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Artículos de revistas sobre el tema "Visual dorsal stream"

Autor: Grafiati

Publicado: 1 de febrero de 2025

Última modificación: 31 de julio de 2025

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1

Kaas, Jon H., and Mary K. L. Baldwin. "The Evolution of the Pulvinar Complex in Primates and Its Role in the Dorsal and Ventral Streams of Cortical Processing." Vision 4, no. 1 (2019): 3. http://dx.doi.org/10.3390/vision4010003.

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Current evidence supports the view that the visual pulvinar of primates consists of at least five nuclei, with two large nuclei, lateral pulvinar ventrolateral (PLvl) and central lateral nucleus of the inferior pulvinar (PIcl), contributing mainly to the ventral stream of cortical processing for perception, and three smaller nuclei, posterior nucleus of the inferior pulvinar (PIp), medial nucleus of the inferior pulvinar (PIm), and central medial nucleus of the inferior pulvinar (PIcm), projecting to dorsal stream visual areas for visually directed actions. In primates, both cortical streams a

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2

Bernardino, Inês, José Rebola, Reza Farivar, Eduardo Silva, and Miguel Castelo-Branco. "Functional Reorganization of the Visual Dorsal Stream as Probed by 3-D Visual Coherence in Williams Syndrome." Journal of Cognitive Neuroscience 26, no. 11 (2014): 2624–36. http://dx.doi.org/10.1162/jocn_a_00662.

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Object and depth perception from motion cues involves the recruitment of visual dorsal stream brain areas. In 3-D structure-from-motion (SFM) perception, motion and depth information are first extracted in this visual stream to allow object categorization, which is in turn mediated by the ventral visual stream. Such interplay justifies the use of SFM paradigms to understand dorsal–ventral integration of visual information. The nature of such processing is particularly interesting to be investigated in a neurological model of cognitive dissociation between dorsal (impaired) and ventral stream (

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3

Mitchell, Teresa V., and Helen J. Neville. "Asynchronies in the Development of Electrophysiological Responses to Motion and Color." Journal of Cognitive Neuroscience 16, no. 8 (2004): 1363–74. http://dx.doi.org/10.1162/0898929042304750.

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Recent reports have documented greater plasticity in the dorsal visual stream as compared with the ventral visual stream. This study sought to test the hypothesis that this greater plasticity may be related to a more protracted period of development in the dorsal as compared with the ventral stream. Age-related effects on event-related potentials (ERPs) elicited by motion and color stimuli, designed to activate the two visual streams, were assessed in healthy individuals aged 6 years through adulthood. Although significant developmental effects were observed in amplitudes of ERPs to both color

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4

Njemanze, Philip, Mathias Kranz, and Peter Brust. "Fourier Analysis of Cerebral Metabolism of Glucose: Gender Differences in Mechanisms of Color Processing in the Ventral and Dorsal Streams in Mice." Forecasting 1, no. 1 (2018): 135–56. http://dx.doi.org/10.3390/forecast1010010.

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Conventional imaging methods could not distinguish processes within the ventral and dorsal streams. The application of Fourier time series analysis was helpful to segregate changes in the ventral and dorsal streams of the visual system in male and female mice. The present study measured the accumulation of [18F]fluorodeoxyglucose ([18F]FDG) in the mouse brain using small animal positron emission tomography and magnetic resonance imaging (PET/MRI) during light stimulation with blue and yellow filters, compared to during conditions of darkness. Fourier analysis was performed using mean standardi

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5

Goodale, Mel. "Pointing the way to a unified theory of action and perception." Behavioral and Brain Sciences 20, no. 4 (1997): 749–50. http://dx.doi.org/10.1017/s0140525x9732161x.

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Deictic coding offers a useful model for understanding the interactions between the dorsal and ventral streams of visual processing in the cerebral cortex. By extending Ballard et al.'s ideas on teleassistance, I show how dedicated low-level visuomotor processes in the dorsal stream might be engaged for the services of high-level cognitive operations in the ventral stream.

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6

Zachariou, Valentinos, Roberta Klatzky, and Marlene Behrmann. "Ventral and Dorsal Visual Stream Contributions to the Perception of Object Shape and Object Location." Journal of Cognitive Neuroscience 26, no. 1 (2014): 189–209. http://dx.doi.org/10.1162/jocn_a_00475.

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Growing evidence suggests that the functional specialization of the two cortical visual pathways may not be as distinct as originally proposed. Here, we explore possible contributions of the dorsal “where/how” visual stream to shape perception and, conversely, contributions of the ventral “what” visual stream to location perception in human adults. Participants performed a shape detection task and a location detection task while undergoing fMRI. For shape detection, comparable BOLD activation in the ventral and dorsal visual streams was observed, and the magnitude of this activation was correl

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7

Kristensen, Stephanie, Frank E. Garcea, Bradford Z. Mahon, and Jorge Almeida. "Temporal Frequency Tuning Reveals Interactions between the Dorsal and Ventral Visual Streams." Journal of Cognitive Neuroscience 28, no. 9 (2016): 1295–302. http://dx.doi.org/10.1162/jocn_a_00969.

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Visual processing of complex objects is supported by the ventral visual pathway in the service of object identification and by the dorsal visual pathway in the service of object-directed reaching and grasping. Here, we address how these two streams interact during tool processing, by exploiting the known asymmetry in projections of subcortical magnocellular and parvocellular inputs to the dorsal and ventral streams. The ventral visual pathway receives both parvocellular and magnocellular input, whereas the dorsal visual pathway receives largely magnocellular input. We used fMRI to measure tool

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8

Cahill, Kyle, Timothy Jordan, and Mukesh Dhamala. "Connectivity in the Dorsal Visual Stream Is Enhanced in Action Video Game Players." Brain Sciences 14, no. 12 (2024): 1206. http://dx.doi.org/10.3390/brainsci14121206.

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Action video games foster competitive environments that demand rapid spatial navigation and decision-making. Action video gamers often exhibit faster response times and slightly improved accuracy in vision-based sensorimotor tasks. Background/Objectives: However, the underlying functional and structural changes in the two visual streams of the brain that may be contributing to these cognitive improvements have been unclear. Methods: Using functional and diffusion MRI data, this study investigated the differences in connectivity between gamers who play action video games and nongamers in the do

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9

Chen, Qi, Ralph Weidner, Peter H. Weiss, John C. Marshall, and Gereon R. Fink. "Neural Interaction between Spatial Domain and Spatial Reference Frame in Parietal–Occipital Junction." Journal of Cognitive Neuroscience 24, no. 11 (2012): 2223–36. http://dx.doi.org/10.1162/jocn_a_00260.

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On the basis of double dissociations in clinical symptoms of patients with unilateral visuospatial neglect, neuropsychological research distinguishes between different spatial domains (near vs. far) and different spatial reference frames (egocentric vs. allocentric). In this fMRI study, we investigated the neural interaction between spatial domains and spatial reference frames by constructing a virtual three-dimensional world and asking participants to perform either allocentric or egocentric judgments on an object located in either near or far space. Our results suggest that the parietal–occi

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10

Hirayama, Kazumi, and Katsuhiko Takeda. "What is the dorsal visual stream doing ?" Higher Brain Function Research 35, no. 2 (2015): 197–98. http://dx.doi.org/10.2496/hbfr.35.197.

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11

Madary, Michael. "The dorsal stream and the visual horizon." Phenomenology and the Cognitive Sciences 10, no. 4 (2011): 423–38. http://dx.doi.org/10.1007/s11097-011-9214-2.

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12

Dwivedi, Kshitij, Michael F. Bonner, Radoslaw Martin Cichy, and Gemma Roig. "Unveiling functions of the visual cortex using task-specific deep neural networks." PLOS Computational Biology 17, no. 8 (2021): e1009267. http://dx.doi.org/10.1371/journal.pcbi.1009267.

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The human visual cortex enables visual perception through a cascade of hierarchical computations in cortical regions with distinct functionalities. Here, we introduce an AI-driven approach to discover the functional mapping of the visual cortex. We related human brain responses to scene images measured with functional MRI (fMRI) systematically to a diverse set of deep neural networks (DNNs) optimized to perform different scene perception tasks. We found a structured mapping between DNN tasks and brain regions along the ventral and dorsal visual streams. Low-level visual tasks mapped onto early

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13

Ray, Dipanjan, Nilambari Hajare, Dipanjan Roy, and Arpan Banerjee. "Large-scale Functional Integration, Rather than Functional Dissociation along Dorsal and Ventral Streams, Underlies Visual Perception and Action." Journal of Cognitive Neuroscience 32, no. 5 (2020): 847–61. http://dx.doi.org/10.1162/jocn_a_01527.

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Visual dual-stream theory posits that two distinct neural pathways of specific functional significance originate from primary visual areas and reach the inferior temporal (ventral) and posterior parietal areas (dorsal). However, there are several unresolved questions concerning the fundamental aspects of this theory. For example, is the functional dissociation between ventral and dorsal stream driven by features in input stimuli or is it driven by categorical differences between visuoperceptual and visuomotor functions? Is the dual stream rigid or flexible? What is the nature of the interactio

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14

Goodale, Melvyn A. "Real action in a virtual world." Behavioral and Brain Sciences 24, no. 5 (2001): 984–85. http://dx.doi.org/10.1017/s0140525x01350112.

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O'Regan & Noë run into some difficulty in trying to reconcile their “seeing as acting” proposal with the perception and action account of the functions of the two streams of visual projections in the primate cerebral cortex. I suggest that part of the problem is their reluctance to acknowledge that the mechanisms in the ventral stream may play a more critical role in visual awareness and qualia than mechanisms in the dorsal stream.

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15

Himmelbach, Marc, and Hans-Otto Karnath. "Dorsal and Ventral Stream Interaction: Contributions from Optic Ataxia." Journal of Cognitive Neuroscience 17, no. 4 (2005): 632–40. http://dx.doi.org/10.1162/0898929053467514.

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In monkeys and humans, two functionally specialized cortical streams of visual processing emanating from V1 have been proposed: a dorsal, action-related system and a ventral, perception-related pathway. Traditionally, a separate organization of the two streams is assumed; the extent of functional interaction is unknown. After lesions of the dorsal stream in patients with optic ataxia, it has recently been shown that the ventral perception-related system might contribute to visuo-motor processing if movements rely on remembered target positions. The ventral pathway thus seemed to participate in

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16

Milner, A. D. "Is visual processing in the dorsal stream accessible to consciousness?" Proceedings of the Royal Society B: Biological Sciences 279, no. 1737 (2012): 2289–98. http://dx.doi.org/10.1098/rspb.2011.2663.

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There are two highly interconnected clusters of visually responsive areas in the primate cortex. These two clusters have relatively few interconnections with each other, though those interconnections are undoubtedly important. One of the two main clusters (the dorsal stream) links the primary visual cortex (V1) to superior regions of the occipito-parietal cortex, while the other (the ventral stream) links V1 to inferior regions of the occipito-temporal cortex. According to our current understanding of the functional anatomy of these two systems, the dorsal stream's principal role is to provide

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17

Chieffi, Sergio. "Dysfunction of Magnocellular/dorsal Processing Stream in Schizophrenia." Current Psychiatry Research and Reviews 15, no. 1 (2019): 26–36. http://dx.doi.org/10.2174/1573400515666190119163522.

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Background: Patients with schizophrenia show not only cognitive, but also perceptual deficits. Perceptual deficits may affect different sensory modalities. Among these, the impairment of visual information processing is of particular relevance as demonstrated by the high incidence of visual disturbances. In recent years, the study of neurophysiological mechanisms that underlie visuo-perceptual, -spatial and -motor disorders in schizophrenia has increasingly attracted the interest of researchers. Objective: The study aims to review the existent literature on magnocellular/dorsal (occipitopariet

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18

Jackson, Stephen R. "Is the visual dorsal stream really very visual after all?" Cognitive Neuroscience 1, no. 1 (2010): 68–69. http://dx.doi.org/10.1080/17588920903513177.

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19

Wokke, Martijn E., H. Steven Scholte, and Victor A. F. Lamme. "Opposing Dorsal/Ventral Stream Dynamics during Figure-ground Segregation." Journal of Cognitive Neuroscience 26, no. 2 (2014): 365–79. http://dx.doi.org/10.1162/jocn_a_00497.

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The visual system has been commonly subdivided into two segregated visual processing streams: The dorsal pathway processes mainly spatial information, and the ventral pathway specializes in object perception. Recent findings, however, indicate that different forms of interaction (cross-talk) exist between the dorsal and the ventral stream. Here, we used TMS and concurrent EEG recordings to explore these interactions between the dorsal and ventral stream during figure-ground segregation. In two separate experiments, we used repetitive TMS and single-pulse TMS to disrupt processing in the dorsal

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20

Mascheretti, Sara, Denis Peruzzo, Chiara Andreola, et al. "Selecting the Most Relevant Brain Regions to Classify Children with Developmental Dyslexia and Typical Readers by Using Complex Magnocellular Stimuli and Multiple Kernel Learning." Brain Sciences 11, no. 6 (2021): 722. http://dx.doi.org/10.3390/brainsci11060722.

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Increasing evidence supports the presence of deficits in the visual magnocellular (M) system in developmental dyslexia (DD). The M system is related to the fronto-parietal attentional network. Previous neuroimaging studies have revealed reduced/absent activation within the visual M pathway in DD, but they have failed to characterize the extensive brain network activated by M stimuli. We performed a multivariate pattern analysis on a Region of Interest (ROI) level to differentiate between children with DD and age-matched typical readers (TRs) by combining full-field sinusoidal gratings, control

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21

Pelekanos, Vassilis, Marieke Mur, and Katherine R. Storrs. "Extracting Object Identity: Ventral or Dorsal Visual Stream?" Journal of Neuroscience 36, no. 24 (2016): 6368–70. http://dx.doi.org/10.1523/jneurosci.1102-16.2016.

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22

Tankus, Ariel, and Itzhak Fried. "Visuomotor Coordination and Motor Representation by Human Temporal Lobe Neurons." Journal of Cognitive Neuroscience 24, no. 3 (2012): 600–610. http://dx.doi.org/10.1162/jocn_a_00160.

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The division of cortical visual processing into distinct dorsal and ventral streams is a key concept in primate neuroscience [Goodale, M. A., & Milner, A. D. Separate visual pathways for perception and action. Trends in Neurosciences, 15, 20–25, 1992; Steele, G., Weller, R., & Cusick, C. Cortical connections of the caudal subdivision of the dorsolateral area (V4) in monkeys. Journal of Comparative Neurology, 306, 495–520, 1991]. The ventral stream is usually characterized as a “What” pathway, whereas the dorsal stream is implied in mediating spatial perception (“Where”) and visually gu

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23

Thomas, Nicole A., Oliver Schneider, Carl Gutwin, and Lorin J. Elias. "Dorsal Stream Contributions to Perceptual Asymmetries." Journal of the International Neuropsychological Society 18, no. 2 (2011): 251–59. http://dx.doi.org/10.1017/s1355617711001585.

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AbstractNeurologically normal individuals show a bias toward the left side of space, referred to as pseudoneglect due to its similarity to clinical hemispatial neglect. The left bias appears to be stronger in the lower visual field during free-viewing, which could result from preferential dorsal stream processing. The current experiments used modified greyscales tasks, incorporating motion and isoluminant color, to explore whether targeting dorsal or ventral stream processing influenced the strength of the left bias. It was expected that the left bias would be stronger on the motion task than

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24

Rafal, Robert D. "Seeing without a Scene: Neurological Observations on the Origin and Function of the Dorsal Visual Stream." Journal of Intelligence 12, no. 5 (2024): 50. http://dx.doi.org/10.3390/jintelligence12050050.

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In all vertebrates, visual signals from each visual field project to the opposite midbrain tectum (called the superior colliculus in mammals). The tectum/colliculus computes visual salience to select targets for context-contingent visually guided behavior: a frog will orient toward a small, moving stimulus (insect prey) but away from a large, looming stimulus (a predator). In mammals, visual signals competing for behavioral salience are also transmitted to the visual cortex, where they are integrated with collicular signals and then projected via the dorsal visual stream to the parietal and fr

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25

Schmidt, Thomas. "The Finger in Flight: Real-Time Motor Control by Visually Masked Color Stimuli." Psychological Science 13, no. 2 (2002): 112–18. http://dx.doi.org/10.1111/1467-9280.00421.

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Current theories of dual visual systems suggest that color is processed in a ventral cortical stream that eventually gives rise to visual awareness but is only indirectly involved in visuomotor control mediated by the dorsal stream. If the dorsal stream is indeed less sensitive to color than the ventral stream, color stimuli blocked from awareness by visual masking should also be blocked from guiding fast motor responses. In this study, pointing movements to one of two isoluminant color targets were preceded by consistent or inconsistent color primes. Trajectories were strongly affected by pri

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26

BARRETT, ANNA M., J. BRENT CROSSON, GREGORY P. CRUCIAN, and KENNETH M. HEILMAN. "Horizontal line bisections in upper and lower body space." Journal of the International Neuropsychological Society 6, no. 4 (2000): 455–59. http://dx.doi.org/10.1017/s135561770064403x.

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Whereas the ventral cortical visual stream is important in object recognition, the dorsal stream is specialized for spatial localization. In humans there are also right and left hemisphere asymmetries in visual processing: the left hemisphere being more important in object recognition and the right in specifying spatial locations. Based on these dorsal–ventral and right–left where–what dichotomies, one would expect that the dorsal right hemisphere systems would be most activated during spatial localization tasks, and this activation may induce a leftward spatial bias in lower space. To determi

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27

Claeys, K. G. "Color Discrimination Involves Ventral and Dorsal Stream Visual Areas." Cerebral Cortex 14, no. 7 (2004): 803–22. http://dx.doi.org/10.1093/cercor/bhh040.

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28

Hesse, Constanze, Keira Ball, and Thomas Schenk. "Pointing in Visual Periphery: Is DF's Dorsal Stream Intact?" PLoS ONE 9, no. 3 (2014): e91420. http://dx.doi.org/10.1371/journal.pone.0091420.

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29

DUTTON, GORDON N. "‘Dorsal stream dysfunction’ and ‘dorsal stream dysfunction plus’: a potential classification for perceptual visual impairment in the context of cerebral visual impairment?" Developmental Medicine & Child Neurology 51, no. 3 (2009): 170–72. http://dx.doi.org/10.1111/j.1469-8749.2008.03257.x.

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30

Cooper, Sarah Anne, and Michael O'Sullivan. "Here, there and everywhere: higher visual function and the dorsal visual stream." Practical Neurology 16, no. 3 (2016): 176–83. http://dx.doi.org/10.1136/practneurol-2015-001168.

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31

McDowell, Nicola, and Gordon N. Dutton. "Hemianopia and Features of Bálint Syndrome following Occipital Lobe Hemorrhage: Identification and Patient Understanding Have Aided Functional Improvement Years after Onset." Case Reports in Ophthalmological Medicine 2019 (March 25, 2019): 1–7. http://dx.doi.org/10.1155/2019/3864572.

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Introduction. Cerebral visual impairment (CVI) can present around birth or any time thereafter. Homonymous hemianopia is a common feature. The concept that functional improvement is unattainable augurs against active management. Dorsal stream dysfunction (or Bálint syndrome when severe) results from bilateral posterior parietal dysfunction but may go undetected, especially in children. Case Presentation. At 16 the patient suffered spontaneous left occipital lobe brain hemorrhage from a ruptured arteriovenous malformation. This was surgically excised. Short lived right upper limb intermittent j

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32

Wu, Wayne. "Is Vision for Action Unconscious?" Journal of Philosophy 117, no. 8 (2020): 413–33. http://dx.doi.org/10.5840/jphil2020117826.

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Empirical work and philosophical analysis have led to widespread acceptance that vision for action, served by the cortical dorsal stream, is unconscious. I argue that the empirical argument for this claim is unsound. That argument relies on subjects’ introspective reports. Yet on biological grounds, in light of the theory of primate cortical vision, introspection has no access to dorsal stream mediated visual states. It is wrongly assumed that introspective reports speak to absent phenomenology in the dorsal stream. In light of this, I consider a different conception of consciousness’s relatio

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33

Mahon, Bradford Z., Nicholas Kumar, and Jorge Almeida. "Spatial Frequency Tuning Reveals Interactions between the Dorsal and Ventral Visual Systems." Journal of Cognitive Neuroscience 25, no. 6 (2013): 862–71. http://dx.doi.org/10.1162/jocn_a_00370.

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It is widely argued that the ability to recognize and identify manipulable objects depends on the retrieval and simulation of action-based information associated with using those objects. Evidence for that view comes from fMRI studies that have reported differential BOLD contrast in dorsal visual stream regions when participants view manipulable objects compared with a range of baseline categories. An alternative interpretation is that processes internal to the ventral visual pathway are sufficient to support the visual identification of manipulable objects and that the retrieval of object-ass

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34

Goodale, Melvyn A., and Jonathan S. Cant. "Coming to grips with vision and touch." Behavioral and Brain Sciences 30, no. 2 (2007): 209–10. http://dx.doi.org/10.1017/s0140525x07001483.

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AbstractDijkerman & de Haan (D&dH) propose a convincing model of somatosensory organization that is inspired by earlier perception-action models of the visual system. In this commentary, we suggest that the dorsal and ventral visual streams both contribute to the control of action, but in different ways. Using the example of grip and load force calibration, we show how the ventral stream can invoke stored information about the material properties of objects originally derived from the somatosensory system.

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35

Minini, Loredana, Andrew J. Parker, and Holly Bridge. "Neural Modulation by Binocular Disparity Greatest in Human Dorsal Visual Stream." Journal of Neurophysiology 104, no. 1 (2010): 169–78. http://dx.doi.org/10.1152/jn.00790.2009.

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Although cortical activation to binocular disparity can be demonstrated throughout occipital and parietal cortices, the relative contributions to depth perception made by different human cortical areas have not been established. To investigate whether different regions are optimized for specific disparity ranges, we have measured the responses of occipital and parietal areas to different magnitudes of binocular disparity. Using stimuli consisting of sinusoidal depth modulations, we measured cortical activation when the stimuli were located at pedestal disparities of 0, 0.1, 0.35, and 0.7° from

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36

Duffield, Stuart, and Jesse Gomez. "Dorsal stream receptive field development entails growing visual field coverage." Journal of Vision 21, no. 9 (2021): 2413. http://dx.doi.org/10.1167/jov.21.9.2413.

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37

Subramanian, Janani, and Carol L. Colby. "Shape selectivity and remapping in dorsal stream visual area LIP." Journal of Neurophysiology 111, no. 3 (2014): 613–27. http://dx.doi.org/10.1152/jn.00841.2011.

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We explore the visual world by making rapid eye movements (saccades) to focus on objects and locations of interest. Despite abrupt retinal image shifts, we see the world as stable. Remapping contributes to visual stability by updating the internal image with every saccade. Neurons in macaque lateral intraparietal cortex (LIP) and other brain areas update information about salient locations around the time of a saccade. The depth of information transfer remains to be thoroughly investigated. Area LIP, as part of the dorsal visual stream, is regarded as a spatially selective area, yet there is e

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38

Levy, Tamar, Vincent Walsh, and Michal Lavidor. "Dorsal stream modulation of visual word recognition in skilled readers." Vision Research 50, no. 9 (2010): 883–88. http://dx.doi.org/10.1016/j.visres.2010.02.019.

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39

Galletti, Claudio, and Patrizia Fattori. "The dorsal visual stream revisited: Stable circuits or dynamic pathways?" Cortex 98 (January 2018): 203–17. http://dx.doi.org/10.1016/j.cortex.2017.01.009.

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40

Hebart, M. N., and G. Hesselmann. "What Visual Information Is Processed in the Human Dorsal Stream?" Journal of Neuroscience 32, no. 24 (2012): 8107–9. http://dx.doi.org/10.1523/jneurosci.1462-12.2012.

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41

Alfieri, Paolo, Laura Cesarini, Paola De Rose, et al. "Visual processing in Noonan syndrome: Dorsal and ventral stream sensitivity." American Journal of Medical Genetics Part A 155, no. 10 (2011): 2459–64. http://dx.doi.org/10.1002/ajmg.a.34229.

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42

Fias, Wim, Patrick Dupont, Bert Reynvoet, and Guy A. Orban. "The Quantitative Nature of a Visual Task Differentiates between Ventral and Dorsal Stream." Journal of Cognitive Neuroscience 14, no. 4 (2002): 646–58. http://dx.doi.org/10.1162/08989290260045873.

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The aim of the present positron emission tomography (PET) study was to investigate how visual processing in dorsal and ventral streams depends on the quantitative nature of the task. In the same—different task, participants identified the presence of an orientation difference between two gratings, presented centrally in succession. In the quantification task, participants estimated the magnitude of the difference and compared it to a fixed standard. Detection of dimming of the fixation point was used as a control task. Visual input, motor responses, and performance were equated across tasks. S

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43

Yousefi, Bardia, and Chu Kiong Loo. "Comparative Study on Interaction of Form and Motion Processing Streams by Applying Two Different Classifiers in Mechanism for Recognition of Biological Movement." Scientific World Journal 2014 (2014): 1–12. http://dx.doi.org/10.1155/2014/723213.

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Research on psychophysics, neurophysiology, and functional imaging shows particular representation of biological movements which contains two pathways. The visual perception of biological movements formed through the visual system called dorsal and ventral processing streams. Ventral processing stream is associated with the form information extraction; on the other hand, dorsal processing stream provides motion information. Active basic model (ABM) as hierarchical representation of the human object had revealed novelty in form pathway due to applying Gabor based supervised object recognition m

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44

Braddick, Oliver, Janette Atkinson, Erik Newman, et al. "Global Visual Motion Sensitivity: Associations with Parietal Area and Children's Mathematical Cognition." Journal of Cognitive Neuroscience 28, no. 12 (2016): 1897–908. http://dx.doi.org/10.1162/jocn_a_01018.

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Sensitivity to global visual motion has been proposed as a signature of brain development, related to the dorsal rather than ventral cortical stream. Thresholds for global motion have been found to be elevated more than for global static form in many developmental disorders, leading to the idea of “dorsal stream vulnerability.” Here we explore the association of global motion thresholds with individual differences in children's brain development, in a group of typically developing 5- to 12-year-olds. Good performance was associated with a relative increase in parietal lobe surface area, most s

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Valyear, Kenneth F., and Jody C. Culham. "Observing Learned Object-specific Functional Grasps Preferentially Activates the Ventral Stream." Journal of Cognitive Neuroscience 22, no. 5 (2010): 970–84. http://dx.doi.org/10.1162/jocn.2009.21256.

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In one popular account of the human visual system, two streams are distinguished, a ventral stream specialized for perception and a dorsal stream specialized for action. The skillful use of familiar tools, however, is likely to involve the cooperation of both streams. Using functional magnetic resonance imaging, we scanned individuals while they viewed short movies of familiar tools being grasped in ways that were either consistent or inconsistent with how tools are typically grasped during use. Typical-for-use actions were predicted to preferentially activate parietal areas important for tool

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Elliott, Digby, Luc Tremblay, and Timothy N. Welsh. "A fast ventral stream or early dorsal-ventral interactions?" Behavioral and Brain Sciences 25, no. 1 (2002): 105. http://dx.doi.org/10.1017/s0140525x02310021.

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Several lines of evidence indicate that rapid target-aiming movements, involving both the eyes and hand, can be biased by the visual context in which the movements are performed. Some of these contextual influences carry-over from trial to trial. This research indicates that dissociation between the dorsal and ventral systems based on speed, conscious awareness, and frame of reference is far from clear.

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Christensen, B., J. King, and D. Westwood. "FC02-05 - Grasping behavior in schizophrenia suggests selective impairment in the dorsal visual pathway." European Psychiatry 26, S2 (2011): 1819. http://dx.doi.org/10.1016/s0924-9338(11)73523-4.

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IntroductionThis study frames anomalous functional brain organization among persons with Schizophrenia (SCZ) within an evolutionary model of brain development, the Dual Trends Theory (DTT). The DTT argues that neural architecture develops along two separate pathways: the dorsal’archicortical’ trend and the ventral’paleocortical’ trend. The DTT dovetails with visual system organization, which is also comprised of two independent pathways: a visuomotor dedicated dorsal stream and a perceptual dedicated ventral stream.ObjectivesThe present study examined the integrity of these pathways using a si

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Saur, Dorothee, Björn W. Kreher, Susanne Schnell, et al. "Ventral and dorsal pathways for language." Proceedings of the National Academy of Sciences 105, no. 46 (2008): 18035–40. http://dx.doi.org/10.1073/pnas.0805234105.

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Built on an analogy between the visual and auditory systems, the following dual stream model for language processing was suggested recently: a dorsal stream is involved in mapping sound to articulation, and a ventral stream in mapping sound to meaning. The goal of the study presented here was to test the neuroanatomical basis of this model. Combining functional magnetic resonance imaging (fMRI) with a novel diffusion tensor imaging (DTI)-based tractography method we were able to identify the most probable anatomical pathways connecting brain regions activated during two prototypical language t

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Hansen, Peter C., John F. Stein, Sam R. Orde, Jonathan L. Winter, and Joel B. Talcott. "Are dyslexics??? visual deficits limited to measures of dorsal stream function?" Neuroreport 12, no. 7 (2001): 1527–30. http://dx.doi.org/10.1097/00001756-200105250-00045.

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Almeida, Jorge, Bradford Z. Mahon, and Alfonso Caramazza. "The Role of the Dorsal Visual Processing Stream in Tool Identification." Psychological Science 21, no. 6 (2010): 772–78. http://dx.doi.org/10.1177/0956797610371343.

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