Hemispheric Functioning in Children With Subtypes of Attention-Deficit/Hyperactivity Disorder

Rolfe, Mei Hsin Suzanne; Hausmann, Markus; Waldie, Karen E.

doi:10.1177/1087054705286053

Cited by 16 publications

(14 citation statements)

References 60 publications

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“…Some behavioral studies, using the letter cancelation and line bisection tasks, have supported a subtle right hemisphere deficit in ADHD children (Rolfe et al, 2006;Sheppard et al, 1999;Voeller and Heilman, 1988). The right hemisphere, especially the right frontal region, has also been implicated in maintaining motor behavior (Kertesz et al, 1985), which has been shown to be deficient in ADHD children (Voeller et al, 1989;Voeller and Heilman, 1988).…”

mentioning

confidence: 99%

Event-related potentials in children with attention deficit hyperactivity disorder: An investigation using an auditory oddball task

Senderecka

Grabowska

Gerc

et al. 2012

International Journal of Psychophysiology

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mentioning

confidence: 99%

Event-related potentials in children with attention deficit hyperactivity disorder: An investigation using an auditory oddball task

Senderecka

Grabowska

Gerc

et al. 2012

International Journal of Psychophysiology

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“…Preliminary signs of executive abilities appear during the first year of life, but show a dramatic advance around the age of 5 years (Berger, Kofman, Livneh, & Henik, 2007;De Luca & Leventer, 2008). The study of lateralization of EF in this age group indicates a right prefrontal advantage (Rolfe, Hausmann, & Waldie, 2006;Rueda, Rothbart, McCandliss, Saccomanno, & Posner, 2005). Studies of response inhibition conducted with healthy children and adolescents show an increase in maturation of right-prefrontal regions with age (Rubia et al, 2001).…”

Section: Attention-network and Their Developmentmentioning

confidence: 66%

Asymmetric Attention Networks: The Case of Children

Yaakoby-Rotem

Geva

2014

J Int Neuropsychol Soc

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Visuospatial attention-networks are represented in both hemispheres, with right-hemisphere dominance in adults. Little is known about the lateralization of the attentional-networks in children. To assess the lateralization of attentional-networks in children aged 5 years, performance on a Lateralized-Attention-Network-Test specifically designed for children (LANT-C) was compared with performance on the Attention-Network-Test for children (ANT-C). Participants were 82 children, aged 5-6 years (55% boys, middle-class, mainstream schooling). They were examined with both the ANT-C and the LANT-C along with evaluation of intelligence and attention questionnaires. Multiple analysis of variance showed a main effect for network, with high efficiency for orienting and lower executive efficiency (accuracy; p < .001; η2 = .282). An effect for procedure, elucidated higher efficiency in the ANT-C relatively to the LANT-C (accuracy; p < .01; η2 = .097). A procedure × network interaction effect was also found, showing that this procedure difference is present in the alerting and executive networks (accuracy; p < .05; η2 = .096). LANT-C analysis showed a left visual-field advantage in alerting, (accuracy; p < .05; η2 = .066), while executing with the right hand benefitted executive performance (response-time; p < .05; η2 = .06). Results extend previous findings manifesting a right-hemisphere advantage in children's alerting-attention, pointing to the importance of lateralization of brain function to the understanding of the integrity of attention-networks in children.

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“…The influence of handedness on attention can be interpreted in the context of the asymmetry of the neurobiological substrates of attention. The neural processing of attention is known to be asymmetrical (e.g., Rolfe, Hausmann & Waldie, 2006;Schmidt et al, 2008) and left-handers are thought to have less marked hemispheric asymmetries than dextrals (Bishop, 1990;Schmidt, Oliveira, Krahe, & Filgueiras, 2000). In particular, subjects suffering from ADHD were found to show alteration in the normal pattern of asymmetries in the basal ganglia and frontal lobes (Castellanos et al, 2002;Swanson et al, 2007).…”

Section: Discussionmentioning

confidence: 99%

The Effects of Hand Preference on Attention

Schmidt¹,

Simões²,

Schmidt³

et al. 2013

PSYCH

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Handedness is associated with cerebral hemispheric differences. Normal patterns of brain asymmetries are needed for the neural processing of attention. In order to identify ADHD (Attention Deficit Hyperactive Disorder) children, the use of checklists allows a greater level of accuracy. Here, we will review our data on this subject. Our first study investigated the psychometric properties of a scale developed to assess attention disorders. Our second study investigated the relationship between handedness and attention disorders using the factors derived from the scale. Our third study included the use of a continuous visual test of attention (CVAT) and examined the relationship between handedness and CVAT variables. For the first and second study, 239 students were included. From this sample, 42 students were selected to participate in the third study. Forty-five teachers rated the children. Four factors were extracted: hyperactivity/impulsivity (explained variance = 36.3%); inattention (11.4%); social isolation (5.2%) and self-confidence (explained variance = 3.3%). Sixty-eight children were included in the ADHD group. We found a higher number of consistent left-handers in the ADHD group as compared to the normal group and a significant effect of handedness on factor hyperactivity/impulsivity. This indicated that left-handers showed greater problems in the hyperactivity-impulsivity domain as compared to right-handers. Considering the data derived from CVAT, a significant handedness effect was found only for the variable commission errors. Left-handers with attention problems showed the greatest number of errors and normal dextrals the lowest number of errors. Normal left-handers made significantly more errors than normal dextrals. Commission error is a parameter that is commonly viewed as a measure of impulsivity. Our data show that hyperactivity/impulsivity is related to handedness, because left-handers present more problems in impulsive behavior than right-handers and suggest that consistent left-handed subjects show greater probability to develop ADHD as compared to right-handed subjects.

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Hemispheric Functioning in Children With Subtypes of Attention-Deficit/Hyperactivity Disorder

Abstract: These findings suggest that the subtypes represent two distinct disorders and that, unlike ADHD-C, ADHD-I may not be the result of right hemisphere dysfunction.

Cited by 16 publications

References 60 publications

Event-related potentials in children with attention deficit hyperactivity disorder: An investigation using an auditory oddball task

Event-related potentials in children with attention deficit hyperactivity disorder: An investigation using an auditory oddball task

Asymmetric Attention Networks: The Case of Children

The Effects of Hand Preference on Attention

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