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Journal articles on the topic 'Integration of visual stimulus characteristics'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Forget, Joachim, Marco Buiatti, and Stanislas Dehaene. "Temporal Integration in Visual Word Recognition." Journal of Cognitive Neuroscience 22, no. 5 (2010): 1054–68. http://dx.doi.org/10.1162/jocn.2009.21300.

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When two displays are presented in close temporal succession at the same location, how does the brain assign them to one versus two conscious percepts? We investigate this issue using a novel reading paradigm in which the odd and even letters of a string are presented alternatively at a variable rate. The results reveal a window of temporal integration during reading, with a nonlinear boundary around ∼80 msec of presentation duration. Below this limit, the oscillating stimulus is easily fused into a single percept, with all characteristics of normal reading. Above this limit, reading times are

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Dec, K., W. J. Waleszczyk, and B. A. Harutiunian-Kozak. "Summation for Stationary and Moving Visual Stimuli in Receptive Fields of Cat Pretectal Neurons." Perception 26, no. 1_suppl (1997): 123. http://dx.doi.org/10.1068/v970134.

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Numerous investigations have shown that the cat's pretectal region is involved in various visual habits and in visually guided behaviour. Thus visually driven pretectal neurons should possess summation abilities for integration of incoming sensory information. We investigated responses of 102 neurons in the pretectal region of cats with pretrigeminal brain stem transection using single-unit extracellular recording. Cells were examined with moving and stationary visual stimuli of different sizes. Our purpose was to compare summation characteristics for stationary and moving visual stimuli in th

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Perrault, Thomas J., J. William Vaughan, Barry E. Stein, and Mark T. Wallace. "Neuron-Specific Response Characteristics Predict the Magnitude of Multisensory Integration." Journal of Neurophysiology 90, no. 6 (2003): 4022–26. http://dx.doi.org/10.1152/jn.00494.2003.

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Multisensory neurons in the superior colliculus (SC) typically respond to combinations of stimuli from multiple modalities with enhancements and/or depressions in their activity. Although such changes in response have been shown to follow a predictive set of integrative principles, these principles fail to completely account for the full range of interactions seen throughout the SC population. In an effort to better define this variability, we sought to determine if there were additional features of the neuronal response profile that were predictive of the magnitude of the multisensory interac

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Nelson, Dwight E., and Joseph S. Takahashi. "Integration and saturation within the circadian photic entrainment pathway of hamsters." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 277, no. 5 (1999): R1351—R1361. http://dx.doi.org/10.1152/ajpregu.1999.277.5.r1351.

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The sensitivity of the visual pathway that subserves circadian entrainment was measured in hamsters after prior stimulation and using trains of multiple pulses. Immediately after subsaturating stimulation in the late subjective night, there was a significant decrease in responsiveness that persisted for at least 1 h. The reduced responsiveness was not due to light adaptation (shifting of the stimulus-response curve) but rather to response saturation, which appeared to reduce the sensitivity to subsequent stimulation and limit the maximum response of the pacemaker. The system, therefore, integr

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Meredith, M. A., and B. E. Stein. "Visual, auditory, and somatosensory convergence on cells in superior colliculus results in multisensory integration." Journal of Neurophysiology 56, no. 3 (1986): 640–62. http://dx.doi.org/10.1152/jn.1986.56.3.640.

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Convergence of inputs from different sensory modalities onto individual neurons is a phenomenon that occurs widely throughout the brain at many phyletic levels and appears to represent a basic neural mechanism by which an organism integrates complex environmental stimuli. In the present study, neurons in the superior colliculus (SC) were used as a model to examine how single neurons deal with simultaneous cues from different sensory modalities (e.g., visual, auditory, somatosensory). The functional result of multisensory convergence on an individual cell was determined by comparing the respons

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Merz, Simon, Christian Frings, and Charles Spence. "Tactile temporal offset cues reduce visual representational momentum." Attention, Perception, & Psychophysics 83, no. 5 (2021): 2113–22. http://dx.doi.org/10.3758/s13414-021-02285-2.

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AbstractThe perception of dynamic objects is sometimes biased. For example, localizing a moving object after it has disappeared results in a perceptual shift in the direction of motion, a bias known as representational momentum. We investigated whether the temporal characteristics of an irrelevant, spatially uninformative vibrotactile stimulus bias the perceived location of a visual target. In two visuotactile experiments, participants judged the final location of a dynamic, visual target. Simultaneously, a continuous (starting with the onset of the visual target, Experiments 1 and 2) or brief

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Butler, John S., Jennifer L. Campos, Heinrich H. Bülthoff, and Stuart T. Smith. "The Role of Stereo Vision in Visual–Vestibular Integration." Seeing and Perceiving 24, no. 5 (2011): 453–70. http://dx.doi.org/10.1163/187847511x588070.

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AbstractSelf-motion through an environment stimulates several sensory systems, including the visual system and the vestibular system. Recent work in heading estimation has demonstrated that visual and vestibular cues are typically integrated in a statistically optimal manner, consistent with Maximum Likelihood Estimation predictions. However, there has been some indication that cue integration may be affected by characteristics of the visual stimulus. Therefore, the current experiment evaluated whether presenting optic flow stimuli stereoscopically, or presenting both eyes with the same image

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Donato, Rita, Adriano Contillo, Gianluca Campana, Marco Roccato, Óscar F. Gonçalves, and Andrea Pavan. "Visual Perceptual Learning of Form–Motion Integration: Exploring the Involved Mechanisms with Transfer Effects and the Equivalent Noise Approach." Brain Sciences 14, no. 10 (2024): 997. http://dx.doi.org/10.3390/brainsci14100997.

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Background: Visual perceptual learning plays a crucial role in shaping our understanding of how the human brain integrates visual cues to construct coherent perceptual experiences. The visual system is continually challenged to integrate a multitude of visual cues, including form and motion, to create a unified representation of the surrounding visual scene. This process involves both the processing of local signals and their integration into a coherent global percept. Over the past several decades, researchers have explored the mechanisms underlying this integration, focusing on concepts such

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Iacoboni, Marco. "Word recognition in the split brain and PET studies of spatial stimulus-response compatibility support contextual integration." Behavioral and Brain Sciences 20, no. 4 (1997): 690–91. http://dx.doi.org/10.1017/s0140525x97301605.

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The neural substrates of context effects in word perception are still largely unclear. Interhemispheric priming phenomena in word recognition, typically observed in normal subjects, are absent in commissurotomized patients. This suggests that callosal fibers may provide contextual integration. In addition, certain characteristics of human frontal cortical fields subserving sensorimotor learning, as investigated by positron emission tomography, provide evidence for contextual integration not confined to the visual system. This supports the notion of common aspects of cortical computations in di

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Sürig, Ralf, Davide Bottari, and Brigitte Röder. "Transfer of Audio-Visual Temporal Training to Temporal and Spatial Audio-Visual Tasks." Multisensory Research 31, no. 6 (2018): 556–78. http://dx.doi.org/10.1163/22134808-00002611.

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Temporal and spatial characteristics of sensory inputs are fundamental to multisensory integration because they provide probabilistic information as to whether or not multiple sensory inputs belong to the same event. The multisensory temporal binding window defines the time range within which two stimuli of different sensory modalities are merged into one percept and has been shown to depend on training. The aim of the present study was to evaluate the role of the training procedure for improving multisensory temporal discrimination and to test for a possible transfer of training to other mult

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Wallace, M. T., L. K. Wilkinson, and B. E. Stein. "Representation and integration of multiple sensory inputs in primate superior colliculus." Journal of Neurophysiology 76, no. 2 (1996): 1246–66. http://dx.doi.org/10.1152/jn.1996.76.2.1246.

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1. The properties of visual-, auditory-, and somatosensory-responsive neurons, as well as of neurons responsive to multiple sensory cues (i.e., multisensory), were examined in the superior colliculus of the rhesus monkey. Although superficial layer neurons responded exclusively to visual stimuli and visual inputs predominated in deeper layers, there was also a rich nonvisual and multisensory representation in the superior colliculus. More than a quarter (27.8%) of the deep layer population responded to stimuli from more than a single sensory modality. In contrast, 37% responded only to visual

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Zhu, Yu, Bo Lei, Chunfeng Song, Wanli Ouyang, Shan Yu, and Tiejun Huang. "Multi-Modal Latent Variables for Cross-Individual Primary Visual Cortex Modeling and Analysis." Proceedings of the AAAI Conference on Artificial Intelligence 39, no. 1 (2025): 1228–36. https://doi.org/10.1609/aaai.v39i1.32111.

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Elucidating the functional mechanisms of the primary visual cortex (V1) remains a fundamental challenge in systems neuroscience. Current computational models face two critical limitations, namely the challenge of cross-modal integration between partial neural recordings and complex visual stimuli, and the inherent variability in neural characteristics across individuals, including differences in neuron populations and firing patterns. To address these challenges, we present a multi-modal identifiable variational autoencoder (miVAE) that employs a two-level disentanglement strategy to map neura

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Krapp, Holger G., and Fabrizio Gabbiani. "Spatial Distribution of Inputs and Local Receptive Field Properties of a Wide-Field, Looming Sensitive Neuron." Journal of Neurophysiology 93, no. 4 (2005): 2240–53. http://dx.doi.org/10.1152/jn.00965.2004.

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The lobula giant movement detector (LGMD) in the locust visual system and its target neuron, the descending contralateral movement detector (DCMD), respond to approaching objects looming on a collision course with the animal. They thus provide a good model to study the cellular and network mechanisms underlying the sensitivity to this specific class of behaviorally relevant stimuli. We determined over an entire locust eye the density distribution of optical axes describing the spatial organization of local inputs to the visual system and compared it with the sensitivity distribution of the LGM

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Fiez, J. A., M. E. Raichle, F. M. Miezin, S. E. Petersen, P. Tallal, and W. F. Katz. "PET Studies of Auditory and Phonological Processing: Effects of Stimulus Characteristics and Task Demands." Journal of Cognitive Neuroscience 7, no. 3 (1995): 357–75. http://dx.doi.org/10.1162/jocn.1995.7.3.357.

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Positron emission tomography (PET) was used to investigate the functional anatomy of auditory and phonological processing. Stimulus sets were designed to determine areas of the brain significantly activated during speech and nonspeech acoustic processing for stimuli with or without rapidly changing acoustic cues. Performance of auditory target detection tasks using these stimulus sets produced increased activation in superior temporal, frontal opercular, and medial frontal (SMA) cortices, relative to a visual fixation control task. While the medial frontal and superior temporal changes are bes

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Wilbiks, Jonathan M. P., and Courtney O’Brien. "Musical Training Improves Audiovisual Integration Capacity under Conditions of High Perceptual Load." Vision 4, no. 1 (2020): 9. http://dx.doi.org/10.3390/vision4010009.

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In considering capacity measures of audiovisual integration, it has become apparent that there is a wide degree of variation both within (based on unimodal and multimodal stimulus characteristics) and between participants. Recent work has discussed performance on a number of cognitive tasks that can form a regression model accounting for nearly a quarter of the variation in audiovisual integration capacity. The current study involves an investigation of whether different elements of musicality in participants can contribute to additional variation in capacity. Participants were presented with

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Spies, Marie, and Heribert Gierl. "Emotions Make Your Narratives Fly: The Effect of Strength of Emotions on the Effectiveness of Narrative Advertising." Marketing ZFP 44, no. 4 (2022): 22–54. http://dx.doi.org/10.15358/0344-1369-2022-4-22.

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In recent decades, a way to influence consumer decisions without providing arguments has gained attention: the use of emotional narratives in advertisements. Such narratives can be described by numerous abstract (e.g., realness of the plot) and concrete characteristics (e.g., length, happy or sad ending, degree of product integration in the story). We focus on an abstract characteristic that has gained no attention thus far: the emotionality of the narrative, i.e., the degree to which the narrative advertisement elicits emotions. We start by providing examples from such advertisements in pract

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Ishihara, Masami, and Kuniyasu Imanaka. "Motor Preparation of Manual Aiming at a Visual Target Manipulated in Size, Luminance Contrast, and Location." Perception 36, no. 9 (2007): 1375–90. http://dx.doi.org/10.1068/p5776.

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We conducted two experiments to investigate whether the motor preparation of manual aiming to a visual target is affected by either the physical characteristics (size or luminance contrast) or spatial characteristics (location) of the target. Reaction time (RT) of both finger lifting (ie stimulus-detection time) and manual aiming (ie movement-triggering time) to the onset of the target was measured. The difference of RT (DRT) between two tasks (ie the difference of task complexity) was examined to clarify the temporal characteristics of manual aiming per se during visuomotor integration. Resul

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Vigano, Gabriel J., Ryan T. Maloney, and Colin W. G. Clifford. "Probing the Characteristics of Colour–Motion Binding and Its Dependence on Persistent Surface Segregation." Perception 46, no. 9 (2017): 1027–47. http://dx.doi.org/10.1177/0301006617703130.

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Identifying the spatial and temporal characteristics of visual feature binding is a remaining challenge in the science of perception. Within the feature-binding literature, disparate findings have suggested the existence of more than one feature-binding mechanism with differing temporal resolutions. For example, one surprising result is that temporal alternations between two different feature pairings of colour and motion (e.g., orange dots moving left with blue dots moving right) support accurate conjunction discrimination at alternation frequencies of around 10 Hz and greater. However, at lo

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Ujike, H., and S. Saida. "Two Stages for Depth Integration of Motion Parallax." Perception 25, no. 1_suppl (1996): 163. http://dx.doi.org/10.1068/v96p0112.

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Motion parallax has been shown to be a principal cue for depth perception under monocular viewing. The simulated depth of stimuli in previous studies has been constant in both magnitude and direction. In the present study we addressed the question how the visual system detects parallactic depth change. To answer this we investigated the temporal characteristics of parallactic depth change and the effect of a motion signal on them. The stimulus consisted of four bands of 15-cycle sinusoidal gratings and parallactic depth was simulated between each band. In experiment 1, we measured the amount o

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Kasawala, Ekgari, and Surej Mouli. "Dual-Mode Visual System for Brain–Computer Interfaces: Integrating SSVEP and P300 Responses." Sensors 25, no. 6 (2025): 1802. https://doi.org/10.3390/s25061802.

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In brain–computer interface (BCI) systems, steady-state visual-evoked potentials (SSVEP) and P300 responses have achieved widespread implementation owing to their superior information transfer rates (ITR) and minimal training requirements. These neurophysiological signals have exhibited robust efficacy and versatility in external device control, demonstrating enhanced precision and scalability. However, conventional implementations predominantly utilise liquid crystal display (LCD)-based visual stimulation paradigms, which present limitations in practical deployment scenarios. This investigati

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Wu, Jie, and Long Jia. "Neural Network Model for Perceptual Evaluation of Product Modelling Design Based on Multimodal Image Recognition." Computational Intelligence and Neuroscience 2022 (August 9, 2022): 1–10. http://dx.doi.org/10.1155/2022/1665021.

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With the homogenization of product function and performance, the design technology for product appearance quality has been increasingly valued by academia and industry and has become an effective technical way to meet the continuously growing diversified and personalized needs of consumers. The appearance quality attribute of a product can be characterized or described by its appearance image. Data-driven product appearance image design is based on the quantitative data of product appearance and consumer emotional needs and completes the product appearance through computer-aided design technol

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ANTAL, A., J. BAUDEWIG, W. PAULUS, and P. DECHENT. "The posterior cingulate cortex and planum temporale/parietal operculum are activated by coherent visual motion." Visual Neuroscience 25, no. 1 (2008): 17–26. http://dx.doi.org/10.1017/s0952523808080024.

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The posterior cingulate cortex (PCC) is involved in higher order sensory and sensory-motor integration while the planum temporale/parietal operculum (PT/PO) junction takes part in auditory motion and vestibular processing. Both regions are activated during different types of visual stimulation. Here, we describe the response characteristics of the PCC and PT/PO to basic types of visual motion stimuli of different complexity (complex and simple coherent as well as incoherent motion). Functional magnetic resonance imaging (fMRI) was performed in 10 healthy subjects at 3 Tesla, whereby different

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Karellas, Antonia M., Paul Yielder, James J. Burkitt, Heather S. McCracken, and Bernadette A. Murphy. "The Influence of Subclinical Neck Pain on Neurophysiological and Behavioral Measures of Multisensory Integration." Brain Sciences 9, no. 12 (2019): 362. http://dx.doi.org/10.3390/brainsci9120362.

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Multisensory integration (MSI) is necessary for the efficient execution of many everyday tasks. Alterations in sensorimotor integration (SMI) have been observed in individuals with subclinical neck pain (SCNP). Altered audiovisual MSI has previously been demonstrated in this population using performance measures, such as reaction time. However, neurophysiological techniques have not been combined with performance measures in the SCNP population to determine differences in neural processing that may contribute to these behavioral characteristics. Electroencephalography (EEG) event-related poten

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Tabueva, A. O., A. I. Kotyusov, A. I. Kosachenko, S. A. Mironets, S. B. Malykh, and Y. V. Kuzmina. "Variability of the accuracy of approximate number sense and the congruency effect depending on the time of stimuli presentation." Sibirskiy Psikhologicheskiy Zhurnal, no. 91 (2024): 39–59. http://dx.doi.org/10.17223/17267080/91/3.

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Approximate number sense is the ability to evaluate quantitative information without using symbols. The system of nonsymbolic numerosity representation is associated with the evaluation of non-numerical visual characteristics; with the congruency effect reflects this relationship. The congruency effect is considered as the difference in accuracy between congruent items in which non-numerical visual parameters positively correlate with quantitative ones, and non-congruent tasks in non-symbolic comparison tests. The article discusses two main theories explaining the process of nonsymbolic numero

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Targher, Stefano, Rocco Micciolo, Valeria Occelli, and Massimiliano Zampini. "The Role of Temporal Disparity on Audiovisual Integration in Low-Vision Individuals." Perception 46, no. 12 (2017): 1356–70. http://dx.doi.org/10.1177/0301006617720124.

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Recent findings have shown that sounds improve visual detection in low vision individuals when the audiovisual stimuli pairs of stimuli are presented simultaneously and from the same spatial position. The present study purports to investigate the temporal aspects of the audiovisual enhancement effect previously reported. Low vision participants were asked to detect the presence of a visual stimulus (yes/no task) presented either alone or together with an auditory stimulus at different stimulus onset asynchronies (SOAs). In the first experiment, the sound was presented either simultaneously or

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Wickens, Christopher D., Lee Fracker, and Jayson Webb. "Cross-Modal Interference and Task Integration: Resources or Preemption Switching?" Proceedings of the Human Factors Society Annual Meeting 31, no. 6 (1987): 679–83. http://dx.doi.org/10.1177/154193128703100615.

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Data are reviewed from experiments that have contrasted intra-modal (visual-visual) information presentation with cross-modal (visual-auditory) presentation. Five different processing mechanisms that are operating in dual stimulus tasks are described, and it is concluded that in studies where visual scanning is not required, cross-modal effects are of two classes. When the visual task is continuous (tracking), a discrete auditory stimulus will preempt tracking performance relative to a discrete visual stimulus, leading to an effective shift in allocation bias. When both tasks are discrete, the

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Targher, Stefano, Valeria Occelli, and Massimiliano Zampini. "Temporal disparity effects on audiovisual integration in low vision individuals." Seeing and Perceiving 25 (2012): 175. http://dx.doi.org/10.1163/187847612x648044.

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Our recent findings have shown that sounds improve visual detection in low vision individuals when the audiovisual pairs are presented simultaneously. The present study purports to investigate possible temporal aspects of the audiovisual enhancement effect that we have previously reported. Low vision participants were asked to detect the presence of a visual stimulus (yes/no task) either presented in isolation or together with an auditory stimulus at different SOAs. In the first experiment, when the sound was always leading the visual stimuli, there was a significant visual detection enhanceme

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Fiorini, Linda, Marika Berchicci, Elena Mussini, Valentina Bianco, Stefania Lucia, and Francesco Di Russo. "Neural Basis of Anticipatory Multisensory Integration." Brain Sciences 11, no. 7 (2021): 843. http://dx.doi.org/10.3390/brainsci11070843.

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The brain is able to gather different sensory information to enhance salient event perception, thus yielding a unified perceptual experience of multisensory events. Multisensory integration has been widely studied, and the literature supports the hypothesis that it can occur across various stages of stimulus processing, including both bottom-up and top-down control. However, evidence on anticipatory multisensory integration occurring in the fore period preceding the presentation of the expected stimulus in passive tasks, is missing. By means of event-related potentials (ERPs), it has been rece

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Watanabe, Hiroshi, and Naoto Suzuki. "Visual Integration during Saccadic and Pursuit Eye Movements: The Importance of Spatial Framework." Perceptual and Motor Skills 77, no. 3_suppl (1993): 1219–34. http://dx.doi.org/10.2466/pms.1993.77.3f.1219.

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Three experiments were conducted to clarify the function of spatiotopic and retinotopic visual persistence during pursuit and saccadic eye movements. Exps. 1 and 2 both showed spatiotopic visual integration for both types of eye movements, although shorter stimulus onset asynchrony (SOA) was set in Exp. 2. Exp. 3 was conducted with special attention to the absence of target stimuli when masking stimuli were presented. Although duration of target stimuli and stimulus onset asynchrony in Exp. 3 were longer than those in the first two experiments, analysis contrastively showed retinotopic visual

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K. Aguirre, Geoffrey. "Variation in Temporal Stimulus Integration Across Visual Cortex." Journal of Vision 18, no. 10 (2018): 1371. http://dx.doi.org/10.1167/18.10.1371.

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Crane, Benjamin T. "Effect of eye position during human visual-vestibular integration of heading perception." Journal of Neurophysiology 118, no. 3 (2017): 1609–21. http://dx.doi.org/10.1152/jn.00037.2017.

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Visual and inertial stimuli provide heading discrimination cues. Integration of these multisensory stimuli has been demonstrated to depend on their relative reliability. However, the reference frame of visual stimuli is eye centered while inertia is head centered, and it remains unclear how these are reconciled with combined stimuli. Seven human subjects completed a heading discrimination task consisting of a 2-s translation with a peak velocity of 16 cm/s. Eye position was varied between 0° and ±25° left/right. Experiments were done with inertial motion, visual motion, or a combined visual-in

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Yakouma, Miguel A., Eric Anson, and Benjamin T. Crane. "Effect of inverted visual acceleration profile on vestibular heading perception." PLOS One 20, no. 5 (2025): e0323348. https://doi.org/10.1371/journal.pone.0323348.

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Visual motion is ambiguous in that it can either represent object motion or self-motion. Visual-vestibular integration is most advantageous during self-motion. The current experiment tests the hypothesis that the visual motion needs to have a motion profile consistent with the inertial motion. To test this, we examined the effect on heading perception when the visual stimulus was consistent with the inertial motion compared to an inverted visual stimulus, which was thus inconsistent with inertial motion. Twenty healthy human subjects (mean age 20 ± 3 years, 13 female) experienced 2s of transla

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Bolognini, Nadia, Fabrizio Leor, Claudia Passamonti, Barry E. Stein, and Elisabetta Làdavas. "Multisensory-Mediated Auditory Localization." Perception 36, no. 10 (2007): 1477–85. http://dx.doi.org/10.1068/p5846.

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Multisensory integration is a powerful mechanism for maximizing sensitivity to sensory events. We examined its effects on auditory localization in healthy human subjects. The specific objective was to test whether the relative intensity and location of a seemingly irrelevant visual stimulus would influence auditory localization in accordance with the inverse effectiveness and spatial rules of multisensory integration that have been developed from neurophysiological studies with animals [Stein and Meredith, 1993 The Merging of the Senses (Cambridge, MA: MIT Press)]. Subjects were asked to local

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Rodriguez, Raul, and Benjamin T. Crane. "Common causation and offset effects in human visual-inertial heading direction integration." Journal of Neurophysiology 123, no. 4 (2020): 1369–79. http://dx.doi.org/10.1152/jn.00019.2020.

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Movement direction can be determined from a combination of visual and inertial cues. Visual motion (optic flow) can represent self-motion through a fixed environment or environmental motion relative to an observer. Simultaneous visual and inertial heading cues present the question of whether the cues have a common cause (i.e., should be integrated) or whether they should be considered independent. This was studied in eight healthy human subjects who experienced 12 visual and inertial headings in the horizontal plane divided in 30° increments. The headings were estimated in two unisensory and s

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Tong, Jonathan, Lux Li, Patrick Bruns, and Brigitte Röder. "Crossmodal associations modulate multisensory spatial integration." Attention, Perception, & Psychophysics 82, no. 7 (2020): 3490–506. http://dx.doi.org/10.3758/s13414-020-02083-2.

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Abstract According to the Bayesian framework of multisensory integration, audiovisual stimuli associated with a stronger prior belief that they share a common cause (i.e., causal prior) are predicted to result in a greater degree of perceptual binding and therefore greater audiovisual integration. In the present psychophysical study, we systematically manipulated the causal prior while keeping sensory evidence constant. We paired auditory and visual stimuli during an association phase to be spatiotemporally either congruent or incongruent, with the goal of driving the causal prior in opposite

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Brincat, Scott L., and Gerald Westheimer. "Integration of Foveal Orientation Signals: Distinct Local and Long-Range Spatial Domains." Journal of Neurophysiology 83, no. 4 (2000): 1900–1911. http://dx.doi.org/10.1152/jn.2000.83.4.1900.

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Human observers can discriminate the orientation of a stimulus configuration composed of a pair of collinear visual patterns much better than that of a single component pattern alone. Previous investigations of this type of orientation signal integration and of other similar visual integrative functions have shown that, for closely spaced elements, there is integration only for stimuli with the same contrast polarity (i.e., both lighter or both darker than the background) but, at greater separations, integration is independent of contrast polarity. Is this effect specific to differences in con

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Chuang, Jason, Emily C. Ausloos, Courtney A. Schwebach, and Xin Huang. "Integration of motion energy from overlapping random background noise increases perceived speed of coherently moving stimuli." Journal of Neurophysiology 116, no. 6 (2016): 2765–76. http://dx.doi.org/10.1152/jn.01068.2015.

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The perception of visual motion can be profoundly influenced by visual context. To gain insight into how the visual system represents motion speed, we investigated how a background stimulus that did not move in a net direction influenced the perceived speed of a center stimulus. Visual stimuli were two overlapping random-dot patterns. The center stimulus moved coherently in a fixed direction, whereas the background stimulus moved randomly. We found that human subjects perceived the speed of the center stimulus to be significantly faster than its veridical speed when the background contained mo

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Li, Hung-Chung, and Pei-Li Sun. "Visual Characteristics of Afterimage under Dark Surround Conditions." Energies 14, no. 5 (2021): 1404. http://dx.doi.org/10.3390/en14051404.

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Three psycho-visual experiments were carried out to investigate visual afterimage characteristics of high luminance LEDs under dark surround conditions. The results show that the luminance of illumination, exposure time and background luminance are the primary factors influencing the afterimage’s duration, the color difference between stimulus and background, and visibility. Besides, visual afterimage characteristics are strongly correlated with the luminance contrast between the stimulus and the background, but not for the color difference with a white background. A third-order polynomial reg

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Visser, Troy A. W., and James T. Enns. "The Role of Attention in Temporal Integration." Perception 30, no. 2 (2001): 135–45. http://dx.doi.org/10.1068/p3089.

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When two visual patterns are presented in rapid succession, their contours may be combined into a single unified percept. This temporal integration is known to be influenced by such low-level visual factors as stimulus intensity, contour proximity, and stimulus duration. In this study we asked whether temporal integration is modulated by an attentional-blink procedure. The results from a localisation task in experiment 1 and a detection task in experiment 2 pointed to two separate effects. First, greater attentional availability increased the accuracy of spatial localisation. Second, it increa

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Churan, Jan, Johannes Paul, Steffen Klingenhoefer, and Frank Bremmer. "Integration of visual and tactile information in reproduction of traveled distance." Journal of Neurophysiology 118, no. 3 (2017): 1650–63. http://dx.doi.org/10.1152/jn.00342.2017.

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In the natural world, self-motion always stimulates several different sensory modalities. Here we investigated the interplay between a visual optic flow stimulus simulating self-motion and a tactile stimulus (air flow resulting from self-motion) while human observers were engaged in a distance reproduction task. We found that adding congruent tactile information (i.e., speed of the air flow and speed of visual motion are directly proportional) to the visual information significantly improves the precision of the actively reproduced distances. This improvement, however, was smaller than predict

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Dakos, Alexander S., Huai Jiang, Barry E. Stein, and Benjamin A. Rowland. "Using the Principles of Multisensory Integration to Reverse Hemianopia." Cerebral Cortex 30, no. 4 (2019): 2030–41. http://dx.doi.org/10.1093/cercor/bhz220.

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Abstract Hemianopia can be rehabilitated by an auditory-visual “training” procedure, which restores visual responsiveness in midbrain neurons indirectly compromised by the cortical lesion and reinstates vision in contralesional space. Presumably, these rehabilitative changes are induced via mechanisms of multisensory integration/plasticity. If so, the paradigm should fail if the stimulus configurations violate the spatiotemporal principles that govern these midbrain processes. To test this possibility, hemianopic cats were provided spatially or temporally noncongruent auditory-visual training.

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Asaoka, Riku, and Jiro Gyoba. "Sounds Modulate the Perceived Duration of Visual Stimuli via Crossmodal Integration." Multisensory Research 29, no. 4-5 (2016): 319–35. http://dx.doi.org/10.1163/22134808-00002518.

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Previous studies have shown that the perceived duration of visual stimuli can be strongly distorted by auditory stimuli presented simultaneously. In this study, we examine whether sounds presented separately from target visual stimuli alter the perceived duration of the target’s presentation. The participants’ task was to classify the duration of the target visual stimuli as perceived by them into four categories. Our results demonstrate that a sound presented before and after a visual target increases or decreases the perceived visual duration depending on the inter-stimulus interval between

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Rohlf, Sophie, Patrick Bruns, and Brigitte Röder. "The Effects of Cue Reliability on Crossmodal Recalibration in Adults and Children." Multisensory Research 34, no. 7 (2021): 743–61. http://dx.doi.org/10.1163/22134808-bja10053.

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Abstract Reliability-based cue combination is a hallmark of multisensory integration, while the role of cue reliability for crossmodal recalibration is less understood. The present study investigated whether visual cue reliability affects audiovisual recalibration in adults and children. Participants had to localize sounds, which were presented either alone or in combination with a spatially discrepant high- or low-reliability visual stimulus. In a previous study we had shown that the ventriloquist effect (indicating multisensory integration) was overall larger in the children groups and that

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Peterka, R. J. "Sensorimotor Integration in Human Postural Control." Journal of Neurophysiology 88, no. 3 (2002): 1097–118. http://dx.doi.org/10.1152/jn.2002.88.3.1097.

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It is generally accepted that human bipedal upright stance is achieved by feedback mechanisms that generate an appropriate corrective torque based on body-sway motion detected primarily by visual, vestibular, and proprioceptive sensory systems. Because orientation information from the various senses is not always available (eyes closed) or accurate (compliant support surface), the postural control system must somehow adjust to maintain stance in a wide variety of environmental conditions. This is the sensorimotor integration problem that we investigated by evoking anterior-posterior (AP) body

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Foreman, Nigel, and Alistair Fielder. "Intermodal Enhancement of Stimulus Localisation in Infants Born Prematurely." Perceptual and Motor Skills 69, no. 1 (1989): 43–50. http://dx.doi.org/10.2466/pms.1989.69.1.43.

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The interaction of auditory and visual modalities in the enhancement of orientation was examined in premature and near-term infants by presenting them auditory or visual stimuli or auditory-visual stimulus combinations at various positions in sensory space. In 4.5–15-mo.-olds, brisk orienting responses could be elicited to very peripheral stimulus positions but only when the stimulus consisted of a spatially coherent auditory-visual combination (i.e., where a sound and a light occurred at the same point in space). This occurred for all infants, irrespective of age or gestational age at birth.

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Vaiceliunaite, Agne, Sinem Erisken, Florian Franzen, Steffen Katzner, and Laura Busse. "Spatial integration in mouse primary visual cortex." Journal of Neurophysiology 110, no. 4 (2013): 964–72. http://dx.doi.org/10.1152/jn.00138.2013.

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Responses of many neurons in primary visual cortex (V1) are suppressed by stimuli exceeding the classical receptive field (RF), an important property that might underlie the computation of visual saliency. Traditionally, it has proven difficult to disentangle the underlying neural circuits, including feedforward, horizontal intracortical, and feedback connectivity. Since circuit-level analysis is particularly feasible in the mouse, we asked whether neural signatures of spatial integration in mouse V1 are similar to those of higher-order mammals and investigated the role of parvalbumin-expressi

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MAHONEY, JEANNETTE R., CUILING WANG, KRISTINA DUMAS, and ROEE HOLTZER. "Visual-somatosensory integration in aging: Does stimulus location really matter?" Visual Neuroscience 31, no. 3 (2014): 275–83. http://dx.doi.org/10.1017/s0952523814000078.

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AbstractIndividuals are constantly bombarded by sensory stimuli across multiple modalities that must be integrated efficiently. Multisensory integration (MSI) is said to be governed by stimulus properties including space, time, and magnitude. While there is a paucity of research detailing MSI in aging, we have demonstrated that older adults reveal the greatest reaction time (RT) benefit when presented with simultaneous visual-somatosensory (VS) stimuli. To our knowledge, the differential RT benefit of visual and somatosensory stimuli presented within and across spatial hemifields has not been

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Ren, Yanna, Zhihan Xu, Sa Lu, Tao Wang, and Weiping Yang. "Stimulus Specific to Age-Related Audio-Visual Integration in Discrimination Tasks." i-Perception 11, no. 6 (2020): 204166952097841. http://dx.doi.org/10.1177/2041669520978419.

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Age-related audio-visual integration (AVI) has been investigated extensively; however, AVI ability is either enhanced or reduced with ageing, and this matter is still controversial because of the lack of systematic investigations. To remove possible variates, 26 older adults and 26 younger adults were recruited to conduct meaningless and semantic audio-visual discrimination tasks to assess the ageing effect of AVI systematically. The results for the mean response times showed a significantly faster response to the audio-visual (AV) target than that to the auditory (A) or visual (V) target and

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Mamassian, Pascal. "Integration of visual confidence over time and across stimulus dimensions." Journal of Vision 17, no. 10 (2017): 2. http://dx.doi.org/10.1167/17.10.2.

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Gaul, David, Arimin Mat, Donal O’Shea, and Johann Issartel. "Impaired Visual Motor Coordination in Obese Adults." Journal of Obesity 2016 (2016): 1–8. http://dx.doi.org/10.1155/2016/6178575.

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Objective. To investigate whether obesity alters the sensory motor integration process and movement outcome during a visual rhythmic coordination task. Methods. 88 participants (44 obese and 44 matched control) sat on a chair equipped with a wrist pendulum oscillating in the sagittal plane. The task was to swing the pendulum in synchrony with a moving visual stimulus displayed on a screen. Results. Obese participants demonstrated significantly (p<0.01) higher values for continuous relative phase (CRP) indicating poorer level of coordination, increased movement variability (p<0.05), and a

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