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Sökning: LAR1:uu > Linköpings universitet > Furmark Tomas

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1.
  • Andersson, Evelyn, et al. (författare)
  • Genetic Polymorphisms in Monoamine Systems and Outcome of Cognitive Behavior Therapy for Social Anxiety Disorder
  • 2013
  • Ingår i: PLOS ONE. - : Public Library of Science (PLoS). - 1932-6203. ; 8:11
  • Tidskriftsartikel (refereegranskat)abstract
    • ObjectiveThe role of genetics for predicting the response to cognitive behavior therapy (CBT) for social anxiety disorder (SAD) has only been studied in one previous investigation. The serotonin transporter (5-HTTLPR), the catechol-o-methyltransferase (COMT) val158met, and the tryptophan hydroxylase-2 (TPH2) G-703Tpolymorphisms are implicated in the regulation of amygdala reactivity and fear extinction and therefore might be of relevance for CBT outcome. The aim of the present study was to investigate if these three gene variants predicted response to CBT in a large sample of SAD patients.MethodParticipants were recruited from two separate randomized controlled CBT trials (trial 1: n = 112, trial 2: n = 202). Genotyping were performed on DNA extracted from blood or saliva samples. Effects were analyzed at follow-up (6 or 12 months after treatment) for both groups and for each group separately at post-treatment. The main outcome measure was the Liebowitz Social Anxiety Scale Self-Report.ResultsAt long-term follow-up, there was no effect of any genotype, or gene × gene interactions, on treatment response. In the subsamples, there was time by genotype interaction effects indicating an influence of the TPH2 G-703T-polymorphism on CBT short-term response, however the direction of the effect was not consistent across trials.ConclusionsNone of the three gene variants, 5-HTTLPR, COMTval158met and TPH2 G-703T, was associated with long-term response to CBT for SAD.
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2.
  • Andersson, Gerhard, 1966-, et al. (författare)
  • Consequences of suppressing thoughts about tinnitus and the effects of cognitive distraction on brain activity in tinnitus patients
  • 2006
  • Ingår i: Audiology & neuro-otology. - : S. Karger AG. - 1420-3030 .- 1421-9700. ; 11:5, s. 301-309
  • Tidskriftsartikel (refereegranskat)abstract
    • Tinnitus is the perception of sound in the absence of any appropriate external stimulus. Based on the clinical observation that tinnitus patients may distract themselves from their sounds, we performed an experimental test on the effects of suppressing thoughts about tinnitus with 45 tinnitus patients, to systematically evaluate the immediate consequences of suppressing thought vs. attending to tinnitus. Suppression instructions tended to lead to a subsequent decrease in tinnitus-related thoughts, whereas attention to tinnitus resulted in an increase in such thoughts. No effects were seen in a control group who neither suppressed nor attended to their tinnitus. In an independent positron emission tomography study of cerebral blood flow with 8 patients we found that silent backward counting ('serial sevens test') led to a decrease in neural activity in auditory cortex, as well as perceived decrease of tinnitus loudness and annoyance. Thus, distraction that altered the tinnitus experience seemed to attenuate auditory cortex activity.
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3.
  • Andersson, Gerhard, 1966-, et al. (författare)
  • Internet-based self-help with therapist feedback and in vivo group exposure for social phobia : A randomized controlled trial
  • 2006
  • Ingår i: Journal of Consulting and Clinical Psychology. - 0022-006X .- 1939-2117. ; 74:4, s. 677-686
  • Tidskriftsartikel (refereegranskat)abstract
    • Sixty-four individuals with social phobia (social anxiety disorder) were assigned to a multimodal cognitive-behavioral treatment package or to a waiting list control group. Treatment consisted of a 9-week, Internet-delivered, self-help program that was combined with 2 group exposure sessions in real life and minimal therapist contact via e-mail. Results were analyzed on an intention-to-treat basis, including all randomized participants. From pre- to posttest, treated participants in contrast to controls showed significant improvement on most measured dimensions (social anxiety scales, general anxiety and depression levels, quality of life). The overall within- and between-groups effect sizes were Cohen's d = 0.87 and 0.70, respectively. Treatment gains were maintained at 1-year follow-up. The results from this study support the continued use and development of Internet-distributed, self-help programs for people diagnosed with social phobia.
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4.
  • Andersson, Gerhard, et al. (författare)
  • Therapeutic alliance in guided internet-delivered cognitive behavioural treatment of depression, generalized anxiety disorder and social anxiety disorder
  • 2012
  • Ingår i: Behaviour Research and Therapy. - : Elsevier. - 0005-7967 .- 1873-622X. ; 50:9, s. 544-550
  • Tidskriftsartikel (refereegranskat)abstract
    • Guided internet-delivered cognitive behaviour therapy (ICBT) has been found to be effective in several controlled trials, but the mechanisms of change are largely unknown. Therapeutic alliance is a factor that has been studied in many psychotherapy trials, but the role of therapeutic alliance in ICBT is less well known. The present study investigated early alliance ratings in three separate samples. Participants from one sample of depressed individuals (N = 49), one sample of individuals with generalized anxiety disorder (N = 35), and one sample with social anxiety disorder (N = 90) completed the Working Alliance Inventory (WAI) modified for ICBT early in the treatment (weeks 3-4) when they took part in guided ICBT for their conditions. Results showed that alliance ratings were high in all three samples and that the WAI including the subscales of Task, Goal and Bond had high internal consistencies. Overall, correlations between the WAI and residualized change scores on the primary outcome measures were small and not statistically significant. We conclude that even if alliance ratings are in line with face-to-face studies, therapeutic alliance as measured by the WAI is probably less important in ICBT than in regular face-to-face psychotherapy.
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5.
  • Andersson, Gerhard, et al. (författare)
  • Therapist experience and knowledge acquisition in internet-delivered CBT for social anxiety disorder : a randomized controlled trial
  • 2012
  • Ingår i: PLOS ONE. - : PLoS. - 1932-6203. ; 7:5, s. e37411-
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Guided internet-delivered cognitive behavior therapy (ICBT) has been tested in several trials on social anxiety disorder (SAD) with moderate to large effects. The aims of this study were threefold. First, to compare the effects of ICBT including online discussion forum with a moderated online discussion forum only. Second, to investigate if knowledge about SAD increased following treatment and third to compare the effects of inexperienced versus experienced therapists on patient outcomes. Methods: A total of 204 participants with a primary diagnosis of SAD were included and randomized to either guided ICBT or the control condition. ICBT consisted of a 9-week treatment program which was guided by either psychology students at MSc level (n = 6) or by licensed psychologists with previous experience of ICBT (n = 7). A knowledge test dealing with social anxiety was administered before and after treatment. Measures of social anxiety and secondary outcomes dealing with general anxiety, depression, and quality of life were administered before and after treatment. In addition, a 1-year follow-up was conducted on the treated individuals. Results: Immediately following treatment, the ICBT group showed superior outcome on the Liebowitz Social Anxiety Scale self-report version with a between group posttreatment Hedges geffect size ofg = 0.75. In addition, significant differences on all the secondary outcomes were observed. Gains were well maintained one year later. Knowledge, as assessed by the knowledge test, increased following treatment with little gain in the control group. Therapist experience did not result in different outcomes, but experienced therapists logged in less frequently compared to the inexperienced therapists, suggesting that they needed less time to support patients. Discussion: We conclude that guided ICBT reduce symptoms of SAD, increase knowledge about SAD and that therapist experience does not make a difference apart from the finding that experienced therapist may require less time to guide patients. Trial Registration: UMIN.ac.jp UMIN000001383
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6.
  • Bas-Hoogendam, Janna Marie, et al. (författare)
  • Voxel-based morphometry multi-center mega-analysis of brain structure in social anxiety disorder
  • 2017
  • Ingår i: NeuroImage. - : Elsevier BV. - 2213-1582. ; 16, s. 678-688
  • Tidskriftsartikel (refereegranskat)abstract
    • Social anxiety disorder (SAD) is a prevalent and disabling mental disorder, associated with significant psychiatric co-morbidity. Previous research on structural brain alterations associated with SAD has yielded inconsistent results concerning the direction of the changes in gray matter (GM) in various brain regions, as well as on the relationship between brain structure and SAD-symptomatology. These heterogeneous findings are possibly due to limited sample sizes. Multi-site imaging offers new opportunities to investigate SAD-related alterations in brain structure in larger samples.An international multi-center mega-analysis on the largest database of SAD structural T1-weighted 3T MRI scans to date was performed to compare GM volume of SAD-patients (n = 174) and healthy control (HC)-participants (n = 213) using voxel-based morphometry. A hypothesis-driven region of interest (ROI) approach was used, focusing on the basal ganglia, the amygdala-hippocampal complex, the prefrontal cortex, and the parietal cortex. SAD-patients had larger GM volume in the dorsal striatum when compared to HC-participants. This increase correlated positively with the severity of self-reported social anxiety symptoms. No SAD-related differences in GM volume were present in the other ROIs. Thereby, the results of this mega-analysis suggest a role for the dorsal striatum in SAD, but previously reported SAD-related changes in GM in the amygdala, hippocampus, precuneus, prefrontal cortex and parietal regions were not replicated. Our findings emphasize the importance of large sample imaging studies and the need for meta-analyses like those performed by the Enhancing NeuroImaging Genetics through Meta-Analysis (ENIGMA) Consortium.
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7.
  • Buhrman, Monica, 1974-, et al. (författare)
  • Guided internet-delivered acceptance and commitment therapy for chronic pain patients: A randomized controlled trial
  • 2013
  • Ingår i: Behaviour Research and Therapy. - : Elsevier. - 0005-7967 .- 1873-622X. ; 51:6, s. 307-315
  • Tidskriftsartikel (refereegranskat)abstract
    • Acceptance and commitment therapy (ACT) interventions for persons with chronic pain have recently received empirical support. ACT focuses on reducing the disabling influences of pain through targeting ineffective control strategies and teaches people to stay in contact with unpleasant emotions, sensations, and thoughts. The aim of the present study was to investigate the effect of a guided internet-delivered ACT intervention for persons with chronic pain. A total of 76 patients with chronic pain were included in the study and randomized to either treatment for 7 weeks or to a control group that participated in a moderated online discussion forum. Intent-to-treat analyses showed significant increases regarding activity engagement and pain willingness. Measurements were provided with the primary outcome variable Chronic Pain Acceptance Questionnaire which was in favour of the treatment group. Reductions were found on other measures of pain-related distress, anxiety and depressive symptoms. A six month follow-up showed maintenance of improvements. We conclude that an acceptance based internet-delivered treatment can be effective for persons with chronic pain.
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8.
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9.
  • Carlbring, Per, et al. (författare)
  • Long-term outcome of Internet-delivered cognitive-behavioural therapy for social phobia : a 30-month follow-up
  • 2009
  • Ingår i: Behaviour Research and Therapy. - : Elsevier BV. - 0005-7967 .- 1873-622X. ; 47:10, s. 848-850
  • Tidskriftsartikel (refereegranskat)abstract
    • Internet-delivered guided cognitive behaviour therapy for social anxiety disorder has been found to generate promising short-term results, up to one year posttreatment. No study has however documented longer follow-up periods. In this 30-month follow-up we contacted 57 participants from the original study of which 77.2% (44/57) responded to the Internet-administered outcome measures and 66.7% (38/57) completed a telephone interview. Results showed large pretreatment to follow-up within-group effect sizes for the primary outcome measures (Cohen's d 1.10-1.71), and a majority (68.4%; 26/38) reported improvements in the interview. The findings suggest that the long-term effects seen in previous live treatment CBT trials can occur in Internet-delivered treatment as well.
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10.
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