Attentional Bias Modification Through Eye-tracker Methodology (ABMET)
NCT ID: NCT02847793
Last Updated: 2018-10-10
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
32 participants
INTERVENTIONAL
2016-04-01
2017-07-28
Brief Summary
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The aim of this study will be targeting and modifying specifically relevant attention biases in participants with subclinical depression using eye-tracking methodologies. This innovative approach has been proposed as a promising future line of intervention in Attention Bias Modification procedures (Koster \& Hoorelbeke, 2015).
Recent findings suggest that depression is characterized by a double attentional bias (Duque \& Vazquez, 2015), More specifically, depressed individuals have difficulties both to disengage from negative materials (e.g., sad faces) and to engage with positive materials (e.g., happy faces). Thus, training procedures to change attentional biases should target these two separate components.
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Detailed Description
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Although initial positive results of ABM led some authors to propose it as an alternative treatment for emotional disorders (Bar-Haim, 2010; MacLeod \& Holmes, 2012), some recent meta-analysis (Mogoase et al. 2014; Cristea et al., 2015) have reduced the enthusiasm of those previous claims.Yet, it is likely that modest results of ABM procedures in depression are, in part, based on flawed methodologies. The proposed study aims to rectify several limitations of previous designs while opening a new strategy, based in training ocular movements, to modify attentional patterns. With a series of methodological and conceptual improvements (i.e., trial-by- trial feedback, use of different tasks to measure attentional bias and to do the ABM, use of a yoked-group design to control for the time exposure to the emotional stimuli in the control group, and use of a stress-test to measure transfer of the training to a different task), it is expected that some limitations found in previous studies can be overcome. The general aim of the study will be to train adaptive attentional biases (i.e., training the maintenance of gaze towards positive stimuli). The use of the new ABM in a sample of dysphoric participants will allow us to test if training visual selective attention using eye-tracking methodology could be a promising venue for future ABM procedures more solidly grounded on current theories of depression.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
BASIC_SCIENCE
SINGLE
Study Groups
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Gaze training
Participants are required to maintain their gaze in a given picture (e.g., a happy face), for a given time (i.e., 750ms vs 1500 ms) to advance to the next trial
Gaze training
Participants are required to maintain their gaze in a given picture (e.g., a happy face), for a given time (i.e., 750ms vs 1500 ms) to advance to the next trial. (A total of 576 trials will be distributed in a 2-day intervention).
Placebo intervention
Using a matching procedure (i.e., yoked control group), participants are required to maintain their gaze in a given picture (e.g., a happy face), for the same average time that their counterparts in the Gaze training group (i.e. Experimental group)
Placebo intervention
Participants are exposed to the same amount of time to the experimental stimuli used in the experimental group but there is no contingency between participants' gaze patterns and the end of each of the 576 trials.
Interventions
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Gaze training
Participants are required to maintain their gaze in a given picture (e.g., a happy face), for a given time (i.e., 750ms vs 1500 ms) to advance to the next trial. (A total of 576 trials will be distributed in a 2-day intervention).
Placebo intervention
Participants are exposed to the same amount of time to the experimental stimuli used in the experimental group but there is no contingency between participants' gaze patterns and the end of each of the 576 trials.
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
18 Years
ALL
No
Sponsors
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Ministerio de Economía y Competitividad, Spain
OTHER_GOV
Universidad Complutense de Madrid
OTHER
Responsible Party
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Carmelo Vázquez
Full Professor of Psychopathology
Principal Investigators
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Carmelo Vazquez, Ph.D:
Role: PRINCIPAL_INVESTIGATOR
Universidad Complutense de Madrid
Locations
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School of Psychology
Madrid, , Spain
Countries
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References
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Cristea IA, Kok RN, Cuijpers P. Efficacy of cognitive bias modification interventions in anxiety and depression: meta-analysis. Br J Psychiatry. 2015 Jan;206(1):7-16. doi: 10.1192/bjp.bp.114.146761.
Mogoase C, David D, Koster EH. Clinical efficacy of attentional bias modification procedures: an updated meta-analysis. J Clin Psychol. 2014 Dec;70(12):1133-57. doi: 10.1002/jclp.22081. Epub 2014 Mar 20.
Emmelkamp PM. Attention bias modification: the Emperor's new suit? BMC Med. 2012 Jun 25;10:63. doi: 10.1186/1741-7015-10-63.
Macleod C, Holmes EA. Cognitive bias modification: an intervention approach worth attending to. Am J Psychiatry. 2012 Feb;169(2):118-20. doi: 10.1176/appi.ajp.2011.11111682. No abstract available.
Duque A, Vazquez C. Double attention bias for positive and negative emotional faces in clinical depression: evidence from an eye-tracking study. J Behav Ther Exp Psychiatry. 2015 Mar;46:107-14. doi: 10.1016/j.jbtep.2014.09.005. Epub 2014 Sep 22.
Sanchez A, Vazquez C, Marker C, LeMoult J, Joormann J. Attentional disengagement predicts stress recovery in depression: an eye-tracking study. J Abnorm Psychol. 2013 May;122(2):303-13. doi: 10.1037/a0031529. Epub 2013 Feb 18.
Bar-Haim Y, Holoshitz Y, Eldar S, Frenkel TI, Muller D, Charney DS, Pine DS, Fox NA, Wald I. Life-threatening danger and suppression of attention bias to threat. Am J Psychiatry. 2010 Jun;167(6):694-8. doi: 10.1176/appi.ajp.2009.09070956. Epub 2010 Apr 15.
Vazquez C, Blanco I, Sanchez A, McNally RJ. Attentional bias modification in depression through gaze contingencies and regulatory control using a new eye-tracking intervention paradigm: study protocol for a placebo-controlled trial. BMC Psychiatry. 2016 Dec 8;16(1):439. doi: 10.1186/s12888-016-1150-9.
Other Identifiers
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PSI2014-61764-EXPLORA
Identifier Type: -
Identifier Source: org_study_id
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