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Rodrigues, Camila Luisi; Rocca, Cristiana Castanho de Almeida; Serafim, Antonio; Santos, Bernando dos; Asbahr, Fernando Ramos
Psychiatry research, 04/2019, Volume: 274Journal Article
•Comparison of neuropsychological aspects of youngsters with anxiety disorders and controls.•Youngsters with anxiety disorders have poorer performances in some neuropsychological tasks.•Youngsters with anxiety disorders make more errors and take more time in tasks of cognitive planning.•Anxiety disorders in children and adolescents may have a negative impact on cognitive functioning. Anxiety disorders are associated with poor neuropsychological performance in attention and memory. However, little is known about the impact of these difficulties on other cognitive functions, such as planning. The ability to plan, including attention, working memory and set-shifting components, can be assessed by the Tower of Hanoi task (ToH). This study evaluated seventy-one participants, aged from 7–17 years. Thirty-seven subjects met DSM-IV diagnostic criteria for at least one anxiety disorder and 34 individuals comprised the controls. The neuropsychological tests used were: the ToH, a problem-solving task, involves planning ability and other executive functions (working memory, attentional control and cognitive flexibility); for the assessment of processing speed and problem-solving, the Vocabulary/Matrix Reasoning subtests of the Wechsler Abbreviated Scale of Intelligence was used to measure for estimated-IQ in both groups. The groups were compared with a generalized linear model controlling for age, IQ and ADHD comorbidity. Compared with controls, anxiety disorders subjects made more errors and required more time to complete the ToH. Children and adolescents with anxiety disorders have poorer planning ability compared to subjects without anxiety disorders, and the difficulty in planning is affected by interference from other cognitive functions, such as attention, working memory, cognitive flexibility and problems-solutions.
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