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Centre Interdisciplinaire
de Recherche et d’Innovation
en Cybersécurité et Société
de Recherche et d’Innovation
en Cybersécurité et Société
1.
Dugas, M. J.; Francis, K.; Bouchard, S.
In: Cognitive Behaviour Therapy, vol. 38, no. 1, pp. 29–41, 2009, ISSN: 16512316 (ISSN).
Abstract | Links | BibTeX | Tags: adult, Anxiety Disorders, article, clinical article, clinical trial, cognitive therapy, controlled clinical trial, controlled study, disease association, female, generalized anxiety disorder, human, Humans, male, mental stress, Middle Aged, Personality Assessment, Personality Inventory, psychoanalysis, Psychometrics, randomized controlled trial, Relaxation Therapy, relaxation training, Single-case designs, somatoform disorder, Somatoform Disorders, Symptom change profiles, symptomatology, time series analysis, Treatment mechanisms, treatment outcome, treatment response
@article{dugas_cognitive_2009,
title = {Cognitive behavioural therapy and applied relaxation for generalized anxiety disorder: A time series analysis of change in worry and somatic anxiety},
author = {M. J. Dugas and K. Francis and S. Bouchard},
url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-61549090786&doi=10.1080%2f16506070802473221&partnerID=40&md5=78e775f09aa9806132cd1335ffef92b6},
doi = {10.1080/16506070802473221},
issn = {16512316 (ISSN)},
year = {2009},
date = {2009-01-01},
journal = {Cognitive Behaviour Therapy},
volume = {38},
number = {1},
pages = {29–41},
abstract = {The present study examined symptom change profiles in patients with generalized anxiety disorder (GAD) receiving either cognitive behavioural therapy (CBT) or applied relaxation (AR). It was hypothesized that (a) changes in worry would uniquely predict changes in somatic anxiety for most participants receiving CBT and (b) changes in somatic anxiety would uniquely predict changes in worry for most participants in the AR condition. Twenty participants (CBT n = 10; AR n = 10) completed daily ratings of worry and somatic anxiety during therapy, and multivariate time series analysis was used to assess the causal impact of each variable on the other. The hypotheses were not supported because we found no evidence of a match between individual symptom change profiles and treatment condition. Rather, a bidirectional relationship between worry and somatic anxiety was observed in 80% of participants receiving CBT and 70% of participants receiving AR. When only treatment responders were considered, 83% of participants receiving CBT and 86% of those receiving AR had such a bidirectional effect. The findings are discussed in terms of models of psychopathology that posit dynamic interactions between symptom clusters and in terms of the value of examining treatment mechanisms at the individual level.},
keywords = {adult, Anxiety Disorders, article, clinical article, clinical trial, cognitive therapy, controlled clinical trial, controlled study, disease association, female, generalized anxiety disorder, human, Humans, male, mental stress, Middle Aged, Personality Assessment, Personality Inventory, psychoanalysis, Psychometrics, randomized controlled trial, Relaxation Therapy, relaxation training, Single-case designs, somatoform disorder, Somatoform Disorders, Symptom change profiles, symptomatology, time series analysis, Treatment mechanisms, treatment outcome, treatment response},
pubstate = {published},
tppubtype = {article}
}
The present study examined symptom change profiles in patients with generalized anxiety disorder (GAD) receiving either cognitive behavioural therapy (CBT) or applied relaxation (AR). It was hypothesized that (a) changes in worry would uniquely predict changes in somatic anxiety for most participants receiving CBT and (b) changes in somatic anxiety would uniquely predict changes in worry for most participants in the AR condition. Twenty participants (CBT n = 10; AR n = 10) completed daily ratings of worry and somatic anxiety during therapy, and multivariate time series analysis was used to assess the causal impact of each variable on the other. The hypotheses were not supported because we found no evidence of a match between individual symptom change profiles and treatment condition. Rather, a bidirectional relationship between worry and somatic anxiety was observed in 80% of participants receiving CBT and 70% of participants receiving AR. When only treatment responders were considered, 83% of participants receiving CBT and 86% of those receiving AR had such a bidirectional effect. The findings are discussed in terms of models of psychopathology that posit dynamic interactions between symptom clusters and in terms of the value of examining treatment mechanisms at the individual level.
2.
Maziade, M.; Gingras, N.; Rodrigue, C.; Bouchard, S.; Cardinal, A.; Gauthier, B.; Tremblay, G.; Cote, S.; Fournier, C.; Boutin, P.; Hamel, M.; Roy, M. -A.; Martinez, M.; Merette, C.
In: British Journal of Psychiatry, vol. 169, no. SEPT., pp. 361–370, 1996, ISSN: 00071250, (Publisher: Royal College of Psychiatrists).
Abstract | Links | BibTeX | Tags: Adolescent, adult, article, Child, disease course, female, follow up, human, major clinical study, male, onset age, schizophrenia, symptomatology
@article{maziade_long-term_1996-1,
title = {Long-term stability of diagnosis and symptom dimensions in a systematic sample of patients with onset of schizophrenia in childhood and early adolescence. I: Nosology, sex and age of onset},
author = {M. Maziade and N. Gingras and C. Rodrigue and S. Bouchard and A. Cardinal and B. Gauthier and G. Tremblay and S. Cote and C. Fournier and P. Boutin and M. Hamel and M. -A. Roy and M. Martinez and C. Merette},
url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-0029775550&doi=10.1192%2fbjp.169.3.361&partnerID=40&md5=e2e754c218abf739dd61b502b095024a},
doi = {10.1192/bjp.169.3.361},
issn = {00071250},
year = {1996},
date = {1996-01-01},
journal = {British Journal of Psychiatry},
volume = {169},
number = {SEPT.},
pages = {361–370},
abstract = {Background. Little is known about the long-term outcome of schizophrenia that has its onset during childhood and early adolescence (early-onset schizophrenia, or EO-SZ). Whether or not EO-SZ is an aetiologically separate form of schizophrenia (SZ) is unresolved. Method. The study was a 14.8-year follow-up, using methods such as systematic sampling, evaluation of possible non-respondent bias, consensus best-estimate diagnoses (DSM-III-R) made independently in childhood and adulthood, measures of positive and negative dimensions, of non-psychotic behaviour disturbances (NPBD) and of developmental problems before the appearance of SZ. Results. There was high stability of EO-SZ (n = 40) diagnoses (mean onset at 14.0 years) until adulthood (mean age at follow-up 28.8 years) but a lower stability of positive and negative schizophrenic dimensions. There was a poor outcome of EO-SZ, a strong over-representation of males but few gender differences, and no effect of age of onset on clinical features and outcome. Conclusions. EO-SZ taken as a whole shows no qualitative differences to adult-onset SZ. However, a distinction through the onset of preschizophrenic developmental problems or NPBD might be a way to investigate heterogeneity within EO-SZ.},
note = {Publisher: Royal College of Psychiatrists},
keywords = {Adolescent, adult, article, Child, disease course, female, follow up, human, major clinical study, male, onset age, schizophrenia, symptomatology},
pubstate = {published},
tppubtype = {article}
}
Background. Little is known about the long-term outcome of schizophrenia that has its onset during childhood and early adolescence (early-onset schizophrenia, or EO-SZ). Whether or not EO-SZ is an aetiologically separate form of schizophrenia (SZ) is unresolved. Method. The study was a 14.8-year follow-up, using methods such as systematic sampling, evaluation of possible non-respondent bias, consensus best-estimate diagnoses (DSM-III-R) made independently in childhood and adulthood, measures of positive and negative dimensions, of non-psychotic behaviour disturbances (NPBD) and of developmental problems before the appearance of SZ. Results. There was high stability of EO-SZ (n = 40) diagnoses (mean onset at 14.0 years) until adulthood (mean age at follow-up 28.8 years) but a lower stability of positive and negative schizophrenic dimensions. There was a poor outcome of EO-SZ, a strong over-representation of males but few gender differences, and no effect of age of onset on clinical features and outcome. Conclusions. EO-SZ taken as a whole shows no qualitative differences to adult-onset SZ. However, a distinction through the onset of preschizophrenic developmental problems or NPBD might be a way to investigate heterogeneity within EO-SZ.