Production of associative sequences in schizophrenia and chronic brain syndrome.

Lester, John R.

doi:10.1037/h0040905

Cited by 13 publications

(5 citation statements)

References 13 publications

(11 reference statements)

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“…Finally, Lester (1960) studied restricted association in normals, hebephrenic and paranoid schizophrenics, and epileptics. The patient groups showed more interference than the normals in the selection of associates, the interference occurring because of the intrusion of extraneous associations.…”

Section: Intrusive Associations Worsen the Performance Of Schizophren...mentioning

confidence: 99%

Psychological deficit in schizophrenia: II. Interference and activation.

Lang

Buss²

1965

Journal of Abnormal Psychology

293

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This is the 2nd of 2 papers reviewing laboratory studies of psychological deficit in schizophrenia. The present report first considers experiments on attention, set, and association. Research based on drive interpretation of deficit is then evaluated, followed by an assessment of psychophysiological studies of schizophrenia. 4 theories of deficit are discussed: social motivation, drive, arousal, and interference. It is suggested that a fundamental sensori-motor defect underlies psychological deficit in schizophrenia. A final section describes methodological problems raised by research reviewed in both papers. 1 The following abbreviations will be used: reaction time (RT), preparatory interval (PI), critical flicker frequency (CFF), galvanic skin response (GSR), electroencephalograph (EEG), electromyograph (EMG), autonomic nervous system (ANS), and stimulus generalization (SG).

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Section: Intrusive Associations Worsen the Performance Of Schizophren...mentioning

confidence: 99%

Psychological deficit in schizophrenia: II. Interference and activation.

Lang

Buss²

1965

Journal of Abnormal Psychology

293

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“…The present study applies restricted association techniques to compare schizophrenic and nonschizophrenic Ss. Other studies using similar techniques have concentrated on preference for abstract or concrete meanings (Milgram, 1961), associative interference in the form of bizarre, incorrect, or unshared responses (Chapman, 1958(Chapman, , 1961, and temporal order of responses (Lester, 1960). Within an empirical frame of reference, these studies have tested specific hypotheses such as those of verbal intrusion or interference, microgenesis of thought, overinclusion versus underinclusion, etc.…”

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confidence: 99%

Comparisons of the restricted association of chronic schizophrenic and normal control subjects.

Stern¹,

Riegel²

1970

Journal of Abnormal Psychology

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Eleven types of restricted associations and free associations were obtained from 24 chronic schizophrenics and 24 normal control Ss equated for age and education. The associations of schizophrenics were more variable than those of normal Ss, especially on tasks which most restricted the choice of responses. The agreement in responding between normal and schizophrenic 5s was markedly lower when compared with that between high-and low-creative 5s, or with 1-yr., testretest data. The repetition of responses given to the same stimuli under different instructions was markedly higher for schizophrenic than normal 5s, and thus the degree of task and response differentiation was reduced. The restricted associations overlapped with free associations more markedly for schizophrenic than for normal Ss, but the general structure of a conceptual semantic space was about the same for both groups. It was argued that when explicit constraint in tasks of verbal associations is high, schizophrenic 5s (more than normals) impose a low degree of implicit constraint on their verbal behavior; when the external constraint is low, they increase their implicit constraint.

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“…Various studies (Chapman, 1958;Downing, Ebert, & Shubrooks, 1963;Faibish, 1961;Lester, 1960) have used tasks which restricted associational responses. In general these studies have demonstrated that schizophrenics are more prone than normals to allow intrusions of irrelevant or extraneous associations.…”

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confidence: 99%

Verbal behavior in schizophrenia: A review of recent studies.

Pavy¹

1968

Psychological Bulletin

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Research in 4 areas of schizophrenic speech is reviewed: word associations, ambiguity and metaphor, information content and communicability of speech, contextual constraints and speech perception. It is found that most of the work involves the relation of behavioral deficits to speech production and perception. The works are considered from the viewpoint of contemporary psycholinguistics, and their approaches to language are noted and criticized. Suggestions for future research are made.

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Production of associative sequences in schizophrenia and chronic brain syndrome.

Cited by 13 publications

References 13 publications

Psychological deficit in schizophrenia: II. Interference and activation.

Psychological deficit in schizophrenia: II. Interference and activation.

Comparisons of the restricted association of chronic schizophrenic and normal control subjects.

Verbal behavior in schizophrenia: A review of recent studies.

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