very rare.

 Dictionary entry details 

• PSYCHOSIS (noun)

Sense 1

Meaning:

Any severe mental disorder in which contact with reality is lost or highly distorted

Classified under:

Nouns denoting stable states of affairs

Hypernyms ("psychosis" is a kind of...):

mental disease; mental illness; psychopathy (any disease of the mind; the psychological state of someone who has emotional or behavioral problems serious enough to require psychiatric intervention)

Hyponyms (each of the following is a kind of "psychosis"):

delirium tremens; DTs (acute delirium caused by alcohol poisoning)

paranoia (a psychological disorder characterized by delusions of persecution or grandeur)

dementia praecox; schizophrenia; schizophrenic disorder; schizophrenic psychosis (any of several psychotic disorders characterized by distortions of reality and disturbances of thought and language and withdrawal from social contact)

Derivation:

psychotic (characteristic of or suffering from psychosis)

 Context examples 

It is also used as a premedicant, as an antiemetic, and for the control of agitation in acute psychoses.

(Droperidol, NLM, Medical Subject Headings)

A type of drug used to treat symptoms of psychosis.

(Antipsychotic, NCI Dictionary)

The scientists say further trials are needed to learn whether sulforaphane can safely reduce symptoms of psychosis or hallucinations in people with schizophrenia.

(Key to Treating Schizophrenia May Be Found in Broccoli, The Titi Tudorancea Bulletin)

More severe symptoms of psychosis were associated with higher NM-MRI signals in the nigrostriatal pathway of individuals with schizophrenia and in those at-risk for schizophrenia.

(Neuromelanin-sensitive MRI identified as a potential biomarker for psychosis, National Institutes of Health)

However, inflammation in the brain – known as neuroinflammation – has been recognised and linked to many disorders including depression, psychosis and multiple sclerosis.

(Inflammation in the brain linked to several forms of dementia, University of Cambridge)

Broad group of severe mental and behavioral disorders etiologically traceable to brain disease, injury, or toxicosis; psychosis associated with endocrine disorders, drugs, and metabolic or nutritional abnormalities.

(Organic Brain Syndrome, NIH CRISP Thesaurus)

Class of mental disorders milder than psychosis, including hysteria, fugue, obsession, phobia, etc.

(Neurosis, NIH CRISP Thesaurus)

Psychosis is associated with dopamine system dysfunction, characterized by greater dopamine release and synthesis capacity in the striatum.

(Neuromelanin-sensitive MRI identified as a potential biomarker for psychosis, National Institutes of Health)

The findings suggest that NM-MRI is capturing this dopamine dysfunction, supporting the role of NM-MRI as a potential biomarker for psychosis.

(Neuromelanin-sensitive MRI identified as a potential biomarker for psychosis, National Institutes of Health)

Researchers have shown that a type of magnetic resonance imaging — called neuromelanin-sensitive MRI (NM-MRI) — is a potential biomarker for psychosis.

(Neuromelanin-sensitive MRI identified as a potential biomarker for psychosis, National Institutes of Health)