- negative symptom
- a symptom in which a characteristic of normal health is diminished or absent in disease, such as the flat affect or mutism sometimes occurring in schizophrenia.
Medical dictionary. 2011.
Medical dictionary. 2011.
Symptom — For the 1974 horror film, see Symptoms (film). A symptom (from Greek σύμπτωμα, accident, misfortune, that which befalls [1], from συμπίπτω, I befall , from συν together, with + πίπτω, I fall ) is a departure from normal function or feeling which… … Wikipedia
Negative refraction — is the name for an electromagnetic phenomenon where light rays are refracted at an interface in the reverse sense to that normally expected. Such an effect can be obtained using a metamaterial which has been designed to achieve a negative value… … Wikipedia
negative — {{Roman}}I.{{/Roman}} noun 1 denial PHRASES ▪ in the negative ▪ She answered the question in the negative. 2 developed photographic film ADJECTIVE ▪ original … Collocations dictionary
Symptom — Symp·to̲m das; s, e; 1 ein Symptom (für / von etwas) eine Veränderung im Zustand oder in der Funktion eines Organs oder im Aussehen eines Menschen oder anderen Lebewesens, die für eine bestimmte Krankheit typisch ist ≈ Anzeichen: ein Symptom für… … Langenscheidt Großwörterbuch Deutsch als Fremdsprache
Symptom — Any abnormal change in appearance, sensation, or function experienced by a patient that indicates a disease process. * * * Any morbid phenomenon or departure from the normal in structure, function, or sensation, experienced by the patient and… … Medical dictionary
symptom — noun (usually symptoms) ADJECTIVE ▪ characteristic, classic, common, typical ▪ clinical ▪ minor, secondary … Collocations dictionary
Positive and Negative Syndrome Scale — The PANSS or the Positive and Negative Syndrome Scale is a medical scale used for measuring symptom severity of patients with schizophrenia. It was published in 1987 by Stanley Kay, Lewis Opler, and Abraham Fiszbein. It is widely used in the… … Wikipedia
Psychosis — Not to be confused with Psychopathy. For other uses, see Psychosis (disambiguation). Psychosis Classification and external resources ICD 10 F20 F29[1] ICD 9 … Wikipedia
Pediatric schizophrenia — (also known as childhood onset schizophrenia)[1] is a type of mental disorder that is characterized by degeneration of thinking, motor, and emotional processes in children and young adults under the age of 17. Schizophrenia is especially rare in… … Wikipedia
Avolition — is a psychological state characterized by general lack of desire, drive, or motivation to pursue meaningful goals. It is commonly seen in patients with schizophrenia, and is one of the four main negative symptoms of that disorder (the others… … Wikipedia