BACKGROUND Illness anxiety disorder(IAD)is a common,distressing,and debilitating condition with the key feature being a persistent conviction of the possibility of having one or more serious or progressive physical di...BACKGROUND Illness anxiety disorder(IAD)is a common,distressing,and debilitating condition with the key feature being a persistent conviction of the possibility of having one or more serious or progressive physical disorders.Because eye movements are guided by visual-spatial attention,eye-tracking technology is a comparatively direct,continuous measure of attention direction and speed when stimuli are oriented.Researchers have tried to identify selective visual attention biases by tracking eye movements within dot-probe paradigms because dot-probe paradigm can distinguish these attentional biases more clearly.AIM To examine the association between IAD and biased processing of illness-related information.METHODS A case-control study design was used to record eye movements of individuals with IAD and healthy controls while participants viewed a set of pictures from four categories(illness-related,socially threatening,positive,and neutral images).Biases in initial orienting were assessed from the location of the initial shift in gaze,and biases in the maintenance of attention were assessed from the duration of gaze that was initially fixated on the picture per image category.RESULTS The eye movement of the participants in the IAD group was characterized by an avoidance bias in initial orienting to illness-related pictures.There was no evidence of individuals with IAD spending significantly more time viewing illness-related images compared with other images.Patients with IAD had an attention bias at the early stage and overall attentional avoidance.In addition,this study found that patients with significant anxiety symptoms showed attention bias in the late stages of attention processing.CONCLUSION Illness-related information processing biases appear to be a robust feature of IAD and may have an important role in explaining the etiology and maintenance of the disorder.展开更多
BACKGROUND As a substitute for traditional drug therapy,digital cognitive-behavioral therapy positively impacts the regulation of brain function,which can improve insomnia.However,there is currently a paucity of studi...BACKGROUND As a substitute for traditional drug therapy,digital cognitive-behavioral therapy positively impacts the regulation of brain function,which can improve insomnia.However,there is currently a paucity of studies on digital cognitive behavioral therapy as a treatment for insomnia.AIM To assess digital cognitive behavioral therapy for insomnia regarding its positive impact on brain function.METHODS Participants were randomly assigned to either a go/no-go group or a dot-probe group.The primary outcome was quality of sleep as assessed by the actigraphy sleep monitoring bracelet,Pittsburgh sleep quality index(PSQI),insomnia severity index(ISI),and depression anxiety and stress scale(DASS-21).RESULTS Eighty patients were included in the analysis(go/no-go group:n=40;dot-probe group:n=40).We combined the total scale scores of the two groups before and after the intervention in the analysis of covariance.Our study explored whether insomnia symptoms in both groups can be improved by using digital cognitive behavioral therapy instead of trying to compare the two trials;therefore,only one P value is listed.In both groups,we found a short-term time effect on insomnia symptom severity(PSQI:P<0.001,η^(2)=0.336;ISI:P<0.001,η^(2)=0.667;DASS-depression:P<0.001,η^(2)=0.582;DASS-anxiety:P<0.001,η^(2)=0.337;DASS-stress:P<0.001,η^(2)=0.443)and some effect on sleep efficiency(but it was not significant,P=0.585,η^(2)=0.004).CONCLUSION Go/no-go task training of inhibitory function had a short-term positive effect on sleep efficiency,whereas dotprobe task training had a positive short-term effect on emotion regulation.展开更多
基金Supported by the Capital Health Development Research Project,No.2016-1-2121.Institutional review。
文摘BACKGROUND Illness anxiety disorder(IAD)is a common,distressing,and debilitating condition with the key feature being a persistent conviction of the possibility of having one or more serious or progressive physical disorders.Because eye movements are guided by visual-spatial attention,eye-tracking technology is a comparatively direct,continuous measure of attention direction and speed when stimuli are oriented.Researchers have tried to identify selective visual attention biases by tracking eye movements within dot-probe paradigms because dot-probe paradigm can distinguish these attentional biases more clearly.AIM To examine the association between IAD and biased processing of illness-related information.METHODS A case-control study design was used to record eye movements of individuals with IAD and healthy controls while participants viewed a set of pictures from four categories(illness-related,socially threatening,positive,and neutral images).Biases in initial orienting were assessed from the location of the initial shift in gaze,and biases in the maintenance of attention were assessed from the duration of gaze that was initially fixated on the picture per image category.RESULTS The eye movement of the participants in the IAD group was characterized by an avoidance bias in initial orienting to illness-related pictures.There was no evidence of individuals with IAD spending significantly more time viewing illness-related images compared with other images.Patients with IAD had an attention bias at the early stage and overall attentional avoidance.In addition,this study found that patients with significant anxiety symptoms showed attention bias in the late stages of attention processing.CONCLUSION Illness-related information processing biases appear to be a robust feature of IAD and may have an important role in explaining the etiology and maintenance of the disorder.
基金Supported by the Shanghai Pujiang Program,No.2020PJC115Social Science Incubation Fund of Naval Medical University,No.2022SK027+1 种基金Scientific Research Program of Provincial Department of Education,No.Q20224105Research on the High-quality Development of Sports Talents in Hubei Province’s Universities Under the Background of Integration of Sports and Education,No.2022GA059.
文摘BACKGROUND As a substitute for traditional drug therapy,digital cognitive-behavioral therapy positively impacts the regulation of brain function,which can improve insomnia.However,there is currently a paucity of studies on digital cognitive behavioral therapy as a treatment for insomnia.AIM To assess digital cognitive behavioral therapy for insomnia regarding its positive impact on brain function.METHODS Participants were randomly assigned to either a go/no-go group or a dot-probe group.The primary outcome was quality of sleep as assessed by the actigraphy sleep monitoring bracelet,Pittsburgh sleep quality index(PSQI),insomnia severity index(ISI),and depression anxiety and stress scale(DASS-21).RESULTS Eighty patients were included in the analysis(go/no-go group:n=40;dot-probe group:n=40).We combined the total scale scores of the two groups before and after the intervention in the analysis of covariance.Our study explored whether insomnia symptoms in both groups can be improved by using digital cognitive behavioral therapy instead of trying to compare the two trials;therefore,only one P value is listed.In both groups,we found a short-term time effect on insomnia symptom severity(PSQI:P<0.001,η^(2)=0.336;ISI:P<0.001,η^(2)=0.667;DASS-depression:P<0.001,η^(2)=0.582;DASS-anxiety:P<0.001,η^(2)=0.337;DASS-stress:P<0.001,η^(2)=0.443)and some effect on sleep efficiency(but it was not significant,P=0.585,η^(2)=0.004).CONCLUSION Go/no-go task training of inhibitory function had a short-term positive effect on sleep efficiency,whereas dotprobe task training had a positive short-term effect on emotion regulation.
