"Negative Symptoms": Conceptual and Methodological Problems

Convergent and discriminant validation by the multitrait-multimethod matrix.

1959 • 16,404 citations

The Brief Psychiatric Rating Scale

1962 • 10,683 citations

Construct validity in psychological tests.

1955 • 10,167 citations

The Logic of Scientific Discovery

2013 • 8,086 citations

Dementia Praecox or the Group of Schizophrenias

1951 • 4,409 citations

Falsification and the Methodology of Scientific Research Programmes

1976 • 3,992 citations

Imre Lakatos and Musgrave Alan (eds.). Criticism and the growth of knowledge. Cambridge: Cambridge University Press, 1970. 282 pp. np.

1972 • 3,075 citations

Negative Symptoms in Schizophrenia

1982 • 2,228 citations

Negative v Positive Schizophrenia

1982 • 2,003 citations

Molecular pathology of schizophrenia: more than one disease process?

1980 • 1,877 citations

Theoretical risks and tabular asterisks: Sir Karl, Sir Ronald, and the slow progress of soft psychology.

1978 • 1,859 citations

DISEASES OF THE NERVOUS SYSTEM

1918 • 1,308 citations

Selected Writings of John Hughlings Jackson

1959 • 1,229 citations

Measurement and Classification of Psychiatric Symptoms: An Instruction Manual for the PSE and Catego Program

1974 • 893 citations

Institutionalism and Schizophrenia

1970 • 825 citations

Diagnosis in Schizophrenia and Manic-Depressive Illness

1978 • 635 citations

Part III. Speculations on the Processes That Underlie Schizophrenic Symptoms and Signs

1974 • 572 citations

A psychological approach to abnormal behavior

1969 • 570 citations

Positive and Negative Schizophrenic Symptoms and the Role of Dopamine

1980 • 544 citations

Longitudinal Studies of Schizophrenic Patients

1980 • 441 citations

'Akinetic Depression' in Schizophrenia

1978 • 388 citations

Postpsychotic Depression in Schizophrenia

1976 • 318 citations

Psychosocial Treatment of Chronic Mental Patients: Milieu Versus Social-Learning Programs

1977 • 298 citations

Akinesia

1975 • 257 citations

'Revealed' Depression and Drug Treatment for Schizophrenia

1981 • 231 citations

A rating scale for emotional blunting

1978 • 227 citations

Assessment of Negative and Positive Symptoms in Schizophrenia

1983 • 212 citations

Severe Depressive Mood Changes Following Slow-release Intramuscular Fluphenazine Injection

1969 • 157 citations

The Effect of Interview Language on the Evaluation of Psychopathology in Spanish-American Schizophrenic Patients

1973 • 154 citations

High Dose Chlorpromazine Therapy in Chronic Schizophrenia

1968 • 147 citations

Changes in Schizophrenic Psychopathology and Ward Behaviour as a Function of Phenothiazine Treatment

1965 • 146 citations

Responses to apomorphine, amphetamine, and neuroleptics in schizophrenic subjects

1980 • 143 citations

Drug Therapy in Schizophrenia

1960 • 140 citations

Development and Prediction of Postpsychotic Depression in Neuroleptic-Treated Schizophrenics

1982 • 137 citations

An investigation of the postpsychotic depressive syndrome

1976 • 136 citations

Are Prophylactic Antiparkinson Drugs Necessary?

1978 • 112 citations

The depot fluphenazines: a reappraisal after 10 years' clinical experience

1975 • 96 citations

The Syndrome of Schizophrenia: Unresolved Questions and Opportunities for Research

1980 • 94 citations

Postpsychotic depression in schizophrenics

1972 • 87 citations

COMBINED DRUG THERAPY OF CHRONIC SCHIZOPHRENICS

1961 • 86 citations

Depression ‘Revealed’ in Schizophrenia

1982 • 83 citations

The Seemingly Ubiquitous Depression Following Acute Schizophrenic Episodes, A Neglected Area of Clinical Discussion

1970 • 82 citations

Depressive and Extrapyramidal Symptoms and Clinical Effects: A Trial of Fluphenazine versus Flupenthixol in Maintenance of Schizophrenic Out-patients

1979 • 78 citations

THE SCHIZOPHRENIC PATIENT AND DEPRESSIVE SYMPTOMATOLOGY

1970 • 74 citations

Depressive States Occurring During the Neuroleptic Treatment of Schizophrenia

1982 • 68 citations

Schizophrenia succeeded by affective illness: catamnestic study and statistical enquiry

1977 • 63 citations

Postpsychotic Depressive Symptoms in Hospitalized Schizophrenic Patients

1981 • 63 citations

Depression Occurring During the Course of Recovery from Schizophrenic Symptoms

1967 • 53 citations

The Side-Effects of Fluphenazine Decanoate

1973 • 51 citations

Depressive syndrome in schizophrenia

1978 • 43 citations

Aphanisis: The Syndrome of Pseudo-Depression in Chronic Schizophrenia

1982 • 40 citations

Good Outcome in Young Adult Schizophrenia

1973 • 36 citations

Pharmacogenic depression among outpatient schizophrenic patients: a failure to substantiate.

1984 • 35 citations

Drug-Induced Mood Disorders

1980 • 34 citations

The time structure of depressive mood in schizophrenic patients

1982 • 28 citations

Course-related depressive syndromes in schizophrenia

1984 • 27 citations

Postpsychotic state, convalescent environment, and therapeutic relationship in schizophrenic outcome

1976 • 23 citations

The risks of long‐term neuroleptic treatment of schizophrenia: especially depression and akinesia

1981 • 18 citations

Depressive changes after fluphenazine treatment.

1969 • 16 citations

Depression following fluphenazine treatment.

1969 • 13 citations

Depressive changes after fluphenazine treatment.

1969 • 13 citations

Affective Symptoms, Schizophrenia, and the Conceptual Ambiguity of Postpsychotic Depression

1979 • 8 citations

Amotivational syndrome: the real management problem of schizophrenia.

1972 • 7 citations

Followup Treatment and Aftercare of Discharged Schizophrenic Patients

1980 • 5 citations

Deleted Work

1955 • 0 citations