Attentional systems in target and distractor processing: a combined ERP and fMRI study

Bledowski, Christoph; Prvulovic, David; Goebel, Rainer; Zanella, Friedhelm E.; Linden, David Edmund Johannes

doi:10.1016/j.neuroimage.2003.12.034

Cited by 261 publications

(207 citation statements)

References 59 publications

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“…Literature regarding selective attention indicates that activity of the FEF (including the adjacent regions around the precentral sulcus) mediates shifts of attention and discrimination between targets and distracters (Astafiev et al, 2003;Hopfinger et al, 2000). For example, FEF neurons in monkeys are activated during discrimination between targets and distracters (Bichot and Schall, 1999;Thompson and Bichot, 2005); and the FEF is activated by distracters while human subjects perform an oddball task (Bledowski et al, 2004). This activation is believed to reflect discrimination of distracters from targets and diversion of attention from distracters (Bledowski et al, 2004).…”

Section: Discussionmentioning

confidence: 99%

“…For example, FEF neurons in monkeys are activated during discrimination between targets and distracters (Bichot and Schall, 1999;Thompson and Bichot, 2005); and the FEF is activated by distracters while human subjects perform an oddball task (Bledowski et al, 2004). This activation is believed to reflect discrimination of distracters from targets and diversion of attention from distracters (Bledowski et al, 2004). Previous fMRI studies found that activity in the FEF is associated with the diversion of attention in space (Astafiev et al, 2003;Hopfinger et al, 2000), the shifting of attention between objects at the same location, and between features of the same object (Liu et al, 2003;Serences et al, 2004).…”

Section: Discussionmentioning

confidence: 99%

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Effect of Cigarette Smoking on Prefrontal Cortical Function in Nondeprived Smokers Performing the Stroop Task

Mendrek

Cohen

et al. 2006

Neuropsychopharmacol

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Some reports indicate that cigarette smoking can help smokers focus attention, even when they have not abstained from smoking for a substantial period of time (eg, 41 h). Understanding the mechanisms by which smoking affects attention may help in designing smoking cessation treatments. Thirteen nonsmokers and nine smokers participated in two tests of blood oxygen level dependent (BOLD) functional magnetic resonance imaging (fMRI). During fMRI, the participants performed the Stroop Task. There was a 15-min break between the two tests. During the break, each smoker smoked one cigarette. For smokers, the first test began 45-60 min after the last cigarette of ad libitum smoking. The differences in BOLD signal changes between Stroop conditions (ie, incongruent minus congruent) showed a group Â test interaction in the right precentral sulcus, including the putative human frontal eye field (FEF). Smokers, but not nonsmokers, showed greater changes (relative to rest) in BOLD signal in the incongruent than in the congruent condition in the first fMRI test but not in the second. Even after brief abstinence from smoking, therefore, smokers exhibit compromised functional efficiency in the right FEF and adjacent precentral sulcus in a test of selective attention; and smoking ameliorates this condition.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Effect of Cigarette Smoking on Prefrontal Cortical Function in Nondeprived Smokers Performing the Stroop Task

Mendrek

Cohen

et al. 2006

Neuropsychopharmacol

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“…Debener et al, 2005;Escera et al, 1998;Goldstein et al, 2002). ERP and fMRI studies suggest that a frontal attention mechanism governs neural responsivity to novelty (Daffner et al, 2000a(Daffner et al, , 2000b(Daffner et al, , 2000cSuwazono et al, 2000), thereby implying top-down control (Bledowski et al, 2004a;Dien et al, 2004;Kiehl et al, 2005;Opitz et al, 1999;Opitz, 2003). Attentional resources used to maintain memory items in parietal regions may result from response organization produced by bottom-up processing (Conroy and Polich, 2007;Nieuwenhuis et al, 2005;Verleger et al, 2005).…”

Section: Neural Origins Of P3a and P3bmentioning

confidence: 99%

Updating P300: An integrative theory of P3a and P3b

Polich

2007

Clinical Neurophysiology

6,102

443

5,993

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The empirical and theoretical development of the P300 event-related brain potential (ERP) is reviewed by considering factors that contribute to its amplitude, latency, and general characteristics. The neuropsychological origins of the P3a and P3b subcomponents are detailed, and how target/ standard discrimination difficulty modulates scalp topography is discussed. The neural loci of P3a and P3b generation are outlined, and a cognitive model is proffered: P3a originates from stimulusdriven frontal attention mechanisms during task processing, whereas P3b originates from temporalparietal activity associated with attention and appears related to subsequent memory processing. Neurotransmitter actions associating P3a to frontal/dopaminergic and P3b to parietal/norepinephrine pathways are highlighted. Neuroinhibition is suggested as an overarching theoretical mechanism for P300, which is elicited when stimulus detection engages memory operations.

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“…On the other hand, the P3 shows a rather opposite developmental pattern. This potential is also modulated by validity of the cue, showing larger amplitude at invalid compared to valid-cue trials (Bledowski, Prvulovic, Goebel, Zanella, & Linden, 2004;Gómez et al, 2008), and thus has been related to processes of disengagement and reorienting of attention. In our study, modulation of the P3 by the validity of the cue was larger for the youngest group of children.…”

Section: Orienting Networkmentioning

confidence: 99%

Electrophysiological correlates of attention networks in childhood and early adulthood

et al. 2014

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a b s t r a c tAttention has been related to functions of alerting, orienting, and executive control, which are associated with distinct brain networks. This study aimed at understanding the neural mechanisms underlying the development of attention functions during childhood. A total of 46 healthy 4-13-year-old children and 15 adults performed an adapted version of the Attention Network Task (ANT) while brain activation was registered with a high-density EEG system. Performance of the ANT revealed changes in the efficiency of attention networks across ages. While no differences were observed on the alerting score, both orienting and executive attention scores showed a more protracted developmental curve. Further, age-related differences in brain activity were mostly observed in early ERP components. Young children had poorer early processing of warning cues compared to 10-13-year-olds and adults, as shown by an immature auditory-evoked potential complex elicited by warning tones. Also, 4-6-year-olds exhibited a poorer processing of orienting cues as indexed by lack of modulation of the N1. Finally, flanker congruency produced earlier modulation of ERPs amplitude with age. Flanker congruency effects were delayed and more anteriorly distributed for young children, compared to adults who showed a clear modulation of the N2 in fronto-parietal channels. Additionally, interactions among attention networks were examined. Both alerting and orienting conditions modulated the effectiveness of conflict processing by the executive attention network. The Orienting Â Executive networks interactions was only observed after about age 7. Results are informative of the neural correlates of the development of attention networks in childhood.

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Attentional systems in target and distractor processing: a combined ERP and fMRI study

Cited by 261 publications

References 59 publications

Effect of Cigarette Smoking on Prefrontal Cortical Function in Nondeprived Smokers Performing the Stroop Task

Effect of Cigarette Smoking on Prefrontal Cortical Function in Nondeprived Smokers Performing the Stroop Task

Updating P300: An integrative theory of P3a and P3b

Electrophysiological correlates of attention networks in childhood and early adulthood

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