scholarly journals Annual Research Review: Reaction time variability in ADHD and autism spectrum disorders: measurement and mechanisms of a proposed trans-diagnostic phenotype

2014 ◽  
Vol 55 (6) ◽  
pp. 685-710 ◽  
Author(s):  
Sarah L. Karalunas ◽  
Hilde M. Geurts ◽  
Kerstin Konrad ◽  
Stephan Bender ◽  
Joel T. Nigg
2013 ◽  
Vol 16 (4) ◽  
pp. 2156759X1501604
Author(s):  
Richard W. Auger

The number of students with autism spectrum disorders (ASD) has risen significantly in recent years (CDC, 2012), and students with ASD present unique challenges to schools and school counselors. This article presents a synthesis of recent research literature related to ASD for the purpose of providing school counselors with assistance in understanding and addressing the needs of students with ASD. Specific areas of focus include the prevalence, developmental course, and defining characteristics of ASD, and research on the effectiveness of interventions for students with ASD. Students with ASD are at increased risk for a range of problems, including social deficits and limitations, anxiety, aggression, peer victimization, and underachievement (Ashburner, Ziviani, & Rodger, 2010). Interventions to address the social deficits of students with ASD have shown promise but also have been found to lack results that are generalizable and that persist over time (Schreiber, 2011). This article provides specific recommendations for school counselors.


2015 ◽  
Vol 24 (9) ◽  
pp. 1266-1275 ◽  
Author(s):  
Erik Truedsson ◽  
Gunilla Bohlin ◽  
Cecilia Wåhlstedt

Objective: The aim of the present study was to investigate the specificity of inhibition, working memory (WM), and reaction time variability (RTV) in relation to symptoms of ADHD and autism spectrum disorder (ASD). Method: A community-based sample of schoolchildren aged 7 to 9 years ( N = 200) completed tasks designed to measure inhibition, WM, and RTV. Results: All neuropsychological functions were related to symptoms of both ADHD and ASD. The results from regression analyses showed that inhibition and RTV were related specifically to ADHD symptoms when controlling for symptoms of ASD. Regarding WM, no specific association with either symptom domain was evident after controlling for the other. Furthermore, independent contributions of inhibition and RTV were found in relation to ADHD symptoms after controlling for ASD symptoms. Conclusion: The present study underscores the relevance of controlling for ADHD symptoms when examining ASD symptoms in relation to neuropsychological functions.


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