Lateral asymmetry of voluntary attention orienting

Castro-Barros, B.A.; Lacerda, Alessandra Maria Dias; Righi, Luana Lira; Ribeiro-do-Valle, L.E.

doi:10.1590/s0100-879x2010007500070

Cited by 4 publications

(2 citation statements)

References 29 publications

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“…For instance, sensory responses to visual inputs presented in the left visual field (LVF) and right visual field (RVF) were equally enhanced at the selectively attended location (Mangun & Hillyard, 1991). Moreover, voluntary attention appears to behave similarly across both LVF and RVF, such that quicker reaction time was associated with the visual input at the attended location, regardless of visual field (e.g., Castro-Barros, Lacerda, Righi, & Riberiro-Do-Valle, 2012;Posner, 1980). Accordingly, if directed visual attention can bias sensory responses in both visual hemifields, does task-related attention modulate visual sensory gain control in a similar, somewhat unbiased manner?…”

Section: Introductionmentioning

confidence: 99%

Visual asymmetry revisited: Mind wandering preferentially disrupts processing in the left visual field

Kam¹,

Nagamatsu²,

Handy³

2014

Brain and Cognition

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Section: Introductionmentioning

confidence: 99%

Visual asymmetry revisited: Mind wandering preferentially disrupts processing in the left visual field

Kam¹,

Nagamatsu²,

Handy³

2014

Brain and Cognition

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“…A condição neutra é representada pelo piscar simultâneo das duas demarcações nos testes de atenção automática (Kim et al, 1999;Righi, Ribeiro-do-Valle, 2011) e pelo piscar de duas cabeças de setas centrais nos testes de atenção voluntária (Castro-Barros et al, 2010;Kim et al, 1999). Nesta condição, o estímulo alvo tem a mesma probabilidade de ocorrer na demarcação do lado esquerdo ou naquela do lado direito do ponto de fixação.…”

Section: Comentários Sobre a Tarefa Utilizada No Estudounclassified

Orientação espacial da atenção automática e voluntária com ressonância magnética funcional relacionada à eventos.

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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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Lateral asymmetry of voluntary attention orienting

Cited by 4 publications

References 29 publications

Visual asymmetry revisited: Mind wandering preferentially disrupts processing in the left visual field

Visual asymmetry revisited: Mind wandering preferentially disrupts processing in the left visual field

Orientação espacial da atenção automática e voluntária com ressonância magnética funcional relacionada à eventos.

Asymmetric Attention Networks: The Case of Children

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