Anhedonia and negative symptomatology in chronic schizophrenia. 1996

G Loas, and P Boyer, and A Legrand
Service Hospitalo-Universitaire, Hopital Pinel, Amiens, Paris, France.

The relationships between negative symptomatology and anhedonia have been studied on 61 subjects who had Research Diagnostic Criteria for chronic schizophrenia. Negative symptomatology was rated by the negative subscales of the Kay Positive and Negative Syndrome Scale (PANSS) and of the Brief Psychiatric Rating Scale (BPRS). Anhedonia was rated by the Physical Anhedonia Scale of Chapman (PAS), the Fawcett-Clark Pleasure Capacity Scale-Physical Pleasure (FCPCS-PP), and the social interest subscale (SIS) of the Nurse Observation Scale for Inpatients (NOSIE-30). Pearson correlations were calculated between negative and anhedonia scales. Schizophrenics were dichotomized first into negatives and positives using the composite score of the PANSS, and second into low and high negatives using the negative subscale of the PANSS. For each dichotomy, the corresponding subgroups were compared on anhedonia scales using Student's test. The results have shown no significant correlations between negative and anhedonia scales (PAS and FCPCS-PP). There were no significant differences concerning the PAS and the FCPCS-PP between negative and positive subgroups of schizophrenics and between low- and high-negative subgroups. Anhedonia is not a negative symptom. Our results confirm the reported studies on subjective experiences in schizophrenia. A search for more restricted forms of schizophrenia characterized by severe anhedonia is needed.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009042 Motivation Those factors which cause an organism to behave or act in either a goal-seeking or satisfying manner. They may be influenced by physiological drives or by external stimuli. Incentives,Disincentives,Expectations,Disincentive,Expectation,Incentive,Motivations
D011569 Psychiatric Status Rating Scales Standardized procedures utilizing rating scales or interview schedules carried out by health personnel for evaluating the degree of mental illness. Factor Construct Rating Scales (FCRS),Katz Adjustment Scales,Lorr's Inpatient Multidimensional Psychiatric Rating Scale,Wittenborn Scales,Edinburgh Postnatal Depression Scale,Mini International Neuropsychiatric Interview
D011594 Psychometrics Assessment of psychological variables by the application of mathematical procedures. Psychometric
D002908 Chronic Disease Diseases which have one or more of the following characteristics: they are permanent, leave residual disability, are caused by nonreversible pathological alteration, require special training of the patient for rehabilitation, or may be expected to require a long period of supervision, observation, or care (Dictionary of Health Services Management, 2d ed). For epidemiological studies chronic disease often includes HEART DISEASES; STROKE; CANCER; and diabetes (DIABETES MELLITUS, TYPE 2). Chronic Condition,Chronic Illness,Chronically Ill,Chronic Conditions,Chronic Diseases,Chronic Illnesses,Condition, Chronic,Disease, Chronic,Illness, Chronic
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000342 Affective Symptoms Mood or emotional responses dissonant with or inappropriate to the behavior and/or stimulus. Alexithymia,Emotional Disturbances,Affective Symptom,Alexithymias,Disturbance, Emotional,Disturbances, Emotional,Emotional Disturbance,Symptom, Affective,Symptoms, Affective

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