Eye position‐dependent activity in the primary visual area as revealed by fMRI

Andersson, Frédéric; Joliot, Marc; Perchey, Guy; Petit, Laurent

doi:10.1002/hbm.20296

Cited by 17 publications

(13 citation statements)

References 47 publications

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“…Consistent with previous observations (Trotter and Celebrini 1999;DeSouza et al 2002;Rosenbluth and Allman 2002;Deutschländer et al 2005;Andersson et al 2007), we found that gaze modulated visual information processing activation independent of finger movement in occipital, frontal, and parietal cortex and parahippocampal region. Contrary to previous publications (Deutschländer et al 2005;Andersson et al 2007), we found a clear spatial organization of gaze effects that generally showed preference for rightward and upward gaze deviations. This spatial organization paralleled the one observed on finger movements and suggest a tight coupling between the visual and motor systems that could subserve and initiate visuo-motor integration.…”

Section: Pure Gaze Effectssupporting

confidence: 92%

“…Human brain activation studies have also indicated that gaze angle can modulate information processing in a variety of brain areas involved in planning and preparing skeletal movements (Baker et al 1999;DeSouza et al 2000;Medendorp et al 2003;Andersson et al 2007). These gaze effects occur for tasks that required gaze alignment with finger pointing (DeSouza et al 2000;Medendorp et al 2003) and simply for arm position (Baker et al 1999).…”

Section: Introductionmentioning

confidence: 99%

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Gaze influences finger movement-related and visual-related activation across the human brain

2008

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The brain uses gaze orientation to organize myriad spatial tasks including hand movements. However, the neural correlates of gaze signals and their interaction with brain systems for arm movement control remain unresolved. Many studies have shown that gaze orientation modifies neuronal spike discharge in monkeys and activation in humans related to reaching and finger movements in parietal and frontal areas. To continue earlier studies that addressed interaction of horizontal gaze and hand movements in humans (Baker et al. 1999), we assessed how horizontal and vertical gaze deviations modified finger-related activation, hypothesizing that areas throughout the brain would exhibit movement-related activation that depended on gaze angle. The results indicated finger movement-related activation related to combinations of horizontal, vertical, and diagonal gaze deviations. We extended our prior findings to observation of these gaze-dependent effects in visual cortex, parietal cortex, motor, supplementary motor area, putamen, and cerebellum. Most significantly, we found a modulation bias for increased activation toward rightward, upper-right and vertically upward gaze deviations. Our results indicate that gaze modulation of finger movement-related regions in the human brain is spatially organized and could subserve sensorimotor transformations.

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Section: Pure Gaze Effectssupporting

confidence: 92%

Section: Introductionmentioning

confidence: 99%

Gaze influences finger movement-related and visual-related activation across the human brain

2008

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“…As a result of the increase in general fMRI studies, there has also been an increase of studies investigating many aspects of the vision science. These studies include normal eye movements such as optokinetic nystagmus (OKN) (Bense et al, 2006a;Bucher et al, 1997;Dieterich et al, 1998;2003;Kashou et al, 2006;Kashou, 2008;Kashou et al, 2010;Konen et al, 2005;Petit & Haxby, 1999;Schraa-Tam et al, 2008), saccades (Berman et al, 1999;Bodis-Wollner et al, 1997;Connolly et al, 2005;Cornelissen et al, 2002;Darby et al, 1996;Ettinger et al, 2008;Haller et al, 2008;Hayakawa et al, 2002;Kimmig et al, 2001;Konen et al, 2004;Luna et al, 1998;Merriam et al, 2001;Miller et al, 2005;Mort et al, 2003;Müri et al, 1996;Petit et al, 1997;Rosano et al, 2002), smooth pursuit (Barton et al, 1996;Berman et al, 1999;Freitag et al, 1998;Ohlendorf et al, 2010;Petit et al, 1997;Petit & Haxby, 1999;Rosano et al, 2002;Tanabe et al, 2002), and gaze (Andersson et al, 2007;Deutschländer et al, 2005). There have also been studies that look at varying aspects of visual perception such as: effect of age …”

Section: Fmri Vision Science Studiesmentioning

confidence: 99%

Current Trends of fMRI in Vision Science: A Review

Kashou¹

2012

Functional Magnetic Resonance Imaging - Advanced Neuroimaging Applications

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“…As a result of the increase in general fMRI studies, there has also been an increase of studies investigating many aspects of the vision science. These studies include normal eye movements such as optokinetic nystagmus (OKN) (Bense et al, 2006a;Bucher et al, 1997;Dieterich et al, 1998;Kashou et al, 2006;Kashou, 2008;Kashou et al, 2010;Konen et al, 2005;Petit & Haxby, 1999;Schraa-Tam et al, 2008), saccades (Berman et al, 1999;Bodis-Wollner et al, 1997;Connolly et al, 2005;Cornelissen et al, 2002;Darby et al, 1996;Ettinger et al, 2008;Haller et al, 2008;Hayakawa et al, 2002;Kimmig et al, 2001;Konen et al, 2004;Luna et al, 1998;Merriam et al, 2001;Miller et al, 2005;Mort et al, 2003;Müri et al, 1996;Petit et al, 1997;Rosano et al, 2002), smooth pursuit (Barton et al, 1996;Berman et al, 1999;Freitag et al, 1998;Ohlendorf et al, 2010;Petit et al, 1997;Petit & Haxby, 1999;Rosano et al, 2002;Tanabe et al, 2002), and gaze (Andersson et al, 2007;Deutschländer et al, 2005). There have also been studies that look at varying aspects of visual perception such as: effect of age (Lewis et al, 2003;, retinotopic mapping (Conner et al, 2004;Engel & Furman...…”

Section: Fmri Vision Science Studiesmentioning

confidence: 99%

Functional Magnetic Resonance Imaging - Advanced Neuroimaging Applications

Sharma¹

2012

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A highly critical issue for applied neuroimaging in neurology-and particularly for functional neuroimaging-concerns the question of validity of the final clinical result. Within a clinical context , the question of "validity" often equals the question of "instantaneous repeatability, " because clinical functional neuroimaging is done within a specific pathophysiological framework. Here, not only every brain is different but also every pathology is different, and most importantly, individual pathological brains may rapidly change in short time. Within the brain mapping community, the problem of validity and repeatability of functional neuroimaging results has recently become a major issue. In 2016, the Committee on Best Practice in Data Analysis and Sharing from the Organization for Human Brain Mapping (OHBM) created recommendations for replicable research in neuroimaging, focused on magnetic resonance imaging and functional magnetic resonance imaging (fMRI). Here, "replication" is defined as "Independent researchers use independent data and … methods to arrive at the same original conclusion. " "Repeatability" is defined as repeated investigations performed "with the same method on identical test/measurement items in the same test or measuring facility by the same operator using the same equipment within short intervals of time" (ISO 3534-2:2006 3.3.5). An intermediate position between replication and repeatability is defined for "reproducibility": repeated investigations performed "with the same method on identical test/measurement items in different test or measurement facilities with different operators using different equipment" (ISO 3534-2:2006 3.3.10). Further definitions vary depending on the focus, be it the "measurement stability, " the "analytical stability, " or the "generaliz-ability" over subjects, labs, methods, or populations. The whole discussion was recently fueled by an PNAS article published by Eklund et al. (1), which claims that certain results achieved with widely used fMRI software packages may generate false-positive results, i.e., show brain activation where is none. More specifically, when looking at activation clusters defined by the software as being significant (clusterwise inference), the probability of a false-positive brain activation is not 5% but up to 70%. This was true for group as well as single subject data (2). The reason lies in an "imperfect" model assumption about the distribution of the spatial autocorrelation of functional signals over the brain. A squared exponential distribution was assumed but found not to be correct for the empirical data. This article received heavy attention and discussion in scientific and public media and a major Austrian newspaper titled "Doubts about thousands of brain research studies. " A recent PubMed analysis indicates already 69 publications citing the Eklund work. Critical comments by Cox et al. (3)-with focusing on the AFNI software results-criticize the authors for "their emphasis on reporting the single worst result from thousands of...

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Eye position‐dependent activity in the primary visual area as revealed by fMRI

Cited by 17 publications

References 47 publications

Gaze influences finger movement-related and visual-related activation across the human brain

Gaze influences finger movement-related and visual-related activation across the human brain

Current Trends of fMRI in Vision Science: A Review

Functional Magnetic Resonance Imaging - Advanced Neuroimaging Applications

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