Representation of Head-Centric Flow in the Human Motion Complex

Goossens, Jeroen; Dukelow, Sean P.; Menon, Ravi S.; Vilis, Tutis; Berg, Albert van den

doi:10.1523/jneurosci.0730-06.2006

Cited by 45 publications

(47 citation statements)

References 68 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The latter can be constructed by combining visual signals and eye movement signals (5). Previous functional MRI (fMRI) research demonstrated a representation of head-centric motion signals within the human medial superior temporal (MST) region (14). This finding extended physiological (15) and fMRI work (16), which shows involvement of MST in the perception of self-motion.…”

mentioning

confidence: 67%

Adjacent visual representations of self-motion in different reference frames

Arnoldussen

Goossens²,

Berg³

2011

Proc. Natl. Acad. Sci. U.S.A.

View full text Add to dashboard Cite

Recent investigations indicate that retinal motion is not directly available for perception when moving around [Souman JL, et al. (2010) J Vis 10:14], possibly pointing to suppression of retinal speed sensitivity in motion areas. Here, we investigated the distribution of retinocentric and head-centric representations of selfrotation in human lower-tier visual motion areas. Functional MRI responses were measured to a set of visual self-motion stimuli with different levels of simulated gaze and simulated head rotation. A parametric generalized linear model analysis of the blood oxygen level-dependent responses revealed subregions of accessory V3 area, V6 + area, middle temporal area, and medial superior temporal area that were specifically modulated by the speed of the rotational flow relative to the eye and head. Pursuit signals, which link the two reference frames, were also identified in these areas. To our knowledge, these results are the first demonstration of multiple visual representations of self-motion in these areas. The existence of such adjacent representations points to early transformations of the reference frame for visual self-motion signals and a topography by visual reference frame in lower-order motion-sensitive areas. This suggests that visual decisions for action and perception may take into account retinal and head-centric motion signals according to task requirements.hen a child eyeballs the seeker while exposing as little as possible of its head from behind cover, it performs an exquisite piece of eye and head control. Such visually coordinated actions rely on fast and dynamic integration of selfmotion signals from different reference frames (1) to control the rotations of the head, the eye, and other body parts.Motion relative to the eye is directly given on the retina. In the monkey lower-tier visual areas, neurons respond vigorously to such retinal motion (2, 3). Motion relative to the head or other body parts must be derived from visual (4) and nonvisual (5) information on the eye's rotation (6). Many monkey cortical areas also contain neurons that take into account the eye's rotation when responding to visual motion (7-10). Remarkably, a number of recent psychophysical studies have concluded that retinal motion signals are not directly available for perception (11-13), in particular during self-motion (11), whereas headcentric motion signals are.This raises the interesting question how retinal and headcentric representations of visual motion are distributed across the lower-tier visual motion areas. If subjects cannot attend to retinal motion signals, it could indicate that retinal motion sensitivity gives way to head-centric motion signals in higher tier areas, such as the posterior parietal cortex (PPC). Alternatively, signals in both reference frames may be present up to higher visual areas, but not available for certain visual tasks or under certain movement conditions. We investigated if the visual system builds up visual representations of eye-in-space and head-in-space motion. T...

show abstract

mentioning

confidence: 67%

Adjacent visual representations of self-motion in different reference frames

Arnoldussen

Goossens²,

Berg³

2011

Proc. Natl. Acad. Sci. U.S.A.

View full text Add to dashboard Cite

show abstract

“…The parallel alpha-blocking pattern for the parietal midline IC cluster (Figure 3B) resembled those for occipital clusters (Figure 3C, Supplementary figures), consistent with the model of optic flow as activating the dorsal cuneus, which then distributes information to the dorsal parietal and occipito-temporal areas that process different aspects of visual flow (de Jong, Shipp, Skidmore, Frackowiak, & Zeki, 1994). Thus, although occipito-temporal alpha blocking (Figure 4B) may index the major role of MT+ in movement processing and estimation of momentary heading direction from visual flow (Wolbers et al, 2007; Goossens, Dukelow, Menon, Vilis, & van den Berg, 2006; Peuskens et al, 2001; Morrone et al, 2000; de Jong et al, 1994), superior parietal alpha blocking (Figure 3B) might reflect processing of upcoming path information to anticipate future heading changes (Field, Wilkie, & Wann, 2007). …”

Section: Discussionmentioning

confidence: 99%

Human Brain Dynamics Accompanying Use of Egocentric and Allocentric Reference Frames during Navigation

Gramann

Onton

Riccobon

et al. 2010

Journal of Cognitive Neuroscience

146

163

View full text Add to dashboard Cite

Maintaining spatial orientation while travelling requires integrating spatial information encountered from an egocentric viewpoint with accumulated information represented within egocentric and/or allocentric reference frames. Here, we report changes in high-density EEG activity during a virtual tunnel passage task in which subjects respond to a postnavigation homing challenge in distinctly different ways—either compatible with a continued experience of the virtual environment from a solely egocentric perspective or as if also maintaining their original entrance orientation, indicating use of a parallel allocentric reference frame. By spatially filtering the EEG data using independent component analysis, we found that these two equal subject subgroups exhibited differences in EEG power spectral modulation during tunnel passages in only a few cortical areas. During tunnel turns, stronger alpha blocking occurred only in or near right primary visual cortex of subjects whose homing responses were compatible with continued use of an egocentric reference frame. In contrast, approaching and during tunnel turns, subjects who responded in a way compatible with use of an allocentric reference frame exhibited stronger alpha blocking of occipito-temporal, bilateral inferior parietal, and retrosplenial cortical areas, all areas implicated by hemodynamic imaging and neuropsychological observation in construction and maintenance of an allocentric reference frame. We conclude that in these subjects, stronger activation of retrosplenial and related cortical areas during turns support a continuous translation of egocentrically experienced visual flow into an allocentric model of their virtual position and movement.

show abstract

“…(b) Physiological evidence for spatiotopicity in humans Functional magnetic resonance imaging has also indicated the existence of spatiotopic coding in human cortex, in lateral occipital area (LO) [26], an area involved in the analysis of objects, in VIP [27], a multi-sensory area and in MTþ [28]. We [29,30] have studied spatiotopicity of visual cortex by measuring blood oxygen level-dependent (BOLD) responses to random-dot motion stimuli presented to various positions while subjects maintained fixation at one of three different gaze directions (see inset to figure 2).…”

Section: Spatiotopicitymentioning

confidence: 99%

Spatiotopic coding and remapping in humans

Burr

Morrone

2011

Phil. Trans. R. Soc. B

116

View full text Add to dashboard Cite

How our perceptual experience of the world remains stable and continuous in the face of continuous rapid eye movements still remains a mystery. This review discusses some recent progress towards understanding the neural and psychophysical processes that accompany these eye movements. We firstly report recent evidence from imaging studies in humans showing that many brain regions are tuned in spatiotopic coordinates, but only for items that are actively attended. We then describe a series of experiments measuring the spatial and temporal phenomena that occur around the time of saccades, and discuss how these could be related to visual stability. Finally, we introduce the concept of the spatio-temporal receptive field to describe the local spatiotopicity exhibited by many neurons when the eyes move.

show abstract

Representation of Head-Centric Flow in the Human Motion Complex

Cited by 45 publications

References 68 publications

Adjacent visual representations of self-motion in different reference frames

Adjacent visual representations of self-motion in different reference frames

Human Brain Dynamics Accompanying Use of Egocentric and Allocentric Reference Frames during Navigation

Spatiotopic coding and remapping in humans

Contact Info

Product

Resources

About