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Biomedical subjects

R Bentall

Publications and source records attributed to R Bentall.

11 recordsLinked to original sources

The effects of emotional salience on thought disorder in patients with bipolar affective disorder.

BACKGROUND: This study aimed to explore the effects of emotionally salient material on thought disorder in patients with bipolar affective disorder. METHOD: Seventy-one participants (20 manic, 15 depressed, 16 currently well patients and 20 non-psychiatric-controls) were interviewed in two conditions: an emotionally salient interview and a non-salient interview. Speech samples were rated using the Scale for the Assessment of Thought, Language and Communication. RESULTS: Manic patients presented with significantly more thought disorder than any other group in both conditions and exhibited the greatest reaction to emotionally salient material. CONCLUSION: The effects of emotional salience on thought, language and communication are not unique to schizophrenic patients. The speech of manic patients is more affectively responsive than the speech of remitted, bipolar depressed and normal participants. The implications of these findings are discussed.

Adult↗

Phobic anxiety in 11 nations. Part I: Dimensional constancy of the five-factor model.

The Fear Survey Schedule-III (FSS-III) was administered to a total of 5491 students in Australia, East Germany, Great Britain, Greece, Guatemala, Hungary, Italy, Japan, Spain, Sweden, and Venezuela, and submitted to the multiple group method of confirmatory analysis (MGM) in order to determine the cross-national dimensional constancy of the five-factor model of self-assessed fears originally established in Dutch, British, and Canadian samples. The model comprises fears of bodily injury-illness-death, agoraphobic fears, social fears, fears of sexual and aggressive scenes, and harmless animals fears. Close correspondence between the factors was demonstrated across national samples. In each country, the corresponding scales were internally consistent, were intercorrelated at magnitudes comparable to those yielded in the original samples, and yielded (in 93% of the total number of 55 comparisons) sex differences in line with the usual finding (higher scores for females). In each country, the relatively largest sex differences were obtained on harmless animals fears. The organization of self-assessed fears is sufficiently similar across nations to warrant the use of the same weight matrix (scoring key) for the FSS-III in the different countries and to make cross-national comparisons feasible. This opens the way to further studies that attempt to predict (on an a priori basis) cross-national variations in fear levels with dimensions of national cultures.

Adolescent↗

The perceived expressed emotion in staff scale.

Recent research has highlighted the role of expressed emotion by ward staff in determining the well-being of psychiatric inpatients. Existing methods of assessing staff expressed emotion involve standardized interviews and are expensive and time-consuming. We report the development of a questionnaire measure of expressed emotion in staff as perceived by patients. In study 1, factor analysis of items administered to patients in a variety of settings led to the development of a questionnaire with three subscales: supportiveness, criticism and intrusiveness. In study 2, the test-retest reliability of the questionnaire was found to be adequate, and some evidence of concurrent validity for the scale was obtained against expressed emotion rated from staff speech samples. In study 3, the scale was shown to have good concurrent validity against the ward atmosphere scale, and scores were found to be independent of insight or experience of admission to hospital. The perceived expressed emotion in staff scale is a convenient measure, which may have utility for both research and clinical purposes.

Adult↗

Randomised controlled trial of cognitive-behavioural therapy in early schizophrenia: acute-phase outcomes.

BACKGROUND: Cognitive-behavioural therapy (CBT) improves persistent psychotic symptoms. AIMS: To test the effectiveness of added CBT in accelerating remission from acute psychotic symptoms in early schizophrenia. METHOD: A 5-week CBT programme plus routine care was compared with supportive counselling plus routine care and routine care alone in a multi-centre trial randomising 315 people with DSM-IV schizophrenia and related disorders in their first (83%) or second acute admission. Outcome assessments were blinded. RESULTS: Linear regression over 70 days showed predicted trends towards faster improvement in the CBT group. Uncorrected univariate comparisons showed significant benefits at 4 but not 6 weeks for CBT v. routine care alone on Positive and Negative Syndrome Scale total and positive sub-scale scores and delusion score and benefits v. supportive counselling for auditory hallucinations score. CONCLUSIONS: CBT shows transient advantages over routine care alone or supportive counselling in speeding remission from acute symptoms in early schizophrenia.

Adult↗

A comparison of patients' and prescribers' beliefs about neuroleptic side-effects: prevalence, distress and causation.

Neuroleptic side-effects adversely affect clinical outcome in schizophrenic patients. Clinicians therefore require an understanding of the impact of such side-effects. This study compared psychiatrists' estimates of the prevalence of neuroleptic side-effects and associated distress with schizophrenic patients' reports of side-effects and distress. Psychiatrists were asked to estimate the likelihood of informing patients about side-effects. Psychiatrists' estimates of prevalence but not of distress correlated significantly with patients' reports. Psychiatrists' avowed decisions to inform patients about side-effects were significantly correlated with their estimates of prevalence and distress, but not with patients' reported levels of distress. Patients were unlikely to attribute side-effects to neuroleptic medication. These results indicate that patients and psychiatrists share similar views about the prevalence and implications of neuroleptic side-effects. However, psychiatrists' apparent lack of understanding of which side-effects are most likely to cause distress to patients may adversely affect the therapeutic alliance between prescribers and consumers.

Adult↗

Time for action: a new system for training mental health practitioners.

Continuing the debate from previous issues of Mental Health Care, MICK McKEOWN and colleagues call for a radical rethink in mental health training. Institutionalised neglect continues on hospital wards and in the community. The answer is a systematic approach to mental health care. Training should focus on psychosocial interventions which are known to be effective. It should take place in the work setting, to ensure developments are integrated into the routine practice of all members of the mental health team.

Clinical Competence↗

The factor structure of "schizotypal' traits: a large replication study.

The heterogeneity of schizotypal traits, suggested in previous research, was further investigated in a sample of subjects (N = 1095) administered a composite questionnaire consisting of a large number of published scales the majority of which were designed to measure psychotic characteristics. Factor analysis confirmed the four components previously indicated in our work with the same instrument; namely, "aberrant perceptions and beliefs', "cognitive disorganization', "introvertive anhedonia' and "asocial behaviour'. This structure was maintained regardless of whether or not the analysis included scales from the Eysenck Personality Questionnaire, which might otherwise have been held to explain the variance. "Aberrant perceptions and beliefs'-reminiscent of the positive symptoms of schizophrenia-was the strongest component; but, given the multidimensional nature of the data, together with the pattern of factor loadings and intercorrelations for the scales involved, it was concluded that the broader term "psychosis-proneness' or "psychoticism' (in a non-Eysenckian sense) might be a better descriptor of the clinical and personality domain sampled.

Adult↗

Consent to neuroleptic medication for schizophrenia: clinical, ethical and legal issues.

BACKGROUND: The effects of neuroleptic medication on schizophrenic patients are both positive (reduction in symptoms) and negative (adverse side-effects). Given that altered cognitive functioning may be a feature of schizophrenia, the use of neuroleptics raises important ethical and legal issues. METHOD: A selective review was carried out of papers addressing ethical arguments for and against obtaining consent from schizophrenic patients, and the ethical and legal requirements which must be met for consent to occur. RESULTS: Although a balance must be met between arguments for and against obtaining consent, clinicians should seek informed consent in all but exceptional circumstances. Obtaining consent depends on the adequate presentation of information, the absence of duress and the patients' capacity to consent. Various tests of capacity to consent have been proposed. CONCLUSIONS: It is proposed that clinicians employ a proforma to record attempts to obtain informed consent during routine clinical practice.

Antipsychotic Agents↗

Psychological treatments for negative symptoms.

Psychological training programmes for patients presenting with negative symptoms have developed from an environmentally based approach (the token economy) through interactive programmes (social and life skills training) to programmes which focus directly on facilitating and enhancing the cognitive skills of the individual patient (self-instructional training and problem-solving). It is clear that this sequence of research has generated a range of approaches which are probably undervalued in the management of patients suffering from negative symptoms. Problems remain with respect to the generalisation of some procedures but it seems likely that these problems may be overcome by tailoring treatments to the particular cognitive deficits of different groups of patients. This will obviously require a detailed analysis of the structure of negative symptoms and the deficits associated with them. The distinction between difficulties in initiating behavior and difficulties in organising behaviour may prove to be particularly important in this respect.

Behavior Therapy↗

A new pattern of needle for microsurgical repair of nerves.

This paper describes the design for a microsurgical stainless steel atraumatic needle for primary suture of small peripheral nerves in which the epineurium is friable. The needle (manufactured by Dixey Instruments, U.K.) is curved with a spearshaped point and a small cutting edge on the concave surface. The rest of the body of the needle is round. We have found with histological evidence that there is an improvement in accuracy of suture placement on previously used needles in experimental and clinical microsurgery of peripheral nerves.

Microsurgery↗