Frontal cortical regions associated with attention connect more strongly to central than peripheral V1

Sims, Sara A.; Demirayak, Pınar; Cedotal, Simone; Visscher, Kristina

doi:10.1016/j.neuroimage.2021.118246

Cited by 10 publications

(6 citation statements)

References 107 publications

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“…Therefore, the improvement of CS by acupuncture at the Taiyang acupoint may be achieved by increasing the efficiency of visual information extraction by salience network (Quentin et al, 2016). This study found that, although the CS of all spatial frequencies after acupuncture increased, only CS at high spatial frequencies was negatively correlated with the contribution of microstate C. Compared with low space frequency (peripheral visual sensitivity), high space frequency (central fovea sensitivity) stimulation is more closely linked to high-level cognitive brain areas, such as the Fronto-Parietal network (Musel et al, 2013;Zhaoping, 2019;Sims et al, 2021). This showed that the contrast sensitivity of high spatial frequencies was negatively correlated with the contribution of microstate C, while the contrast sensitivity of low spatial frequencies showed a similar trend with these two parameters, but the correlation was not significant.…”

Section: Discussionmentioning

confidence: 83%

The effect of acupuncture at the Taiyang acupoint on visual function and EEG microstates in myopia

Su,

Wang,

Wang

et al. 2023

Front. Integr. Neurosci.

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ObjectiveAcupuncture has certain effects to improve myopia visual function, but its neural mechanism is unclear. In this study, we acupunctured at the right Taiyang acupoint of myopic patients to analyze the effects of acupuncture on visual function and electroencephalographic activity and to investigate the correlation between improvements in visual function and changes in the brain.MethodsIn this study, a total of 21 myopic patients were recruited. The contrast sensitivity (CS) of the subjects was examined before and after acupuncture, and electroencephalography (EEG) data of the entire acupuncture process were recorded.ResultsThe study found that compared with before acupuncture, the CS of both eyes in myopic patients at each spatial frequency was increased after acupuncture; compared with the resting state, the contribution of microstate C was decreased during the post-acupuncture state, and the transition probability between microstate A and microstate C was reduced; in addition, the contribution of microstate C was negatively correlated with CS at both 12 and 18 cpd.ConclusionThe contrast sensitivity of myopic patients was improved after acupuncture at the Taiyang acupoint (20 min), which may be related to microstate C.

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Section: Discussionmentioning

confidence: 83%

The effect of acupuncture at the Taiyang acupoint on visual function and EEG microstates in myopia

Su,

Wang,

Wang

et al. 2023

Front. Integr. Neurosci.

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“…Work in both patients with MD and controls suggests that visual field-specific variation in sustained attention influences choice of a PRL (Altpeter et al, 2000;Barraza-Bernal et al, 2017). Studies in healthy participants showed that cortical regions processing central vision are preferentially connected to frontoparietal brain regions associated with attention (Griffis et al, 2017;Sims et al, 2021) with respect to regions processing peripheral vision, which is consistent with stronger topdown control of central vision (Chen and Treisman, 2008;Zhaoping, 2017).…”

Section: Spontaneous Plasticity After Macular Degenerationmentioning

confidence: 77%

“…Further, data from healthy controls show that functional connectivity between early visual areas and areas associated with attention/cognitive control (Altpeter et al, 2000;Li et al, 2004;Dosenbach et al, 2008) are stronger in representations of central than peripheral vision (Griffis et al, 2015;Sims et al, 2021). While extant literature has not explicitly addressed PL-based reorganization of attention networks after central vision loss, there is substantial evidence that attention processes are highly plastic (Frankó et al, 2010;Byers and Serences, 2012;Bays et al, 2015), and that attentional processes are altered in MD (Baker et al, 2005;Masuda et al, 2008;Dilks et al, 2009).…”

Section: Spontaneous Plasticity After Macular Degenerationmentioning

confidence: 99%

Perspective on Vision Science-Informed Interventions for Central Vision Loss

2021

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Pathologies affecting central vision, and macular degeneration (MD) in particular, represent a growing health concern worldwide, and the leading cause of blindness in the Western World. To cope with the loss of central vision, MD patients often develop compensatory strategies, such as the adoption of a Preferred Retinal Locus (PRL), which they use as a substitute fovea. However, visual acuity and fixation stability in the visual periphery are poorer, leaving many MD patients struggling with tasks such as reading and recognizing faces. Current non-invasive rehabilitative interventions are usually of two types: oculomotor, aiming at training eye movements or teaching patients to use or develop a PRL, or perceptual, with the goal of improving visual abilities in the PRL. These training protocols are usually tested over a series of outcome assessments mainly measuring low-level visual abilities (visual acuity, contrast sensitivity) and reading. However, extant approaches lead to mixed success, and in general have exhibited large individual differences. Recent breakthroughs in vision science have shown that loss of central vision affects not only low-level visual abilities and oculomotor mechanisms, but also higher-level attentional and cognitive processes. We suggest that effective interventions for rehabilitation after central vision loss should then not only integrate low-level vision and oculomotor training, but also take into account higher level attentional and cognitive mechanisms.

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“…MT-projecting neurons, in layer 3C of V1, in the central regions of the retinotopic map are mostly spiny stellate whereas neurons in the peripheral representation are mostly pyramidal. Distinct connectivity between the central and peripheral representation of visual areas and the rest of the brain have also been observed in other cortical areas of the marmoset ( Majka et al, 2019 ) as well as in the visual cortex of humans ( Griffis et al, 2017 ; Sims et al, 2021 ). Future studies using optical imaging in smooth-brained primates may reveal additional topographic specializations in early cortical areas.…”

Section: Location-dependent Feature Sensitivity In the Retina And Ear...mentioning

confidence: 89%

What and Where: Location-Dependent Feature Sensitivity as a Canonical Organizing Principle of the Visual System

Sedigh-Sarvestani

Fitzpatrick

2022

Front. Neural Circuits

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Traditionally, functional representations in early visual areas are conceived as retinotopic maps preserving ego-centric spatial location information while ensuring that other stimulus features are uniformly represented for all locations in space. Recent results challenge this framework of relatively independent encoding of location and features in the early visual system, emphasizing location-dependent feature sensitivities that reflect specialization of cortical circuits for different locations in visual space. Here we review the evidence for such location-specific encoding including: (1) systematic variation of functional properties within conventional retinotopic maps in the cortex; (2) novel periodic retinotopic transforms that dramatically illustrate the tight linkage of feature sensitivity, spatial location, and cortical circuitry; and (3) retinotopic biases in cortical areas, and groups of areas, that have been defined by their functional specializations. We propose that location-dependent feature sensitivity is a fundamental organizing principle of the visual system that achieves efficient representation of positional regularities in visual experience, and reflects the evolutionary selection of sensory and motor circuits to optimally represent behaviorally relevant information. Future studies are necessary to discover mechanisms underlying joint encoding of location and functional information, how this relates to behavior, emerges during development, and varies across species.

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Frontal cortical regions associated with attention connect more strongly to central than peripheral V1

Cited by 10 publications

References 107 publications

The effect of acupuncture at the Taiyang acupoint on visual function and EEG microstates in myopia

The effect of acupuncture at the Taiyang acupoint on visual function and EEG microstates in myopia

Perspective on Vision Science-Informed Interventions for Central Vision Loss

What and Where: Location-Dependent Feature Sensitivity as a Canonical Organizing Principle of the Visual System

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