期刊
BEHAVIOUR RESEARCH AND THERAPY
卷 46, 期 11, 页码 1193-1200出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.brat.2008.07.005
关键词
Tourette; Tic; Behavior; Suppression; Attention
Tourette syndrome (TS) is characterized by motor and/or vocal tics. Tics are thought to be temporarily suppressible, and it is believed that suppression requires significant attentional resources. The aim of the current study was to examine the impact of an attention-demanding distraction task on tic suppression. A secondary aim was to examine whether performance on that task decreased during concomitant periods Of Suppression. Nine children with TS, ages 9-15, participated in the study, An alternating treatment design was used to compare three conditions, free-to-tic baseline (BL), reinforced tic suppression (SUP) and reinforced tic suppression plus a distraction task (SUP + DIS). Tic frequencies were significantly higher during BL conditions than both SUP and SUP + DIS conditions, and tic frequencies during SUP and SUP + DIS did not differ. Accuracy on the distraction task decreased during SUP + DIS as compared to BL. Results suggest that contextual distractions may not negatively impact tic frequencies. In addition, accuracy on an attention-demanding task may be impacted if a child is simultaneously Suppressing. (c) 2008 Elsevier Ltd. All rights reserved.
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